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Home >> Chevrolet >> 2002 >> Astro Van Passenger, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 802 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Compressor Pressure Relief Valve Install >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Safari and 2003 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required 

J 43600  ACR 2000 Air Conditioning Service Center. See Special Tools and Equipment .

  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 Cautions and Notices.
  3. Install the new pressure relief valve (5).

    Tighten 

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

    Fig 1: Installing Compressor Pressure Relief Valve
    G01645520Courtesy of GENERAL MOTORS CORP.
  4. Evacuate and recharge the system using the J 39500-B. 
  5. Leak test the system.
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