# Home repair guides and costs

## What it costs

- [Water heater replacement cost: what the cost guides say](https://pros411.com/en/guides/plumbers/water-heater-replacement-cost): What a new water heater costs installed, tank vs tankless, labor, permits and repairs, with ranges from HomeAdvisor, HomeGuide, Fixr and This Old House.
- [Garage door spring replacement cost](https://pros411.com/en/guides/garage-door-repair/garage-door-spring-replacement-cost): What garage door spring replacement costs, torsion vs extension, cables and service calls, with ranges from HomeAdvisor, HomeGuide, Fixr and This Old House.
- [Roof replacement cost (and roof leak repair)](https://pros411.com/en/guides/roofers/roof-replacement-cost): What a new roof costs per square and by material, plus tear-off, permits and leak repair, with ranges from HomeAdvisor, HomeGuide, Fixr and This Old House.
- [AC repair cost: common repairs and when to replace](https://pros411.com/en/guides/hvac/ac-repair-cost): What common AC repairs cost: capacitor, refrigerant leak, fan motor, compressor and service calls, plus when to replace. Ranges by source, with dates.
- [New AC unit cost: central air and mini-splits](https://pros411.com/en/guides/hvac/new-ac-unit-cost): What a new central AC costs installed by size in tons, mini-split prices and what moves the price, with ranges from HomeAdvisor, HomeGuide, Fixr and Trane.
- [How much does a plumber cost?](https://pros411.com/en/guides/plumbers/plumber-cost): What plumbers charge per hour and per job: service calls, emergency rates, clogs, toilets, faucets and garbage disposals. Ranges by source, with dates.
- [Car AC repair cost: recharge, compressor, condenser](https://pros411.com/en/guides/mechanics/car-ac-repair-cost): What car AC repairs cost: recharge, compressor, condenser and blend door, and why newer cars cost more. Ranges from RepairPal, AAA, J.D. Power and more.
- [Brake repair cost: pads, rotors, calipers and fluid](https://pros411.com/en/guides/mechanics/brake-repair-cost): What brake jobs cost per axle: pads, pads and rotors, calipers and brake fluid. Ranges from AAA, CarParts.com, J.D. Power and RepairPal, with dates.

## What to do right now

- [Toilet clogged or overflowing: what to do right now](https://pros411.com/en/guides/plumbers/toilet-overflowing-or-clogged): Toilet clogged or overflowing? Stop the water in 10 seconds and unclog it the right way, step by step. If it is the sewer line, find a plumber near you.
- [Water heater leaking: what to do now](https://pros411.com/en/guides/plumbers/water-heater-leaking): Water heater leaking? Turn off the gas or power and the cold water, find where the leak comes from, and know when the tank needs replacing.
- [Frozen pipes: prevent them, thaw them, and what to do if one bursts](https://pros411.com/en/guides/plumbers/frozen-pipes): Frozen pipe and no water coming out? Thaw it safely with a hair dryer, never a flame, know what to do if it bursts, and keep it from happening again.
- [Clogged sink: how to unclog it without chemicals](https://pros411.com/en/guides/plumbers/clogged-sink-drain): Sink clogged and not draining? Clean the stopper, plunge it the right way and clear the P-trap, step by step. If it still backs up, find a plumber near you.
- [Shower head leaking or dripping: how to stop it](https://pros411.com/en/guides/plumbers/shower-head-leaking-or-dripping): Shower head dripping or leaking at the pipe? Seal the connection with thread tape in 15 minutes, step by step, and learn when the drip is the valve.
- [Toilet keeps running: how to fix it](https://pros411.com/en/guides/plumbers/toilet-keeps-running): Toilet keeps running? Lower the float, fix the chain or swap the flapper, step by step. If it still runs after that, find a plumber near you.
- [Toilet leaking at the base: what to do](https://pros411.com/en/guides/plumbers/toilet-leaking-at-base): Toilet leaking at the base? Find where the water comes from, snug the bolts and replace the wax ring if needed. Know when to call a plumber.
- [Toilet won't flush or flushes weakly: what to check](https://pros411.com/en/guides/plumbers/toilet-weak-flush): Toilet flushing weak or not all the way? Check the valve, the tank water level, the chain and the rim holes, step by step. Then call if it is the drain.
- [Toilet tank not filling or filling slowly: what to check](https://pros411.com/en/guides/plumbers/toilet-tank-not-filling): Toilet tank not filling, or filling slowly? Open the valve, free the float and rinse the fill valve, step by step. Still not filling? Call a plumber.
- [Toilet refills by itself (phantom flush): how to stop it](https://pros411.com/en/guides/plumbers/toilet-refills-by-itself): Toilet refills by itself every so often? Find the slow leak with food coloring and fix the flapper or the refill tube, step by step, before you call.
- [Toilet handle loose or not flushing: how to fix it](https://pros411.com/en/guides/plumbers/toilet-handle-loose): Toilet handle loose or not flushing? Hook the chain back and tighten the nut inside the tank in a few minutes. If the arm is broken, swap the handle.
- [Toilet rocks or feels loose: how to make it solid](https://pros411.com/en/guides/plumbers/toilet-rocking): Toilet rocks or feels loose when you sit? Snug the bolts, add shims and caulk the base the right way. If the floor feels soft, call a plumber.
- [Toilet tank sweating: condensation or a leak?](https://pros411.com/en/guides/plumbers/toilet-tank-sweating): Toilet tank sweating and dripping on the floor? Learn to tell condensation from a leak, and stop the drops by cutting the humidity in the bathroom.
- [Toilet gurgling or bubbling: what it means and what to do](https://pros411.com/en/guides/plumbers/toilet-gurgling): Toilet gurgling or bubbling? Plunge it the right way and learn the signs of a blocked vent or a main line clog. Find a plumber near you if it keeps going.
- [Sewer smell in the bathroom: where it comes from](https://pros411.com/en/guides/plumbers/sewer-smell-bathroom): Sewer smell in the bathroom? Refill dry drain traps, flush unused toilets and check the toilet seal, step by step. If it lingers, call a plumber.
- [Dripping faucet: how to stop a leaky faucet](https://pros411.com/en/guides/plumbers/leaky-faucet): Leaky faucet dripping all night? Shut off the water, swap the worn cartridge or washer and stop the drip. If the faucet body is worn, call a plumber.
- [Low water pressure in one faucet: clean the aerator](https://pros411.com/en/guides/plumbers/low-water-pressure-faucet): Low water pressure in just one faucet? The aerator at the tip is likely clogged. Unscrew it, soak it in vinegar and get a full stream back today.
- [Water leaking under the sink: find the drip and stop it](https://pros411.com/en/guides/plumbers/water-leaking-under-sink): Water leaking under the sink? Dry the cabinet, use paper towels to find the drip and tighten the right nut. If a pipe or valve is cracked, call a plumber.
