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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1433 (Sunroof System) >> Repair Instructions >> Sunroof Motor/Actuator Replacement (New Style MD4) >> 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.
    Fig 1: Identifying Sunroof Motor/Actuator (New Style MD4)
    GM1542793Courtesy of GENERAL MOTORS CORP.
  1. Align the splines on the sunroof motor/actuator shaft with the drive gear on the sunroof module assembly.
  2. Install the sunroof motor/actuator (2) to the mounting bracket, ensuring that the sunroof motor/actuator is fully seated.
  3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Install the screws (1) that retain the sunroof motor/actuator (2) to the mounting bracket.

    Tighten:  Tighten the sunroof motor/actuator screws to 3 N.m (27 lb in).

  5. Connect the sunroof motor/actuator wiring harness electrical connector.
  6. Install the tie strap retaining the sunroof motor/actuator wiring harness.
  7. Install the headliner. Refer to Headliner Replacement (TrailBlazer, Envoy, Bravada) , Headliner Replacement (TrailBlazer EXT, Envoy XL) or Headliner Replacement (Envoy XUV) in Interior Trim.
  8. Perform the Initialization/Teach Procedure. Refer to Sunroof Motor/Actuator Initilization/Teach Process (New Motor)  or Sunroof Motor/Actuator Initilization/Teach Process (Existing Motor) .