buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Hose/Line HVAC > < High Pressure Safety Valve HVAC|Removal
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High Pressure Safety Valve HVAC: Service and Repair
Installation

COMPRESSOR PRESSURE RELIEF VALVE INSTALL (V5 - DIRECT MOUNT)

TOOL REQUIRED

J 41790-A Compressor Holding Fixture

1. Clean the pressure relief valve seat area of the rear head.
2. Lubricate the O-ring of the new pressure relief valve with clean 525 viscosity refrigerant oil.
3. Install the new pressure relief valve into the compressor.

Tighten the pressure relief valve to 9 N.m (80 lb in).

NOTE:  Refer to Fastener Notice in Service Precautions.

4. Remove the compressor from the J 41790-A.

Hose/Line HVAC > < High Pressure Safety Valve HVAC|Removal