- [Sink drain smells bad: how to get rid of the smell](https://pros411.com/en/guides/plumbers/smelly-sink-drain): Sink drain smells bad or like sewer? Refill the trap, clean the stopper and the overflow, and the smell goes away. If several drains smell, call a plumber.
- [Garbage disposal not working or jammed: how to fix it safely](https://pros411.com/en/guides/plumbers/garbage-disposal-not-working): Garbage disposal humming, jammed or dead? Cut the power, free it with an Allen wrench and press reset. Never put your hand in. Steps and when to call.
- [Garbage disposal leaking: where it leaks and what to do](https://pros411.com/en/guides/plumbers/garbage-disposal-leaking): Garbage disposal leaking under the sink? Find out if it drips from the top, side or bottom and fix what you can. A bottom leak means a new disposal.
- [Dishwasher not draining: check the filter and the drain hose](https://pros411.com/en/guides/plumbers/dishwasher-not-draining): Dishwasher not draining and full of dirty water? Clean the filter, check the drain hose and the disposal, then run a rinse. Steps and when to call a pro.
- [Kitchen faucet loose or wobbly: how to tighten it](https://pros411.com/en/guides/plumbers/kitchen-faucet-loose): Kitchen faucet loose or wobbly? Snug the mounting nut under the sink with a basin wrench in about 20 minutes. If water leaks at the base, call a plumber.
- [No water coming out of the faucet: what to check](https://pros411.com/en/guides/plumbers/no-water-from-faucet): No water coming out of the faucet? Check other faucets, the shut-off valves and the aerator. If the whole house is dry, check the main valve.
- [Outdoor faucet (hose bib) leaking: how to stop it](https://pros411.com/en/guides/plumbers/outdoor-faucet-leaking): Outdoor faucet leaking at the hose, the handle or the spout? Swap a washer or snug the packing nut. If it leaks inside the wall, call a plumber near you.
- [No hot water: what to check first](https://pros411.com/en/guides/plumbers/no-hot-water): No hot water? Check the pilot light, the breaker and the temperature dial safely, step by step, and know when to call a plumber near you.
- [Water heater pilot light keeps going out: what to do](https://pros411.com/en/guides/plumbers/water-heater-pilot-light-out): Water heater pilot light keeps going out? Relight it safely, step by step, find out why it will not stay lit and when to call a plumber.
- [Water heater making popping or rumbling noises: what to do](https://pros411.com/en/guides/plumbers/water-heater-popping-noise): Water heater popping or rumbling? It is usually sediment in the tank. Learn how to flush it safely, step by step, and when to call a plumber.
- [Hot water smells like rotten eggs: why and how to fix it](https://pros411.com/en/guides/plumbers/hot-water-rotten-egg-smell): Hot water smells like rotten eggs? Find out if it is the water heater, what the anode rod has to do with it, and when to call a plumber.
- [Water heater relief valve leaking or dripping: what to do](https://pros411.com/en/guides/plumbers/water-heater-relief-valve-leaking): Water heater relief valve leaking or dripping? Learn what it means, why you must never cap it, what to check safely and when to call a plumber.
- [Hot water runs out too fast: what to check](https://pros411.com/en/guides/plumbers/hot-water-runs-out-fast): Hot water runs out too fast? Check the dial, the sediment and how you use it, step by step, and learn when a broken dip tube needs a plumber.
- [Shower or bathtub drain clogged: how to clear it](https://pros411.com/en/guides/plumbers/shower-drain-clogged): Shower or bathtub drain clogged? Pull out the hair with a plastic drain snake, use a plunger the right way, and know when to call a plumber.
- [Bathtub faucet dripping: how to stop it](https://pros411.com/en/guides/plumbers/bathtub-faucet-dripping): Bathtub faucet dripping? Find the worn cartridge or washer, replace it step by step with the water off, and know when a plumber is faster.
- [Low water pressure in the shower: how to fix it](https://pros411.com/en/guides/plumbers/low-water-pressure-shower): Low water pressure in the shower? Clean the mineral buildup from the shower head with vinegar, check the valve, and know when to call a plumber.
- [Shower handle loose or hard to turn: how to fix it](https://pros411.com/en/guides/plumbers/shower-handle-loose): Shower handle loose or hard to turn? Tighten the hidden set screw, grease a stiff cartridge the right way, and know when to call a plumber.
- [Burst pipe: what to do right now](https://pros411.com/en/guides/plumbers/burst-pipe): Burst pipe spraying water? Shut off the main valve, drain the lines and limit the damage, step by step. Then find an emergency plumber near you.
- [How to shut off the water to your house](https://pros411.com/en/guides/plumbers/how-to-shut-off-water-to-house): Need to shut off the water to your house? Find the main valve, turn it the right way and know what to do if it is stuck or missing. Step by step.
- [Pipes banging when you turn off the water: how to stop water hammer](https://pros411.com/en/guides/plumbers/pipes-banging-water-hammer): Pipes banging when you turn off the water? Check the pressure, refill the air chambers, strap loose pipes and add an arrestor, step by step.
- [High water bill: how to find a hidden leak with the meter test](https://pros411.com/en/guides/plumbers/hidden-water-leak-high-bill): High water bill and no idea why? Do the water meter test in 30 minutes to see if you have a hidden leak and whether it is inside or in the yard.
- [Sewage backing up into a tub or floor drain: what to do](https://pros411.com/en/guides/plumbers/sewage-backing-up): Sewage backing up into your tub or floor drain? Stop using water, keep everyone away and call a plumber now. Here is what to do while you wait.
- [Several drains clogged at once: the main sewer line](https://pros411.com/en/guides/plumbers/main-sewer-line-clog): Several drains clogged at once? It is likely the main sewer line. Learn the signs, what to do now and what the plumber will do to clear it.
- [Sump pump not working: what to check](https://pros411.com/en/guides/plumbers/sump-pump-not-working): Sump pump not working and the pit is filling up? Check the power, the float and the discharge line, test it with a bucket and know when to call.
- [Slab leak signs: warm floor spots and the sound of running water](https://pros411.com/en/guides/plumbers/slab-leak-signs): Warm spot on the floor or water running with everything off? Learn the signs of a slab leak, how to check the meter and who to call to find it.
- [Water coming through the ceiling from upstairs: what to do](https://pros411.com/en/guides/plumbers/water-coming-through-ceiling): Water coming through the ceiling from upstairs? Shut off the water, cut the power to nearby lights from a dry spot and catch the drip. Step by step.
- [Water stain on the wall: is a pipe leaking behind it?](https://pros411.com/en/guides/plumbers/pipe-leak-in-wall): Water stain on the wall that keeps growing? Check if it is a pipe with the meter test and a moisture meter, and know when to call a plumber.
