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Home >> Chevrolet >> 1989 >> Astro Van M L4-151 2.5L >> Repair and Diagnosis >> Heating and Air Conditioning >> Compressor HVAC >> Service and Repair >> Major Compressor Repair Procedures >> With HR-6 Compressor >> Pressure Relief Valve
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Pressure Relief Valve

HR-6 Component View:




DA-6 Compressor Rear Head Details:






Remove or Disconnect

^ Be sure the compressor has no charge.
1. Pressure relief valve (32).
2. O-ring seal (33).

Install or Connect

^ Lubricate the threads of the pressure relief valve (32) and new seal with 525 viscosity refrigerant oil.
1. Pressure relief valve (32) with new seal.

Tighten
^ Pressure relief valve (32) to 9 N.m (84 in. lbs.).

Important
^ Leak test the compressor.