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

Removal Procedure
  1. Remove the instrument panel carrier. Refer to Instrument Panel Carrier Replacement.

    2. Object Number: 691864 Size: SH
  2. Disconnect the vacuum hose from the lower mode actuator (2).
  3. Remove the lower mode actuator (2) from the heater assembly (4).
  4. Remove the linkage from the lower mode actuator (2).
  5. Remove the heater case screws.
  6. Remove the outer heater case.

    7. Object Number: 691852 Size: SH
  7. Remove the lower mode door (1) from the inner heater case (2).

Installation Procedure

    Object Number: 691852 Size: SH
  1. Install the lower mode door (1) to the inner heater case (2).
  2. Install the outer heater case.

    3. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the heater case retaining screws and tighten to 1.9 N·m (17 lb in).

    4. Object Number: 691864 Size: SH
  4. Install the linkage to the lower mode actuator (2).
  5. Install the lower mode actuator (2) to the heater assembly.
  6. Connect the vacuum hose to the lower mode actuator (2).
  7. Install the instrument panel carrier. Refer to Instrument Panel Carrier Replacement.