- [AC not cooling: what to check before you call](https://pros411.com/en/guides/hvac/ac-not-cooling): AC not cooling? Check the thermostat, filter, breakers and outdoor unit safely, step by step. If it still blows warm air, find an AC technician near you.
- [Carbon monoxide alarm going off: get out, then call](https://pros411.com/en/guides/hvac/carbon-monoxide-alarm-going-off): Carbon monoxide alarm going off? Get everyone out, call 911 from fresh air and stay out until it is safe. Then have a heating technician find the source.
- [AC frozen: ice on the lines or the coil, what to do](https://pros411.com/en/guides/hvac/ac-frozen): AC frozen, with ice on the lines or the coil? Set it to Off with the fan On, change the filter and let it thaw. If the ice comes back, call a technician.
- [AC leaking water inside the house: clear the drain line](https://pros411.com/en/guides/hvac/ac-leaking-water-inside): AC leaking water inside the house? Turn it off, soak up the water and clear the condensate drain line with a wet/dry vac. Still leaking? Call a technician.
- [AC won't turn on: what to check first](https://pros411.com/en/guides/hvac/ac-wont-turn-on): AC won't turn on? Check the thermostat batteries and settings, the AC breaker and the outdoor disconnect. Still nothing? Find an AC technician near you.
- [AC turns on and off every few minutes: how to stop short cycling](https://pros411.com/en/guides/hvac/ac-short-cycling): AC turning on and off every few minutes? Replace the filter, keep vent air off the thermostat and clean the outdoor unit. Still cycling? Call a pro.
- [AC making loud noises: buzzing, banging, squealing](https://pros411.com/en/guides/hvac/ac-making-noise): AC making a loud buzzing, banging or squealing noise? Learn what each sound means, what you can check safely and when to turn it off and call a technician.
- [Outside AC fan not spinning: what to check safely](https://pros411.com/en/guides/hvac/ac-outdoor-fan-not-spinning): Outside AC fan not spinning? Turn it off to protect the compressor, check the thermostat, breaker and disconnect, and leave the capacitor to a technician.
- [AC keeps tripping the breaker: what to do](https://pros411.com/en/guides/hvac/ac-tripping-breaker): AC keeps tripping the breaker? Reset it safely once, replace the filter and clean the outdoor unit. If it trips again, leave it off and call a technician.
- [How to clean your outdoor AC unit safely](https://pros411.com/en/guides/hvac/how-to-clean-ac-condenser): Outdoor AC unit dirty or full of leaves? Turn off the power at the disconnect, clear around it and rinse the fins with a gentle hose, no pressure washer.
- [How to change your air filter (and how often)](https://pros411.com/en/guides/hvac/how-to-change-air-filter): How do you change an air filter? Read the size on the old one, point the arrow toward the unit and slide it in. Plus how often to do it and when to call.
- [AC smells musty or like something burning: what to do](https://pros411.com/en/guides/hvac/ac-smells-musty-or-burning): AC smells musty or like something burning? A burning smell means turn it off and call. For a musty smell, check the filter and the drain line first.
- [Upstairs too hot: how to even out the cooling](https://pros411.com/en/guides/hvac/upstairs-too-hot): Upstairs too hot while downstairs is cold? Close the blinds, adjust the vents, run the fan and check the filter. If the gap stays big, a pro can help.
- [Weak airflow from the vents: what to check](https://pros411.com/en/guides/hvac/weak-airflow-from-vents): Weak airflow from the vents? Replace the filter, open and clear the vents and returns, and look for ice. If the air is still weak, call an HVAC technician.
- [House feels humid even with the AC on: what to do](https://pros411.com/en/guides/hvac/house-too-humid): House feels humid even with the AC on? Set the fan to Auto, replace the filter and check the drain. Aim for 30 to 50% humidity, or call a technician.
- [Window AC not cooling: what to check](https://pros411.com/en/guides/hvac/window-ac-not-cooling): Window AC not cooling? Check the mode, wash the filter, seal the gaps and press Reset on the plug. Ice on the coil or a buzz? Here is when to call.
- [Mini split not cooling or blinking: what to do](https://pros411.com/en/guides/hvac/mini-split-not-cooling): Mini split not cooling or blinking? Write down the blink code, check the remote mode, rinse the filters and reset the power. If it keeps blinking, call.
- [Vents whistling or ducts making noise: how to quiet them](https://pros411.com/en/guides/hvac/whistling-vents): Vents whistling or ducts making noise? Open the vents, replace the filter and tighten loose covers. If the ducts bang or the whistle stays, call a pro.
- [Furnace won't turn on: what to check first](https://pros411.com/en/guides/hvac/furnace-wont-turn-on): Furnace won't turn on? Check the thermostat, the furnace switch, the breaker and the filter safely, step by step. Still nothing? Find a heating technician.
- [Furnace blowing cold air: how to fix it](https://pros411.com/en/guides/hvac/furnace-blowing-cold-air): Furnace blowing cold air? Check the thermostat fan setting, the filter and the furnace switch in 15 minutes. Air still cold? Find a heating technician.
- [Heat pump blowing cold air in winter: what to check](https://pros411.com/en/guides/hvac/heat-pump-blowing-cold-air): Heat pump blowing cold air? See what the defrost cycle looks like, check the thermostat, the filter and the snow around the unit, and know when to call.
- [Heat pump covered in ice: what to do](https://pros411.com/en/guides/hvac/heat-pump-frozen): Heat pump covered in ice? Learn which frost is normal, clear the snow safely, and know when to switch to emergency heat and call a heating technician.
- [Thermostat blank or not working: what to check](https://pros411.com/en/guides/hvac/thermostat-blank): Thermostat screen blank or not working? Replace the batteries, check the furnace switch and the breaker step by step. Still dark? Find an HVAC technician.
- [Thermostat reading the wrong temperature: how to fix it](https://pros411.com/en/guides/hvac/thermostat-wrong-temperature): Thermostat reading the wrong temperature? Move heat sources away, compare it with a thermometer and fix the setting, step by step. Know when to call a pro.
- [Furnace making noise: banging, squealing or rattling](https://pros411.com/en/guides/hvac/furnace-making-noise): Furnace making noise? Find out which sounds are normal, which ones a new filter fixes, and when to turn the furnace off and call a heating technician.
- [Furnace turns on and off too often: how to fix short cycling](https://pros411.com/en/guides/hvac/furnace-short-cycling): Furnace turning on and off too often? Replace the filter, open the vents and check the thermostat. If it keeps short cycling, call a heating technician.
- [Gas smell near the furnace: what to do](https://pros411.com/en/guides/hvac/gas-smell-near-furnace): Smell gas near your furnace? Do not touch any switch, get everyone out and call 911 or your gas company from outside. Here is what to do, step by step.
- [One room colder than the rest of the house: what to check](https://pros411.com/en/guides/hvac/one-room-colder): One room colder than the rest of the house? Open and clear the vent, keep the door open, stop drafts and check the filter. Know when to call a technician.
- [Breaker keeps tripping: what it means and what to do](https://pros411.com/en/guides/electricians/breaker-keeps-tripping): Breaker keeps tripping? Unplug the big stuff, reset it safely once and find the culprit. If it trips with nothing on, call an electrician near you.
- [Lights flickering in the house: when it is the bulb and when it is the wiring](https://pros411.com/en/guides/electricians/lights-flickering-in-house): Lights flickering in your house? Tighten or swap the bulb and check the dimmer. If many lights flicker at once, find an electrician near you.
- [Outlet not working: what to check before you call](https://pros411.com/en/guides/electricians/outlet-not-working): Outlet not working? Test it with a lamp, flip the wall switch, reset the GFCI and the breaker safely. Still dead or warm? Find an electrician near you.
- [GFCI outlet won't reset: why and what to do](https://pros411.com/en/guides/electricians/gfci-outlet-wont-reset): GFCI outlet won't reset? Unplug everything, check the breaker and press Reset the right way. Trips with nothing plugged in? Find an electrician near you.
- [Burning smell from an outlet or switch: what to do now](https://pros411.com/en/guides/electricians/burning-smell-from-outlet): Burning smell from an outlet or switch? Get out if there is smoke, turn off the breaker and unplug safely. Then find an electrician near you today.
- [Outlet sparks when you plug something in: normal or not?](https://pros411.com/en/guides/electricians/outlet-sparks-when-plugging-in): Outlet sparks when you plug something in? Learn when a tiny spark is normal, what to do about a big one and when to find an electrician near you.
- [Plugs fall out of the outlet: why it happens and what to do](https://pros411.com/en/guides/electricians/plugs-fall-out-of-outlet): Plugs fall out of the outlet? Find out if the outlet or the plug is worn, why a loose fit can heat up, and when to find an electrician near you.
- [Light switch not working: what to check first](https://pros411.com/en/guides/electricians/light-switch-not-working): Light switch not working? Check the bulb, the other switch and the breaker, step by step. If the switch is warm or crackles, find an electrician near you.
- [Dimmer switch buzzing or hot: what is normal and what to do](https://pros411.com/en/guides/electricians/dimmer-switch-buzzing-or-hot): Dimmer switch buzzing or hot? Learn when a soft hum is normal, how dimmable bulbs fix it and when a hot dimmer means calling an electrician near you.
- [Got a shock from an outlet or appliance: what to do now](https://pros411.com/en/guides/electricians/electric-shock-from-outlet): Got a shock from an outlet or appliance? Know when to call 911, how to cut the power and unplug safely, and why you need an electrician near you.
- [Outdoor outlet not working: how to get it back on](https://pros411.com/en/guides/electricians/outdoor-outlet-not-working): Outdoor outlet not working? Find the GFCI that protects it, let it dry if it got wet and reset it safely. Trips every rain? Find an electrician near you.
- [Power out in part of the house: what to check](https://pros411.com/en/guides/electricians/power-out-in-part-of-house): Power out in part of the house? Reset the tripped breaker and the GFCI outlets safely, step by step. Nothing tripped? Find an electrician near you.
- [Power out in the whole house: what to check](https://pros411.com/en/guides/electricians/power-out-in-whole-house): Power out in the whole house? Check the neighbors, report the outage, reset the main breaker and stay away from downed lines. Then call if it stays dark.
- [Breaker won't reset: why and what to do](https://pros411.com/en/guides/electricians/breaker-wont-reset): Breaker won't reset or stay on? Unplug everything, push it fully to OFF first, then ON. Still trips with nothing on? Find an electrician near you.
- [Electrical panel buzzing: what to do right now](https://pros411.com/en/guides/electricians/electrical-panel-buzzing): Electrical panel buzzing, hot or smelling burnt? Do not touch it. Here is what to do now, when to call 911 and how to find an electrician near you.
- [Light bulbs keep burning out: why and how to fix it](https://pros411.com/en/guides/electricians/light-bulbs-keep-burning-out): Light bulbs keep burning out? Check the max wattage, use the right LED and screw it in snug. Burning out all over the house? Find an electrician near you.
- [Smoke detector chirping: how to make it stop](https://pros411.com/en/guides/electricians/smoke-detector-chirping): Smoke detector chirping every minute? Find which one, change the battery, reset it and check its age. Hardwired and still chirping? Find an electrician.
- [Ceiling fan wobbling: how to balance it](https://pros411.com/en/guides/electricians/ceiling-fan-wobbling): Ceiling fan wobbling? Tighten the blade screws, check each blade and balance it with a clip kit, step by step. Loose mount? Find an electrician near you.
- [Ceiling fan not working: what to check](https://pros411.com/en/guides/electricians/ceiling-fan-not-working): Ceiling fan not working? Check the wall switch, pull chain, direction switch, remote and breaker. Hums but won't spin? Find an electrician near you.
- [Using a generator safely in a power outage](https://pros411.com/en/guides/electricians/generator-safety-power-outage): Using a generator in a power outage? Keep it outside, far from doors and windows, and never plug it into a wall outlet. Wiring it in? Find an electrician.
- [Doorbell not working: what to check](https://pros411.com/en/guides/electricians/doorbell-not-working): Doorbell not working? Check the button, change the batteries, charge a video doorbell and reset its breaker. Still silent? Find an electrician near you.
- [Garage door spring broke: don’t touch it](https://pros411.com/en/guides/garage-door-repair/garage-door-spring-broke): Garage door spring broke? Don’t lift the door or use the opener. Keep everyone clear and call a garage door company near you to replace it safely.
- [Garage door won’t close: check the safety sensors](https://pros411.com/en/guides/garage-door-repair/garage-door-wont-close): Garage door won’t close and the opener light blinks? Clear, clean and line up the safety sensors in 10 minutes, and know when to call a technician.
- [Garage door opener not working: what to check first](https://pros411.com/en/guides/garage-door-repair/garage-door-opener-not-working): Garage door opener not working? Check the power, the lock button and the springs in 10 minutes, and call a garage door company if the motor is dead.
- [Garage door remote not working: battery, lock and reprogramming](https://pros411.com/en/guides/garage-door-repair/garage-door-remote-not-working): Garage door remote not working? Test the wall button, turn off the lock, change the battery and reprogram it, step by step. Most fixes take 10 minutes.
- [Garage door off track: what to do and what not to touch](https://pros411.com/en/guides/garage-door-repair/garage-door-off-track): Garage door off track or hanging crooked? Stop using it, unplug the opener and keep everyone clear. Here is why it is a job for a garage door company.
- [Noisy garage door: what to lubricate and what to leave alone](https://pros411.com/en/guides/garage-door-repair/garage-door-noisy): Noisy garage door that squeaks or rattles? Lubricate the hinges and rollers the right way in 15 minutes, and know which parts to leave to a technician.
- [Garage door goes down, then back up: what to check](https://pros411.com/en/guides/garage-door-repair/garage-door-reverses): Garage door goes down, then back up? Check the sensors, clear the floor, adjust the down limit and test the safety reverse with a board, step by step.
- [How to open a garage door in a power outage](https://pros411.com/en/guides/garage-door-repair/open-garage-door-manually): Power out and the garage door won’t open? Use the emergency release cord the safe way, lift the door by hand and reconnect the opener when power is back.
- [Garage door cable broke: don’t touch it](https://pros411.com/en/guides/garage-door-repair/garage-door-cable-broke): Garage door cable broke or came off the drum? Stop using the door, keep everyone clear and call a garage door company. Here is what is safe to do now.
- [Garage door keypad not working: battery, lock and code](https://pros411.com/en/guides/garage-door-repair/garage-door-keypad-not-working): Garage door keypad not working? Change its battery, turn off the lock mode and reprogram your code, step by step. Most fixes take about 10 minutes.
- [Garage door opener runs but the door doesn’t move](https://pros411.com/en/guides/garage-door-repair/garage-opener-runs-door-doesnt-move): Opener runs but the garage door doesn’t move? Check the springs, then reconnect the trolley to the opener. If the motor only hums, call a technician.
- [Gap under the garage door: replace the bottom seal](https://pros411.com/en/guides/garage-door-repair/garage-door-bottom-seal-gap): Gap under the garage door letting in light, water or bugs? Replace the bottom seal in about an hour with the door safely clamped, step by step.
- [Garage door opener light blinking: what it means](https://pros411.com/en/guides/garage-door-repair/garage-door-opener-light-blinking): Garage door opener light blinking and the door won’t close? Count the flashes, check the safety sensors and look up the code for your model, step by step.
- [Roof leaking: what to do from inside](https://pros411.com/en/guides/roofers/roof-leaking): Roof leaking into the house? Catch the water, protect your things and document it for insurance, step by step. A roofer near you can tarp it today.
- [Roof damage after a storm: what to do first](https://pros411.com/en/guides/roofers/roof-damage-after-storm): Roof damage after a storm? Check it safely from the ground, protect the inside, document it for insurance and get a roofer to tarp it.
- [Shingles blew off: what to do](https://pros411.com/en/guides/roofers/shingles-blown-off): Shingles blew off in the wind? Check the roof from the ground, look for leaks in the attic, save the pieces and get a roofer before the next rain.
- [Water stain on the ceiling: find the cause](https://pros411.com/en/guides/roofers/water-stain-on-ceiling): Water stain on the ceiling? Find out if it is the roof, a pipe or the AC, check it from the attic, and know when to call a roofer or a plumber.
- [Gutters overflowing when it rains: what to do](https://pros411.com/en/guides/roofers/gutters-overflowing): Gutters overflowing when it rains? Find the clog from the ground, clean them safely on a dry day, and know when a two-story home needs a pro.
- [Downspout clogged: how to clear it](https://pros411.com/en/guides/roofers/downspout-clogged): Downspout clogged and the gutter spilling at the corner? Clear it from the bottom with your hands and a hose, add an extension, and know when to call.
- [Tree or branch fell on the roof: what to do](https://pros411.com/en/guides/roofers/tree-fell-on-roof): Tree or branch fell on your roof? Get everyone out of the rooms below, stay clear of power lines, document it for insurance and call for help.
- [Skylight leaking: leak or condensation?](https://pros411.com/en/guides/roofers/skylight-leaking): Skylight leaking? Tell a real leak from condensation, catch the water and protect the room, and know when a roofer needs to reseal or replace it.
- [Chimney leaking when it rains](https://pros411.com/en/guides/roofers/chimney-leaking): Chimney leaking when it rains? Catch the water, check the cap and flashing from the ground and the attic, and know who to call for the repair.
- [Leak around a roof vent pipe](https://pros411.com/en/guides/roofers/roof-vent-pipe-leak): Leak around a roof vent pipe? Check the attic and the rubber boot from the ground, catch the drips, and have a roofer replace the boot before rot sets in.
- [Does my roof need replacing? Signs to check](https://pros411.com/en/guides/roofers/signs-roof-needs-replacing): Wondering if your roof needs replacing? Check these signs safely from the ground and the attic, and know when to ask a roofer for an inspection.
- [Black streaks on the roof: what they are and what to do](https://pros411.com/en/guides/roofers/black-streaks-on-roof): Black streaks on your roof? They are usually algae, not dirt. See what to skip, like pressure washing, and how a pro cleans them gently.
- [Hail damage: roof insurance claim steps](https://pros411.com/en/guides/roofers/hail-damage-insurance-claim): Hail hit your roof? Document the damage safely from the ground, report it to your insurer, get a roofer to inspect it, and be ready for the adjuster.
- [Storm chasers: how to spot a roofing scam](https://pros411.com/en/guides/roofers/roofing-scam-storm-chasers): Roofer knocking on your door after a storm? Learn the signs of a storm chaser scam, what to check before you sign, and how to pay safely.
- [Water pooling on a flat roof: what to do](https://pros411.com/en/guides/roofers/flat-roof-ponding): Water pooling on your flat roof? See when ponding is a problem, check the drains and ceilings safely from below, and know when to call a roofer.
- [How to patch a hole in drywall (check for wires and pipes first)](https://pros411.com/en/guides/handyman/hole-in-drywall): Hole in the drywall? Patch it with a mesh patch and joint compound, check for wires and pipes before you cut, and know when to call a handyman.
- [Cracks in the wall or ceiling: what they mean and when to worry](https://pros411.com/en/guides/handyman/drywall-cracks): Crack in the wall or ceiling? See which cracks are normal, how to tell if one is growing, and when sticking doors mean a foundation pro.
- [Door won't latch or close: how to fix it](https://pros411.com/en/guides/handyman/door-wont-latch): Door won't latch or stay closed? Tighten the hinges, find where the latch hits and adjust the strike plate. Most fixes take one screwdriver.
- [Squeaky door hinge: how to stop it for good](https://pros411.com/en/guides/handyman/squeaky-door): Squeaky door hinge driving you crazy? Pull the hinge pin, clean it and grease it, one hinge at a time. It takes 10 minutes and lasts much longer than a spray.
- [Door sticks or rubs the frame: how to fix it](https://pros411.com/en/guides/handyman/door-sticks): Door sticking or rubbing the frame? Find where it rubs, tighten the top hinge with a long screw and sand only as a last resort. Here is how.
