pontiac Workshop Repair Guides

Pontiac Workshop Service and Repair Manuals

Hose/Line HVAC > < High Pressure Safety Valve HVAC|Service and Repair
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1. Lightly coat the new O-ring with mineral base 525 viscosity refrigerant oil.

IMPORTANT:  Lubricate the new O-ring prior to installation on the compressor hose.

2. Install the new O-ring to the pressure relief valve. 
3. Install the pressure relief valve to the compressor.

Tighten the pressure relief valve to 9.8 N.m (87 lb in).

NOTE:  Refer to Fastener Notice.

4. Lower the vehicle. Refer to Vehicle Lifting.
5. Recharge the A/C system. Refer to Refrigerant Recovery and Recharging.
6. Test the affected A/C joint for leaks using J 39400-A.

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