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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 864 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Air Conditioning (A/C) Low Pressure Switch Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the new O-ring seal to the switch. Refer to O-Ring Replacement .
    2. Fig 1: A/C Low Pressure Switch
    GM660417Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  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  . See Special Tools .
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