Refrigerant Pressure Sensor / Switch: Service and Repair

Air Conditioning (A/C) Refrigerant Pressure Sensor Replacement (LNJ) (3.4L)

Removal Procedure




1. Disconnect the electrical connector from the refrigerant pressure sensor.
2. Remove the refrigerant pressure sensor from the compressor hose.

Installation Procedure





Note: Use R-12 refrigerant oil (mineral) to lubricate O-rings. Use of R-134a polyalkylene glycol (PAG) oil will cause premature corrosion of fitting joints.

1. Lubricate the refrigerant pressure sensor O-ring with mineral oil. Refer to O-Ring Replacement (O-Ring Replacement).

Caution: Refer to Fastener Caution (Fastener Caution).

2. Hand start the refrigerant pressure sensor to the compressor hose, taking care not to pinch the O-ring and tighten.

Tighten the pressure sensor to 4 Nm (35 lb in).

3. Install the electrical connector to the refrigerant pressure sensor.