K 2500 Truck 4WD V8-379 6.2L DSL VIN C FI (1989)
High Pressure Safety Valve HVAC: Service and Repair
With HR-6 Compressor
HR-6 Component View
DA-6 Compressor Rear Head Details
Remove or Disconnect
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Be sure the compressor has no charge.
1. Pressure relief valve (32).
2. O-ring seal (33).
Install or Connect
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Lubricate the threads of the pressure relief valve (32) and new seal with 525 viscosity refrigerant oil.
