The air compressor unloader valve is usually built into the pressure switch assembly.
How to fix air compressor in car.
A seized ac compressor causes the ac to malfunction.
Contact the air compressor repair manufacturer to buy a new assembly.
You can now start the engine back up and return to the engine bay.
Freeing a seized ac compressor involves determining what caused the seize and performing the necessary repairs.
To fix your car s air conditioner start by turning your car on and checking to see if the air conditioner is producing cold air.
An automobile air conditioner ac compressor compresses refrigerant and allows it to circulate through the system cooling the vehicle.
If it s not you may need to fix the cooling fans on your radiator or replace the cabin air filter.
Be sure to follow any and all instructions that come with the replacement air conditioning compressor.
Or remove the cover from the switch unplug the compressor first and locate the pressure switch part number.
You also might hear a lot of noise such as chattering bearings or a squealing belt if the compressor is seized up.
Listen and inspect the compressor.
A minimum of 29 inches of mercury for one hour to insure moisture and residual flushing solids or boiled from the system.
Visually inspect the ac compressor.
Look and listen for the compressor clutch engaging on the ac pulley.
9 recharge your air conditioning system using the recommended freon only.
Then do an internet search for that part.
8 apply a vacuum to the car ac system.
The compressor s clutch also may not engage and will just stay cycled off all the time.
Be sure to leave the ac set to high or max and the blower motor fan on high.