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Refrigerant Pressure Sensor / Switch: Service and Repair




Air Conditioning (A/C) Refrigerant Pressure Sensor Replacement

Special Tools

J 39400-A Halogen Leak Detector

Removal Procedure

Note: 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).

Caution: Refer to Fastener Caution (Fastener Caution).

2. Install the refrigerant pressure sensor and tighten to 5 Nm (44 lb in).




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