GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2002 🢒 Savana 🢒 Body and Accessories 🢒 Interior Trim 🢒 Heater and Air Conditioning Control Replacement

Removal Procedure
  1. Remove the instrument cluster trim plate. Refer to Instrument Panel Cluster Trim Plate Bezel Replacement in Instrument Panel, Gages and Console.

    2. Object Number: 301678 Size: SH
  2. Remove the retaining screw (1) from the left edge of the HVAC control assembly (2).

    3. Object Number: 301662 Size: SH
  3. Pivot the HVAC control assembly from the instrument panel in order to disengage the tab on the right side of the HVAC control asembly.

    4. Object Number: 301661 Size: SH
  4. Pull the HVAC control assembly out of the instrument panel far enough to reach the vacuum and the electrical connectors.
  5. Disconnect the electrical connectors.
  6. Disconnect the vacuum connectors.

Installation Procedure

    Object Number: 301661 Size: SH
  1. Connect the vacuum connectors.
  2. Connect the electrical connectors.

    3. Object Number: 301662 Size: SH
  3. Install the HVAC control assembly to the instrument panel by the following procedures:
  4. Align the tab on the right side of the HVAC control assembly with the slot in the instrument panel.
  5. Pivot the HVAC control assembly into the instrument panel.

    6. 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.


    Object Number: 301678 Size: SH
  6. Install the retaining screw (1) to the left edge of the HVAC control assembly.

    7. Tighten
    Tighten the screw to 4 N·m (35 lb in).

  7. Install the instrument cluster trim plate. Refer to Instrument Panel Cluster Trim Plate Bezel Replacement in Instrument Panel, Gages and Console.