Ac Low Pressure Switch Location

Low ac pressure will prevent the relay from sending power to the ac compressor clutch.

Ac low pressure switch location.

The location of the refrigerant pressure sensor can differ a lot between car models and depending on whether you are going to replace the high or low pressure sensor. Testing and replacing the ac clutch cycling switch on my second gen cummins went from blowing warm ambient air to blowing cold. Jump the low pressure switch only to test the circuit. The high pressure switch is designed to shut down the compressor if the line pressure gets dangerously high.

Check the pressure of the air conditioning system by attaching a low pressure gauge from a refrigerant recharge kit to the low pressure fitting located between the accumulator and the compressor and marked with a capital l according to aa1 car on an 80 degree day the low pressure gauge should measure 56 psi pounds per square inch or higher. Identify the faulty ac low pressure switch symptoms ac high pressure switch symptoms. The chevrolet truck uses two air conditioning pressure switches. A high and low pressure switch.

If you jump the low pressure switch with the engine running do it only for a few seconds. But usually the sensors are most often located in the engine bay or under the front on the ac condenser on the front of the car. The ac low pressure sensor is located at the line that runs from the compressor component of the system through the evaporator or the firewall of the system up to the condenser on the low pressure side of the air conditioning system. The low pressure switch is designed to shut the compressor.

If it is too high ac high pressure switch the compressor is at risk of overheating and becoming damaged. Do not jump the low pressure switch to operate the compressor non stop so you can add refrigerant. If you are trying to replace the sensor know that the r 134 a hoses used for recharging will only fit through.