LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Pontiac >> 2003 >> Aztek AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 707 (HVAC Systems - Automatic) >> Repair Instructions >> HVAC Control Module Replacement >> Installation Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Installation Procedure

WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: The key should be in the off position when connecting the electrical connectors to ensure proper calibration.
  1. Connect the electrical connectors.
    Fig 1: Connecting HVAC Control Module Electrical Connector
    G01569013Courtesy of GENERAL MOTORS CORP.
  2. Install the HVAC control module.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  3. Install the HVAC control module mounting screws.

    Tighten 

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

    Fig 2: Removing HVAC Control Module & Mounting Screws
    G01569014Courtesy of GENERAL MOTORS CORP.
  4. Install the front floor console. Refer to CONSOLE REPLACEMENT - FRONT FLOOR (D06) in Instrument Panel, Gages, and Console.
    IMPORTANT: Do not adjust any controls on the HVAC control module while the HVAC control module is calibrating. If interrupted improper HVAC performance will result.
  5. Start the engine and run for one minute.