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Home >> Pontiac >> 2004 >> Aztek Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 122 (HVAC Systems - Automatic) >> Repair Instructions >> HVAC Control Module Replacement >> Removal Procedure
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Removal Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the I/P accessory trim plate. Refer to Trim Plate Replacement - Instrument Panel (I/P) Accessory (GMC) or Trim Plate Replacement - Instrument Panel (I/P) Accessory (Oldsmobile/Buick) or Bezel Replacement - Instrument Panel (I/P) Cluster (Chevrolet) or Bezel Replacement - Instrument Panel (I/P) Cluster (GMC/Oldsmobile/Buick) in Instrument Panel, Gages and Console.
  2. Remove the HVAC control module screws.
    Fig 1: HVAC Control Module
    GM735898Courtesy of GENERAL MOTORS CORP.
  3. Depress the HVAC control module tabs (3) and remove the HVAC control module (2) from the I/P (4).
  4. Disconnect the electrical connectors (1) from the HVAC control module (2).