isuzu Workshop Repair Guides

Isuzu Workshop Service and Repair Manuals

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

NOTE:  Refer to Fastener Note in Service Precautions.

3. Install the new pressure relief valve into the compressor. 

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

4. Remove the compressor from the J 41790.
5. Install the compressor into the vehicle.

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