buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Hose/Line HVAC > < Compressor Pressure Relief Valve Removal (With RPO Code C69)|Page 13603
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1. Lubricate and install the NEW O-ring seal (2). Refer to O-Ring Replacement.
2. Remove the cap or tape from the pressure relief valve port.
3. Install the high pressure relief valve (1).

NOTE:  Refer to Fastener Notice in Service Precautions.

Tighten the valve to 12 N.m (106 lb in).

4. Lower the vehicle.
5. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging.
6. Leak test the fitting of the component using J 39400-A.

Hose/Line HVAC > < Compressor Pressure Relief Valve Removal (With RPO Code C69)|Page 13603