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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1410 (Interior Trim) >> Repair Instructions >> Headliner Replacement (TrailBlazer EXT, Envoy XL) >> 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. With the aid of an assistant, install the headliner into the vehicle.
    2. Fig 1: Accessing Sunroof Assembly Electrical Connector
    GM749612Courtesy of GENERAL MOTORS CORP.
  2. If the vehicle is equipped with a sunroof, partially raise the headliner and connect the sunroof assembly electrical connector.
    3. Fig 2: Removing/Installing Headliner Push Pins
    GM798358Courtesy of GENERAL MOTORS CORP.
  3. With the aid of an assistant, fully raise the headliner and ensure that the retaining strips (1) are engaged, and the headliner harnesses (4) hang free of the headliner.
  4. Install the assist handles to the roof panel. Refer to Assist Handle Replacement .
  5. Install the right rear push pin (2).
  6. Install the left rear push pin (3).
  7. Install the 3 push pins in the center of the headliner.
  8. Install the sunshades to the headliner. Refer to Sunshade Replacement .
    9. NOTE: Refer to Fastener Notice in Cautions and Notices.
  9. Install the left and right sunshade retaining clips (5).

    Tighten:  Tighten the sunshade retaining clip screws to 10 N.m (88 lb in).

    10. Fig 3: Removing/Installing Auxiliary Air Conditioning Duct
    GM828095Courtesy of GENERAL MOTORS CORP.
  10. Install the auxiliary air conditioning duct to the vehicle with the bolt.

    Tighten:  Tighten the auxiliary air conditioning duct bolt to 10 N.m (88 lb in).

    11. