Why does my car AC stop blowing cold air?

The most common causes of broken air conditioning are leaks or compressor issues. If your air is blowing cool but not cold, the problem could be a clogged filter, cooling fan problem, radiator trouble, or it could simply be that you need to recharge your AC.

What do you do if your AC stops blowing cold air?

What to do When Your AC Stops Blowing Cold Air

  1. Change the Dirty Air Filter. The filter needs to be clean for your AC to work properly. …
  2. Unblock a Blocked Condenser. Your AC won’t run properly if dirt and debris are all over the outdoor component of your HVAC system. …
  3. Have Low Refrigerant Replaced.

Why does my car AC sometimes blows hot air?

A car A/C blowing hot air is often the result of a refrigerant leak. Refrigerant is a liquid that circulates through your car’s A/C system, expanding and contracting as it removes heat and humidity from the cabin. None of the other A/C components will function correctly without proper refrigerant levels.

IMPORTANT:  How much does a school bus engine cost?

How do I know if my car AC compressor is bad?

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

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

Why is my car AC cool but not cold?

The most common causes of broken air conditioning are leaks or compressor issues. If your air is blowing cool but not cold, the problem could be a clogged filter, cooling fan problem, radiator trouble, or it could simply be that you need to recharge your AC.

How do you know if your air compressor is going out?

5 Signs & Symptoms of a Bad AC Compressor

  • Your AC Is Making Growling, Screeching, or Clattering Noises. Electrical failures in the compressor will make your AC emit unusual clunking or rattling noises. …
  • You Have a Hard Time Getting Your AC to Start. …
  • Your AC Stops Blowing Cold Air. …
  • Circuit Breaker Problems. …
  • Diminished Airflow.

Can a dirty air filter cause car AC not to cool?

Change The Cabin Air Filter

A dirty air filter can certainly impede your air conditioner’s ability to cool and after time could cause unnecessary strain on the entire system.

How often do car AC compressors go bad?

The answer depends on age and how often you use your car ac. As you drive your car and over a long time, the AC compressor will start malfunctioning. However, you can expect your AC compressor to last 8-12 years.

IMPORTANT:  Frequent question: What materials are used in car engines?

How can I test my car AC compressor?

Turn on the AC. Connect a pressure gauge to the low side of the AC compressor, typically found on the firewall passenger side in the engine compartment. Add approximately 2 oz. of Freon to determine whether the compressor kicks on (if it does, you will hear a loud click followed by a puttering sound).

How often should you recharge your car AC?

When is it time to add or replace the refrigerant? You could be proactive and have it done before you experience problems, but you shouldn’t need that more often than every few years at most. If your air conditioning is losing its potency even after topping it off, then you probably have a leak.

Can AutoZone check my AC?

If you want to find the right AC solution for your car, you can either shop online or go to your local AutoZone. You can get your car’s parts tested for free at AutoZone.