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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 910 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Compressor Pressure Relief Valve Install (4.3L) >> Tools Required

Tools Required

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J 43600  ACR 2000 Refrigerant System

  1. Clean the valve seat area on the rear head.
  2. Lubricate the O-ring of the new pressure relief valve (1) 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 (1).

    Tighten 

    Tighten the new valve to 9.0 N.m (80 Ib. ft).

  4. Evacuate and recharge the system using the J 43600  .
  5. Install the A/C compressor to the vehicle. Refer to COMPRESSOR REPLACEMENT (2.2L)  or COMPRESSOR REPLACEMENT (4.3L) .
    Fig 1: Identifying Pressure Relief Valve And Electrical Connector
    G01466870Courtesy of GENERAL MOTORS CORP.
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