Quick Answer: What would cause my air conditioner to stop working in my car

There are several things that can cause electrical problems for your car’s air conditioning. These can include failed switches, a blown fuse, a problem with the control module or something else. Fuses can short out and make the A/C stop working or a loose connection can create an electrical short that is easily fixed.

Why did my car AC suddenly stop working?

AC Leaks. One of the most common causes for a failed AC unit or one that slowly stops working is a leak in the system, this causes your cars AC to function with little to no refrigerant fluid/coolant gas. … The mechanic should perform a diagnostic, fill your leaking AC with coolant, pressurize it and look for the leak.

How much does it cost to fix AC in car?

But on average, you can expect to pay these prices for auto AC system repairs: Anywhere from $170 to $730 for minor AC compressor repairs and anywhere from $1,000 to $4,000 for major AC compressor repairs. Somewhere between $100 and $140 for a car AC recharge. About $500 for auto AC hose repair and replacement.

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How do I know if my car AC fuse is blown?

Inspect your car’s fuses.

Check your owner’s manual for the location of your car’s fuse panel, as it may be under the hood, in the trunk, or even in the driver’s foot well area. A blown fuse can cause your AC to stop working.

What are the symptoms of a bad AC compressor?

What Are the Signs and Symptoms of a Bad A/C Compressor?

  • A Lack of Hot Air Being Released Outside. …
  • Loud or Strange Noises From the Unit. …
  • Failure of the Compressor to Turn On. …
  • Circuit Breaker Tripping. …
  • Leaks Around the Air Conditioning Unit. …
  • Warm Air Instead of Cool Air Being Delivered to the House. …
  • Reduced Airflow.

Can AutoZone fix my AC?

An AC leak will lead to warmer air from your vents over time. In most cases this can be fixed with a proven stop leak additive to seal up any leaks. When it’s time for an AC recharge, turn to AutoZone. We carry R134a refrigerant, PAG46 oil, AC stop leak, AC system cleaner, and more.

Why would my AC compressor stop working?

Some of the most common reasons AC compressors stop working include: Dirty condenser coils. Blocked suction lines. Low refrigerant charge.

How long does it take to fix AC in car?

Generally speaking, the job itself takes about 3 to 5 hours to complete.

Why is my car air conditioner not blowing cold air?

The most common cause of a vehicle’s air conditioner not getting cold enough is that it needs to be recharged. You can recharge your refrigerant by yourself, but to save time and make sure the job is done correctly you should make an appointment with your local professional auto shop.

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How long should a car air conditioner last?

Then, you end up with little cool air (or even no cool air) in your passenger compartment. Usually, though, you can expect that you will get 8-10 years of use from your AC compressor, and for many drivers, that essentially means the life of the car.

Can a blown fuse cause AC not to work?

First of all, your electrical system might be having problems. … While this prevents serious trouble such as electrical fires, it also means that a single blown fuse can cause the entire air conditioner to stop working. Some of the most common causes of AC failure are rooted in electronics.

Is there a fuse for car air conditioning?

Locate the car’s fuse panel under the dash or power distribution center under the hood. Using a test light check all related fuses such as the BCM, climate control, heater, blower motor and for the air conditioner. … If the new fuse blows once it’s been replaced there is a short in the system.

Is there a fuse for the air conditioner?

Fuse. Modern window air conditioners that use an Electronic Control often have an internal fuse for protection. If your window air conditioner won’t turn on, it may be that the fuse has blown. … If the fuse has blown, replace it only with the proper type and rating.

Will a bad AC compressor affect the engine?

If your car’s ac compressor goes bad or fails over time, your engine can seize due to the stuck compressor. If you are traveling at high speed on the road or your car shuts off while operating, you no longer have any power steering or brake boosters to easily stop your vehicle.

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What sound does a bad AC compressor make?

Compressor: If your AC compressor is beginning to fail, it can make a rattling noise. Pulley: If the compressor pulley bearings are failing, they can make noises, generally a grinding, roaring or squealing noise.

What does a bad AC compressor sound like?

Another potential symptom of a failing AC compressor is loud or unusual noises. … A worn bearing will produce a high pitched squealing or grinding sound, while a seized bearing will produce a grinding noise or a noticeable belt squeal.

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