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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 >> Removal Procedure

Removal 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. Remove the instrument panel cluster trim panel. Refer to TRIM PANEL REPLACEMENT - INSTRUMENT PANEL (I/P) CLUSTER .
  2. Remove the screws from the HVAC control module.
    Fig 1: Removing Screws From HVAC Control Module
    G01482299Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the electrical connectors from the HVAC control module.
  4. Disconnect the vacuum connectors from the HVAC control vacuum valve.
  5. Remove the HVAC control module from the instrument panel.
  6. Remove the vacuum valve from the HVAC control module.
    Fig 2: Disconnecting Vacuum Connectors From HVAC Control Vacuum Valve
    G01482300Courtesy of GENERAL MOTORS CORP.