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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 Replacement >> 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.
  1. Lubricate the O-ring of the new pressure relief valve (1) using new 525 viscosity refrigerant oil.
    NOTE: Refer to COMPONENT FASTENER TIGHTENING NOTICE in Cautions and Notices.
  2. Install the pressure relief valve (1).

    Tighten 

    Tighten the pressure relief valve to 9 N.m (80 lb in).

    Fig 1: Installing Compressor Pressure Relief Valve
    G01645547Courtesy of GENERAL MOTORS CORP.
  3. Evacuate and recharge the refrigerant system. Refer to REFRIGERANT RECOVERY AND RECHARGING .
  4. Leak test the fitting(s) of the repaired or reinstalled component using the J 39400-A. 
  5. Install the engine cover. Refer to ENGINE COVER REPLACEMENT in Interior Trim.
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