- [Sliding glass door hard to open: clean the track and adjust the rollers](https://pros411.com/en/guides/handyman/sliding-door-hard-to-open): Sliding glass door hard to open or stuck? Vacuum and scrub the track, use silicone spray and raise the rollers with one screw. Here is how.
- [Drafty door: how to replace the weatherstripping](https://pros411.com/en/guides/handyman/drafty-door): Drafty door letting cold air in? Test it with a dollar bill, pull out the old weatherstripping and press in a new one. Then check the door sweep.
- [Cabinet door sagging or won't close: adjust the hinges](https://pros411.com/en/guides/handyman/cabinet-door-sagging): Cabinet door sagging or won't close? Tighten the hinge screws, fix stripped holes and use the adjustment screws to line it up. Here is how.
- [Window hard to open or close: how to make it slide again](https://pros411.com/en/guides/handyman/window-hard-to-open): Window hard to open or stuck shut? Unlock it fully, clean the tracks, cut a paint seal and use silicone spray. And know when to call a handyman.
- [How to re-caulk a bathtub or shower, step by step](https://pros411.com/en/guides/handyman/recaulk-bathtub): Caulk around your tub cracked or peeling? Cut out the old bead, seal the joint with 100% silicone in one pass, and know when a leak needs a pro.
- [Towel bar pulling out of the wall: how to fix it for good](https://pros411.com/en/guides/handyman/towel-bar-pulling-out-of-wall): Towel bar pulling out of the wall? Take it off, swap the plastic anchors for a stud or toggle bolts, and hang it so it stays put. Step by step.
- [How to hang a heavy mirror or TV safely](https://pros411.com/en/guides/handyman/hang-heavy-mirror-or-tv): Hanging a heavy mirror or mounting a TV? Find the studs, use the right hardware, and lift it with two people so it never falls. Step by step.
- [Torn window screen: patch it or replace the mesh](https://pros411.com/en/guides/handyman/torn-window-screen): Torn window screen letting bugs in? Patch a small hole in minutes, or replace the mesh and spline yourself with a spline roller. Step by step.
- [Cracked or missing grout: how to fix it](https://pros411.com/en/guides/handyman/cracked-or-missing-grout): Grout cracked or falling out between your tiles? Rake out the bad grout, press in new, wipe the haze and seal it, and know when it means a leak.
- [Squeaky floors: how to quiet them](https://pros411.com/en/guides/handyman/squeaky-floor): Floor squeaks every time you walk on it? Find the gap over the joist and quiet it with a shim from below or a screw from above. Step by step.
- [Gate sagging or won't latch: how to fix it](https://pros411.com/en/guides/handyman/gate-sagging-wont-latch): Gate sagging, dragging on the ground or won't latch? Tighten the hinges, add an anti-sag cable kit, and know when the post is the real problem.
- [Loose or rotten deck board: how to fix or replace it](https://pros411.com/en/guides/handyman/loose-or-rotten-deck-board): Deck board loose, popping nails or soft and rotten? Test it, swap the nails for deck screws or replace the board, and know when it is the structure.
- [Paint peeling in the bathroom: fix the moisture, then repaint](https://pros411.com/en/guides/handyman/bathroom-paint-peeling): Paint peeling or bubbling in your bathroom? Get the steam out with the fan, scrape and prime, and repaint with bathroom paint so it lasts this time.
- [Black mold in the shower: how to clean it](https://pros411.com/en/guides/house-cleaning/black-mold-in-shower): Black mold in the shower? Clean it off the grout and caulk with one product at a time, keep it from coming back, and know when to call a pro.
- [Hard water stains on the shower glass: how to remove them](https://pros411.com/en/guides/house-cleaning/hard-water-stains-shower-glass): Cloudy hard water stains on the shower glass? Dissolve them with warm white vinegar, scrub without scratching and keep the glass clear for longer.
- [How to clean an oven without harsh fumes](https://pros411.com/en/guides/house-cleaning/how-to-clean-an-oven): Oven covered in baked-on grease? Clean it overnight with a baking soda paste, no harsh fumes, and learn when self-clean is fine and when to skip it.
- [Greasy kitchen cabinets: how to clean them](https://pros411.com/en/guides/house-cleaning/clean-greasy-kitchen-cabinets): Sticky, greasy kitchen cabinets? Cut the grease with warm water and dish soap, lift sticky spots with baking soda and protect the finish while you clean.
- [Carpet stain: how to get it out](https://pros411.com/en/guides/house-cleaning/how-to-get-a-stain-out-of-carpet): Just spilled something on the carpet? Blot it, never rub, treat it with cool water and dish soap, and know which stains need a carpet cleaner.
- [Pet urine smell in the carpet: how to get rid of it](https://pros411.com/en/guides/house-cleaning/pet-urine-smell-in-carpet): Carpet smells like pet urine? Find every spot, blot it and break it down with an enzyme cleaner, so the smell goes away and your pet stops going back.
- [Cleaning up after a water leak: what to do first](https://pros411.com/en/guides/house-cleaning/cleaning-up-after-a-water-leak): Water all over the floor after a leak? Stop the water, stay clear of electricity, dry everything within 48 hours to stop mold and know when to call a pro.
- [Move-out cleaning checklist: room by room](https://pros411.com/en/guides/house-cleaning/move-out-cleaning-checklist): Moving out and want your deposit back? Use this move-out cleaning checklist, top to bottom and room by room, and see what landlords check first.
- [How to clean dirty grout](https://pros411.com/en/guides/house-cleaning/how-to-clean-grout): Dirty, dark grout between the tiles? Clean it with a baking soda paste and a stiff nylon brush, then seal it so it stays clean longer. Step by step.
- [Washing machine smells: how to clean it](https://pros411.com/en/guides/house-cleaning/washing-machine-smells): Washing machine smells musty? Clean the rubber door seal and the detergent drawer, run a hot cleaning cycle and keep the smell from coming back.
- [Dryer vent clogged: why it matters (fire risk)](https://pros411.com/en/guides/house-cleaning/dryer-vent-clogged): Clothes taking forever to dry? A clogged dryer vent is a fire risk. Learn the warning signs, what to check yourself and when to call a vent pro.
- [Cleaning products you should never mix](https://pros411.com/en/guides/house-cleaning/cleaning-products-you-should-never-mix): Is it safe to mix these cleaners? Never mix bleach with ammonia, vinegar or alcohol. See the dangerous combos and what to do if you breathed the fumes.
- [How to clean a greasy range hood filter](https://pros411.com/en/guides/house-cleaning/clean-range-hood-filter): Range hood filter caked with grease? Soak it in very hot water with baking soda and dish soap, scrub, rinse and dry. Step by step, plus how often.
