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Installation Procedure

WARNING: This page is about a different car, the 2004 Cadillac Seville. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying HVAC Retaining Nuts
    GM288103Courtesy of GENERAL MOTORS CORP.
  1. Install the HVAC control module to the bracket.
    2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the HVAC control module retaining nuts.

    Tighten:  Tighten the nuts to 10 N.m (88 lb in).

    3. Fig 2: View of HVAC Control Module & Radio
    GM287812Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The ignition must be in the OFF position when connecting the electrical connectors to ensure proper actuator calibration.
  3. Connect the electrical connectors to the HVAC control module and the radio.
  4. Install the HVAC control module and radio to the vehicle.
    5. Fig 3: View of Instrument Panel Center Trim Plate
    GM287815Courtesy of GENERAL MOTORS CORP.
  5. Install the HVAC control module bracket fasteners.
  6. Install the console trim plate. Refer to Trim Plate Replacement - Console in Instrument Panel, Gages and Console.
  7. Install the instrument panel center trim panel. Refer to Trim Panel Replacement - Instrument Panel (I/P) Center in Instrument Panel, Gages and Console.
    8. IMPORTANT: Do not adjust any controls on the HVAC control module while the HVAC control module is self-calibrating. If interrupted improper HVAC performance will result.
    The engine must be running for proper calibration to occur.
  8. Start the engine and let run for one minute.
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