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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1234 (HVAC Systems - Manual) >> Repair Instructions >> HVAC Control Vacuum Valve Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the vacuum valve to the HVAC control module.
  2. Connect the electrical connectors to the HVAC control module.
  3. Connect the vacuum connectors to the HVAC control vacuum valve.
    Fig 1: Connecting Vacuum Connectors To HVAC Control Vacuum Valve
    G01482301Courtesy of GENERAL MOTORS CORP.
  4. Install the HVAC control module to the instrument panel.
    NOTE: Refer to FASTENER NOTICE .
  5. Install the screws to the HVAC control module.

    Tighten 

    Tighten the screws to 2 N.m (18 lb ft).

  6. Install the instrument panel cluster trim panel. Refer to TRIM PANEL REPLACEMENT - INSTRUMENT PANEL (I/P) CLUSTER .
    Fig 2: Installing Screws To HVAC Control Module
    G01482302Courtesy of GENERAL MOTORS CORP.
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