- [How to clean a microwave in 5 minutes](https://pros411.com/en/guides/house-cleaning/how-to-clean-a-microwave): Microwave covered in dried splatters? Steam it clean in about 5 minutes with water and lemon or vinegar, then wipe it out. No hard scrubbing needed.
- [Mold on walls or ceiling: how to clean it safely](https://pros411.com/en/guides/house-cleaning/remove-mold-from-walls): Mold on your walls or ceiling? Clean small patches with water and detergent, dry the spot, stop the moisture and know when it is a job for a pro.
- [Dishwasher smells: how to clean it](https://pros411.com/en/guides/house-cleaning/clean-dishwasher): Dishwasher smells bad? Clean the filter, wipe the door seal, run a vinegar cycle and a baking soda rinse, and see when the smell means a drain problem.
- [Soap scum on the bathtub: how to get it off](https://pros411.com/en/guides/house-cleaning/remove-soap-scum-bathtub): Soap scum on your bathtub? Dissolve the dull film with warm vinegar and dish soap, scrub it off without scratching and keep the tub shiny for longer.
- [Ring in the toilet bowl: how to remove it](https://pros411.com/en/guides/house-cleaning/toilet-bowl-ring): Ring in your toilet bowl that will not scrub off? Lower the water, soak the ring in vinegar, scrub it with a wet pumice stone and stop it from coming back.
- [Burnt-on stains on a glass stovetop: how to clean it](https://pros411.com/en/guides/house-cleaning/clean-glass-stovetop): Burnt-on stains on your glass stovetop? Lift them with baking soda and a hot towel, scrape what is left safely and polish the glass without scratching it.
- [How to clean a mattress: stains and smells](https://pros411.com/en/guides/house-cleaning/clean-a-mattress): Stains or a smell on your mattress? Vacuum it, blot stains without soaking, freshen it with baking soda and dry it fully. For sweat, urine and spills.
- [Broken sprinkler head: how to replace it](https://pros411.com/en/guides/landscaping/broken-sprinkler-head): Broken sprinkler head shooting water? Turn the system off, dig it out and screw in a matching head in about 30 minutes. Know when to call a pro.
- [Sprinkler zone not turning on: what to check](https://pros411.com/en/guides/landscaping/sprinkler-zone-not-working): Sprinkler zone not turning on? Check the controller, open the valve by hand and find out if it is a wire, the solenoid or a stuck valve.
- [Sprinkler leaking: puddles or soggy spots in the lawn](https://pros411.com/en/guides/landscaping/sprinkler-leaking-puddles): Sprinkler leaking and leaving puddles or soggy spots? Find where the water comes from, fix a cracked riser yourself and know when a valve needs a pro.
- [Brown patches in the lawn: find the cause and fix it](https://pros411.com/en/guides/landscaping/brown-patches-lawn): Brown patches in your lawn? Three quick tests tell you if it is thirst, bugs or a sprinkler that misses. Fix it, and know when to call a landscaper.
- [How much to water your lawn in the heat](https://pros411.com/en/guides/landscaping/how-much-to-water-lawn-heat): How much should you water your lawn in the heat? Measure what your sprinklers put out, water early and deep, and skip the daily sprinkle that wastes water.
- [Weeds taking over the lawn: how to get rid of them for good](https://pros411.com/en/guides/landscaping/weeds-taking-over-lawn): Weeds taking over your lawn? Pull them the right way, mow higher and stop the next batch before it sprouts. A thick lawn is the best weed killer.
- [Grubs in the lawn: signs and what to do](https://pros411.com/en/guides/landscaping/grubs-in-lawn): Grubs in your lawn? Spot the signs, count them in one square foot and treat at the right time so the grass grows its roots back. Know when to call.
- [Tree branch over the house: when to trim it and who should do it](https://pros411.com/en/guides/landscaping/tree-branch-over-house): Tree branch over your house or rubbing the roof? Learn the warning signs to check from the ground, when to trim, and why it is a job for an arborist.
- [Fallen tree after a storm: what to do first](https://pros411.com/en/guides/landscaping/fallen-tree-after-storm): Fallen tree after a storm? Stay away from downed power lines, call 911 and your power company, take photos for insurance and let a tree service remove it.
- [Water pooling in the yard: why it happens and how to fix it](https://pros411.com/en/guides/landscaping/standing-water-in-yard): Water pooling in your yard after rain or watering? Find the cause, move the downspout, loosen packed soil and fill low spots. Know when to call a pro.
- [Drip irrigation clogged: how to clean it](https://pros411.com/en/guides/landscaping/drip-irrigation-clogged): Drip irrigation clogged and plants wilting? Rinse the filter, flush the lines and clear or replace clogged emitters. A simple fix most people can do.
- [Bare spots in the lawn: how to fill them](https://pros411.com/en/guides/landscaping/bare-spots-in-lawn): Bare spots in your lawn? Rake, add compost, then seed, plug or sod for your type of grass and keep it moist. Here is how to make the patch blend in.
- [Shrubs turning brown: find out why and save them](https://pros411.com/en/guides/landscaping/shrubs-turning-brown): Shrubs turning brown? Check the soil, test the twigs and cut back the dead wood. Learn the usual causes in hot, dry yards and when to call a pro.
- [Watering restrictions: how to keep your lawn alive](https://pros411.com/en/guides/landscaping/watering-restrictions-lawn): Watering restrictions in your city? Set the controller to your allowed days, water early in short cycles, mow higher and protect your trees first.
- [When and how to fertilize your lawn](https://pros411.com/en/guides/landscaping/when-to-fertilize-lawn): When should you fertilize your lawn? It depends on your grass: early fall for cool-season, late spring to summer for warm-season. Here is how to spread it.
- [Mushrooms in the lawn: what they mean and what to do](https://pros411.com/en/guides/landscaping/mushrooms-in-lawn): Mushrooms in your lawn? They point to buried wood and damp soil, not a sick lawn. Pick them, keep kids and pets away and let the soil dry out.
- [Mole tunnels and mounds in the yard: what to do](https://pros411.com/en/guides/landscaping/mole-tunnels-in-yard): Mole tunnels and mounds in your yard? Find the active tunnels, trap them or call a pro, skip the poison and the gadgets, then fix the lawn.
- [How short to mow your lawn](https://pros411.com/en/guides/landscaping/how-short-to-mow-lawn): How short should you mow your lawn? Use the right height for your grass, never cut off more than a third at once and keep the blade sharp.
- [Fall leaves on the lawn: rake, mulch or leave them](https://pros411.com/en/guides/landscaping/fall-leaves-on-lawn): Should you rake fall leaves off the lawn? Mow a thin layer into bits, rake off a thick blanket and keep leaves out of the street. Here is when to do each.
- [Tree roots showing above the lawn: what to do](https://pros411.com/en/guides/landscaping/tree-roots-above-ground): Tree roots showing above your lawn? Do not cut them or bury them under soil. Cover them with a wide mulch ring, and know when to call an arborist.
- [Signs a tree is dead or dying](https://pros411.com/en/guides/landscaping/signs-tree-is-dying): Is your tree dying? Check for bare branches, do the scratch test and look for fungus, cracks and a new lean. Learn what each sign means and when to call.
- [Check engine light flashing: can I keep driving?](https://pros411.com/en/guides/mechanics/check-engine-light-flashing): Check engine light flashing? Ease off the gas and pull over safely: driving on can ruin the catalytic converter. Steady vs. flashing, and when to call.
- [Car overheating: pull over, then what](https://pros411.com/en/guides/mechanics/car-overheating): Car overheating? Turn the heater on, pull over safely and let the engine cool before you touch anything. What to check and when to call a mechanic.
- [Brakes grinding: what it means and how far you can drive](https://pros411.com/en/guides/mechanics/brakes-grinding): Brakes grinding when you stop? It usually means the brake pads are worn to the metal. How far you can drive, when to call a tow and what gets replaced.
- [Car won't start, just clicks: what to check](https://pros411.com/en/guides/mechanics/car-wont-start-clicking): Car won't start and just clicks? It is usually a weak battery or a loose, crusty terminal. What to check, how to get going and when to call a mechanic.
- [How to jump-start a car safely](https://pros411.com/en/guides/mechanics/how-to-jump-start-a-car): Need to jump-start your car? Connect the cables in the right order, put the last clamp on bare metal and start the good car first. Step by step, safely.
- [Car won't start and makes no sound: what to check](https://pros411.com/en/guides/mechanics/car-wont-start-no-sound): Car won't start and makes no sound at all? Check the gear, the steering lock and the key fob, then the battery cables. What to try and when to call.
- [Flat tire: what to do, step by step](https://pros411.com/en/guides/mechanics/flat-tire): Flat tire? Get off the road with your hazard lights on, then change it only where it is safe. When to call roadside help, and how to put on the spare.
- [Tire pressure light on: what to do](https://pros411.com/en/guides/mechanics/tire-pressure-light): Tire pressure light on? One or more tires are low. Check all four, fill them to the number on the door sticker, and know when it means a leak or a sensor.
- [Battery light on while driving: what to do](https://pros411.com/en/guides/mechanics/battery-light-on): Battery light on while driving? Your car is running on the battery alone. Turn off extras, watch the temperature and drive straight to a mechanic.
- [Oil pressure light on: stop the engine](https://pros411.com/en/guides/mechanics/oil-pressure-light): Oil pressure light on? Pull over and turn the engine off right away: driving on can ruin it. How to check the oil, when to add it and when to call a tow.
- [Key fob not working: what to do](https://pros411.com/en/guides/mechanics/key-fob-not-working): Key fob not working? Use the hidden key to open the door, hold the fob against the start button, then swap the coin battery. Step by step, in minutes.
- [Headlights dim or out: what to check](https://pros411.com/en/guides/mechanics/headlights-dim): Headlights dim or out? Check the switch, look for a burned bulb, clean cloudy lenses, and know when dim lights mean a charging problem. Step by step.
- [Windshield wipers not working: what to do](https://pros411.com/en/guides/mechanics/wipers-not-working): Windshield wipers not working? If you cannot see, slow down and pull off safely. Then check for ice or debris, the wiper fuse and the blades. Step by step.
- [Check engine light on (not flashing): what to do](https://pros411.com/en/guides/mechanics/check-engine-light-steady): Check engine light on but not flashing? It is not an emergency. Check the gas cap, notice how the car drives and get the code read in the next few days.
- [Car AC not blowing cold air: what to check first](https://pros411.com/en/guides/mechanics/car-ac-not-blowing-cold): Car AC not blowing cold air? Check the settings, the cabin filter and the front grille first. What a recharge can and cannot fix, and when to call.
- [Steering wheel shakes when braking: what it means](https://pros411.com/en/guides/mechanics/steering-wheel-shakes-braking): Steering wheel shakes when you brake? It usually points to uneven brake rotors. How serious it is, what gets fixed and when to stop driving and call a tow.
- [Car pulls to one side: what to check](https://pros411.com/en/guides/mechanics/car-pulls-to-one-side): Car pulls to one side? Check the tire pressure first, then how the tires wear. When it is the alignment, when it is the brakes and when to call a mechanic.
- [Squealing noise when starting or turning: what it is](https://pros411.com/en/guides/mechanics/squealing-noise-car): Car squealing when you start it or turn the wheel? Often it is a worn or loose belt or low power steering fluid. What to check and when to call a mechanic.
- [Puddle under the car: what the fluid means](https://pros411.com/en/guides/mechanics/fluid-leak-under-car): Puddle under your car? Tell oil, coolant, brake fluid and plain AC water apart by where it drips, how it feels and how it smells. When it is safe to drive.
- [Smoke from the exhaust: what it means](https://pros411.com/en/guides/mechanics/smoke-from-exhaust): Smoke from your exhaust? Thin white vapor on a cold day is normal. Thick white, blue-gray or black smoke is not. What to check and when to pull over.
- [Car stalls while driving: what to do right now](https://pros411.com/en/guides/mechanics/car-stalls): Car stalls while driving? Hazards on, steer firmly and press the brake hard and steady to reach a safe spot. Then one restart, and when to call a tow.
- [Transmission slipping: signs and what to do](https://pros411.com/en/guides/mechanics/transmission-slipping): Transmission slipping? The engine revs but the car barely speeds up. Check the fluid if you can, drive gently and get it checked before it gets worse.
- [Burning smell from the car: what it means](https://pros411.com/en/guides/mechanics/car-burning-smell): Car smells like burning? Pull over if you see smoke. Hot brakes, burning oil, rubber or plastic: what each smell usually means and when to call a mechanic.
- [Clunking noise over bumps: what to check](https://pros411.com/en/guides/mechanics/clunking-over-bumps): Clunking noise over bumps? It is usually a worn suspension part. Try the bounce test, look for an oily shock and know when it is not safe to drive.
- [Brake pedal soft or spongy: what to do now](https://pros411.com/en/guides/mechanics/spongy-brake-pedal): Brake pedal soft, spongy or sinking? Pump it, slow down gently and pull over: the brakes may be losing fluid or have air in the lines. Do not drive it.
- [Car shaking at idle: what to check](https://pros411.com/en/guides/mechanics/car-shaking-at-idle): Car shaking at idle? Check the dashboard lights, see if it calms in Neutral and get the code read. When it is spark plugs, an air leak or engine mounts.
- [Car heater blowing cold air: what to check](https://pros411.com/en/guides/mechanics/car-heater-not-working): Car heater blowing cold air? Check the coolant with the engine cold and watch the temperature gauge. What low coolant or a bad heater core looks like.