GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2002 🢒 Eldorado 🢒 Body and Accessories 🢒 Body Control System 🢒 HVAC Control Module Replacement

Removal Procedure
  1. Remove the radio. Refer to Radio Replacement in Entertainment.
  2. Remove the HVAC control module.

    3. Object Number: 411132 Size: SH
  3. Remove the nuts from the bracket that connects the radio and HVAC control module.

Installation Procedure

    Object Number: 411132 Size: SH
  1. Install the HVAC control module to the radio brackets.

    2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  2. Install the nuts.

    3. Tighten
    Tighten the nuts to 6 N·m (53 lb in).

  3. Install the radio. Refer to Radio Replacement in Entertainment.
  4. Install the HVAC control module.
  5. Recalibrate the actuators. Refer to Actuator Recalibration .