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Home >> Cadillac >> 1994 >> DeVille Concours V8-4.6L VIN 9 >> Repair and Diagnosis >> Heating and Air Conditioning >> Compressor HVAC >> Service and Repair >> Compressor Repair >> Major Compressor Repair Procedures >> Pressure Relief Valve
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Pressure Relief Valve

Compressor - Rear Head:






Remove or Disconnect

1. Recover the refrigerant using J 39500-GM.
2. Remove old pressure relief valve.

Install or Connect

1. Clean valve seat area on rear head.
2. Lubricate O-ring of new pressure relief valve and O-ring assembly with new 525 viscosity refrigerant oil. Install new valve and torque in place, 9.0 N.m (6.1 lbs. ft.).
3. Evacuate and recharge the system.
4. Leak test system.