GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 2003 🢒 Ascender - 4WD 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Recirculation Door Replacement

Removal Procedure
  1. Remove the HVAC module assembly. Refer to HVAC Module Assembly Replacement .
  2. Remove the screws retaining the recirculation assembly to the HVAC module assembly.
  3. Remove the screws from the recirculation actuator.
  4. Remove recirculation actuator.

    5. Object Number: 735975 Size: SH
  5. Remove the recirculation door (1) from the recirculation assembly.

Installation Procedure

    Object Number: 735975 Size: SH
  1. Install the recirculation door (1) to the recirculation assembly.
  2. Install the recirculation actuator.

    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 recirculation actuator.

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

  4. Install the screws to assemble the recirculation assembly.

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

  5. Install the HVAC module assembly. Refer to HVAC Module Assembly Replacement .