GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 TrailBlazer - 2WD 🢒 HVAC 🢒 HVAC - Automatic 🢒 Air Inlet Valve Actuator Replacement

Removal Procedure
  1. Remove the HVAC module assembly. Refer to HVAC Module Assembly Replacement .
  2. Remove the screws from the air inlet assembly.
  3. Remove the air inlet assembly.

    4. Object Number: 651483 Size: SH
  4. Disconnect the recirculation actuator electrical connector
  5. Remove the recirculation actuator screws.
  6. Remove the recirculation actuator.

Installation Procedure

    Object Number: 651483 Size: SH
  1. Install the recirculation actuator.
  2. Install the air inlet assembly.

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

  3. Install the recirculation actuator screws.

    4. Tighten
    Tighten the screws to 1.9 N·m (17 lb in).

  4. Connect the recirculation actuator electrical connector.
  5. Install the HVAC module assembly. Refer to HVAC Module Assembly Replacement .
  6. Recalibrate the recirculation actuator on vehicles equipped with automatic climate control (C68). Refer to Actuator Recalibration .