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Refrigerant Pressure Sensor / Switch: Service and Repair



Air Conditioning (A/C) Refrigerant Pressure Sensor Replacement (L61/L66)

Removal Procedure

1. Raise and support the vehicle. Refer to Vehicle Lifting.




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

Installation Procedure






Important: Use R-12 refrigerant oil (mineral) to lubricate O-rings. Use of R-134a (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.

Notice: Refer to Fastener Notice.

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 10 N.m (89 lb in).

3. Install the electrical connector to the refrigerant pressure sensor.
4. Lower the vehicle.