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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 840 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Air Conditioning (A/C) Low Pressure Switch Replacement >> Installation Procedure

Installation Procedure

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  1. Install the new O-ring seal to the switch. Refer to O-RING REPLACEMENT 
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  2. Install the A/C low pressure switch to the accumulator.

    Tighten 

    Tighten the switch to 6 N.m (53 lb in).

  3. Connect the electrical connector to the A/C low pressure switch.
  4. Leak test the fittings of the components using the J 39400-A  .
    Fig 1: Installing Air Conditioning Low Pressure Switch
    G01454244Courtesy of GENERAL MOTORS CORP.