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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 798 (HVAC Systems - Manual) >> Repair Instructions >> HVAC Control Module Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: HVAC Control Module
    GM735898Courtesy of GENERAL MOTORS CORP.
  1. Remove the I/P accessory trim plate. Refer to TRIM PLATE REPLACEMENT - INSTRUMENT PANEL (I/P) ACCESSORY (CHEVROLET) or TRIM PLATE REPLACEMENT - INSTRUMENT PANEL (I/P) ACCESSORY (OLDSMOBILE) or BEZEL REPLACEMENT - INSTRUMENT PANEL (I/P) CLUSTER (CHEVROLET) or BEZEL REPLACEMENT - INSTRUMENT PANEL (I/P) CLUSTER (GMC/OLDSMOBILE) in Instrument Panel, Gages and Console.
  2. Remove the control module retaining screws.
  3. Depress the HVAC control module retaining tabs (3) and remove the HVAC control module (2) from the instrument panel (4).
  4. Disconnect the electrical connectors (1) from the HVAC control module (2).