chevrolet Workshop Repair Guides

Chevrolet Workshop Service and Repair Manuals

Compressor Pressure Relief Valve|Page 8285 > < High Pressure Safety Valve HVAC|Locations
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High Pressure Safety Valve HVAC: Service and Repair
Compressor Pressure Relief Valve

Inspect
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Replace the pressure relief valve if oil leakage on or around it is observed.

Remove or Disconnect

1. Discharge and recover refrigerant. 
2. Pressure relief valve from compressor.
3. Discard pressure relief valve and O-ring.

Install or Connect

1. Lubricate O-ring with PAG oil and install on pressure relief valve.
2. Pressure relief valve to compressor.

Tighten
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Pressure relief valve to 12-18 N.m (106.2 lb. in.-13 lb. ft.)

3. Evacuate and recharge air conditioning system. 
4. Operate A/C system and check for refrigerant leaks.

Compressor Pressure Relief Valve|Page 8285 > < High Pressure Safety Valve HVAC|Locations