LaCrosse V6-3.8L (2009)
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
1. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement (See: Engine, Cooling and Exhaust/Engine/Tune-up and Engine
Performance Checks/Air Cleaner Housing/Service and Repair) for the 3.8L engine or Air Cleaner Assembly Replacement (See: Engine, Cooling
and Exhaust/Engine/Tune-up and Engine Performance Checks/Air Cleaner Housing/Service and Repair) for the 5.3L (LS4) engine.
2. Disconnect the electrical connector from the A/C refrigerant pressure sensor.
3. Remove the refrigerant pressure sensor from the liquid line.
Installation Procedure
1. Install the new O-ring seal. Refer to Air Conditioning O-Ring Seal Replacement (See: Coupler HVAC/A/C Coupler O-ring/Service and
Repair/Air Conditioning O-Ring Seal Replacement).