Why does my car AC sometimes work and sometimes not?

Why does my car AC sometimes work and sometimes not?

Intermittent cooling is often caused by the components of your vehicle’s AC system freezing up. Typically an iced over evaporator is the culprit. There may be numerous issues causing the icing—from a dirty cabin air filter to a blocked evaporator drain or an overcharged system.

Why does my AC not work sometimes?

If your air conditioner will turn on, and your thermostat is set properly, but your system is not cooling you may have a dirty or blocked air condenser. If your air conditioner is still not cooling air, you may have a problem with your compressor or refrigerant and will need to contact a professional.

What causes the AC in a car not to work?

Air Conditioning Not Working in Your Car? 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.

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.

Why is my central AC running but not blowing air?

The most common problems that cause a lack of airflow include frozen coils, broken fan and restricted airflow due to dirty air filters or vent obstruction. However, there are many other issues that can lead to minimal airflow, so it may be necessary to ask the professionals.

How do I know if my AC needs recharged?

  1. Your A/C is Blowing Warm Air. One of the most obvious symptoms of low Freon levels is if your air conditioner is blowing warm or room temperature air.
  2. Listen For The A/C Clutch to Engage.
  3. Visible Refrigerant Leaks.
  4. Your A/C is Blowing Warm Air.
  5. Listen For The A/C Clutch to Engage.
  6. Visible Refrigerant Leaks.

How do I know if my car AC needs freon?

Well, there are a few signs to look for.

  1. Room Temperature Air. One of the most characteristic symptoms of low freon is the presence of room temperature air blowing from the vents.
  2. Visible Leaks. Of course, another sign of low freon levels is a visible leak.
  3. Clutch Doesn’t Engage.
  4. Ice on Compressor.

What are common reasons my Subaru Impreza has air conditioning problems?

What are common reasons my Subaru Impreza has air conditioning problems? While there are a variety of reasons your Subaru Impreza air conditioning won’t work, the most common 3 are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor.

What makes up the air conditioning system in a Subaru?

Typical Subaru Air conditioning Problems explained. The Air conditioning (AC) system in your Subaru is made up of the following. A compressor, Condenser, Evaporative (Evap) core, Expansion valve, receiver dryer, hoses and lines, thermo sensor and the controls.

How often should a Subaru air conditioner be serviced?

The newer Ac systems (2005 and up) are smaller than they have been previously and even just a slightly low charge can affect the performance. Typically speaking we only think about the Ac system when it isn’t working correctly, but the reality is, it really should be serviced at least every 4 years.

Where is the leak test in a Subaru Impreza?

To find the leak test equipment is needed. 2002 to 2003 Subaru Impreza, ( all models and trim levels) has an issue where the Evap core can ice over as a result of a design issue to the system, Subaru has issued a service bulletin about it. The fix is a new thermosensor (which is located in the Evap core).