buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Refrigerant Pressure Sensor / Switch, HVAC|Diagrams|Page 9313 > < Refrigerant Pressure Sensor / Switch, HVAC|Diagrams|Page 9311
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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

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).

Refrigerant Pressure Sensor / Switch, HVAC|Diagrams|Page 9313 > < Refrigerant Pressure Sensor / Switch, HVAC|Diagrams|Page 9311