Air conditioner pressure sensor OEM 31368366 Refrigerant pressure sensor switch for Volv o

Product Description:

Auto A/C pressure sensor
OE NO.:  31368366

Applicable vehicle type: For Vol vo

The car air conditioning pressure sensor is a key sensing component installed in the high-pressure circuit of the air conditioning system. It is commonly mounted between the condenser and the expansion valve, with some models designed as integrated temperature and pressure sensors. Its core function is to monitor the pressure of the refrigerant in the circuit (with some models also capable of synchronously monitoring temperature) and convert this into an electrical signal fed back to the control unit. This ensures stable operation of the air conditioning system, precise temperature control, and prevents damage to components.

Key Points for Use and Maintenance

• Installation Precautions: During installation, ensure that the threaded interfaces are properly sealed to prevent refrigerant leakage; when connecting plug-in connectors, check the cleanliness of the interfaces to avoid impurities affecting signal transmission; avoid collisions with sensitive components during installation to prevent damage that could lead to inaccurate measurements.
• Replacement and Inspection Timing: When the vehicle exhibits air conditioning cooling/heating failure, frequent compressor start-stop cycles, or the instrument panel indicates an air conditioning system fault, the sensors need to be inspected; if sensor housings are damaged or plug-in connectors are oxidized or corroded, they should also be replaced promptly. It is recommended to inspect the sensor operating status synchronously during each air conditioning system maintenance or when the vehicle has been driven 20,000 to 30,000 kilometers.

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