GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2002 🢒 Envoy - 2WD 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Mode Control Cam Replacement

Removal Procedure
  1. Remove the I/P carrier. Refer to Instrument Panel Carrier Replacement in Instrument Panel, Gages, and Console.

    2. Object Number: 735989 Size: SH
  2. Disconnect the electrical connector from the mode actuator.
  3. Remove the screws from the mode actuator (3).
  4. Remove the mode actuator.

Installation Procedure

    Object Number: 735989 Size: SH
  1. Install the mode actuator (3).

    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 screws to the mode actuator (3).

    3. Tighten
    Tighten the screws to 1.9 N·m (18 lb in).

  3. Install the I/P carrier. Refer to Instrument Panel Carrier Replacement in Instrument Panel, Gages and Console.