GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2003 🢒 H2 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Mode Valve Actuator Replacement

Removal Procedure

    Object Number: 810840 Size: SH
  1. Remove the push pin (5) from the HVAC module assembly (1).
  2. Remove the left floor duct (3) from the HVAC module assembly (1).

    3. Object Number: 826791 Size: SH
  3. Disconnect the electrical connector (3) from the mode actuator (4).
  4. Remove the screws from the mode actuator (4).
  5. Remove the mode actuator (4) from the HVAC module assembly (1).
  6. Remove the cam (2) from the HVAC module assembly (1).

Installation Procedure

    Object Number: 826791 Size: SH
  1. Install the cam (2) to the HVAC module assembly (1).
  2. Install the mode actuator (4) to the HVAC module assembly (1).

    3. 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.

  3. Install the screws to the mode actuator (4).

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

  4. Connect the electrical connector (3) to the mode actuator (4).

    5. Object Number: 810840 Size: SH
  5. Install the left floor air outlet duct (3) to the HVAC module assembly (1).
  6. Install the push pin (5) to the HVAC module assembly (1).
  7. Reprogram the Right air temperature actuator. Refer to Actuator Recalibration .