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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1418 (HVAC Systems - Automatic) >> Repair Instructions >> Mode Actuator Replacement - Auxiliary >> Installation Procedure

Installation Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the mode actuator (1) to the HVAC module-auxiliary.
    Fig 1: Auxiliary Mode Actuator From Auxiliary HVAC Module
    GM814584Courtesy of GENERAL MOTORS CORP.
    2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the screws to the mode actuator-auxiliary.

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

  3. Connect the electrical connector to the mode actuator-auxiliary (1).
  4. Install the right rear quarter trim panel. Refer to Trim Panel Replacement - Rear Quarter - Right (TrailBlazer, Envoy, Bravada) or Trim Panel Replacement - Rear Quarter - Right (TrailBlazer EXT, Envoy XL) in Interior Trim.
  5. Calibrate the HVAC module actuators. Refer to Re-Calibrating Actuators (Primary)  or Re-Calibrating Actuators (Auxiliary HVAC) .
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