GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2003 🢒 H2 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Mode Door Replacement - Lower

Removal Procedure
  1. Remove the HVAC module assembly. Refer to HVAC Module Assembly Replacement .

    2. Object Number: 826791 Size: SH
  2. Disconnect the electrical connector (3) from the mode actuator (4).
  3. Remove the screws from the mode actuator (4).
  4. Remove the mode actuator (4) from the HVAC module assembly (1).
  5. Remove the wiring harness from the air distribution housing (1).

    6. Object Number: 826798 Size: SH
  6. Remove the screws from the air distribution housing (1).
  7. Remove the air distribution housing (1) from the HVAC module assembly (2).

    8. Object Number: 826792 Size: SH
  8. Remove the mode door (2) from the air distribution housing (1).

Installation Procedure

    Object Number: 826792 Size: SH
  1. Install the mode door (2) to the air distribution housing (1).

    2. Object Number: 826798 Size: SH
  2. Install the air distribution housing (1) to the HVAC module assembly (2).

    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 air distribution housing (1).

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

  4. Install the wiring harness to the air distribution housing (1).

    5. Object Number: 826791 Size: SH
  5. Connect the electrical connector (3) to the mode actuator (4).
  6. Install the screws to the mode actuator (4).
  7. Install the mode actuator (4) to the HVAC module assembly (1).
  8. Install the HVAC module assembly. Refer to HVAC Module Assembly Replacement .