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Refrigerant Pressure Sensor / Switch: Service and Repair



Air Conditioning (A/C) Refrigerant Pressure Sensor Replacement

Tools Required

J 39400-A Halogen Leak Detector


Removal Procedure


Important: Refrigerant recovery is not required.






1. Remove the refrigerant pressure sensor wire harness connector.
2. Remove the refrigerant pressure sensor.
3. Remove and discard the O-ring.



Installation Procedure

1. Install a new O-ring. Refer to O-Ring Replacement (O-Ring Replacement).

Notice: Refer to Fastener Notice (Fastener Notice).

2. Install the refrigerant pressure sensor.

Tighten to 5 N.m (44 lb in).





3. Install the refrigerant pressure sensor wire harness connector.
4. Leak test the fittings using the J 39400-A.