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Home >> Chevy Truck >> 2002 >> Astro Van 2WD V6-4.3L VIN X >> Repair and Diagnosis >> Heating and Air Conditioning >> High Pressure Safety Valve HVAC >> Service and Repair >> Compressor Pressure Relief Valve Install

Compressor Pressure Relief Valve Install

TOOLS REQUIRED
J 43600 Refrigerant Station




1. Clean the valve seat area on the rear head.
2. Lubricate the O-ring of the new pressure relief valve (5) and the O-ring assembly using new 525 viscosity refrigerant oil.

NOTE: Refer to Fastener Notice in Service Precautions.

3. Install the new pressure relief valve (5).

Tighten
Tighten the new valve to 9.0 N.m (6.1 lb ft).

4. Evacuate and recharge the system using the J 39500-B.
5. Leak test the system.
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