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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 A-6 Compressor >> Pressure Relief Valve
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Pressure Relief Valve

A-6 Compressor Component View:






The pressure relief valve is located at the rear of the compressor

Remove or Disconnect

1. Valve (56).
2. Seal (57).

Clean
^ The valve cavity to remove any dust or dirt before installing a new seal.

Install or Connect

1. Seal (57) to the compressor
^ Dip the seal (57) in 525 viscosity refrigerant oil.
2. Valve (56) to the compressor

Tighten
^ Valve (56) to 19 N.m (14 ft. lbs.).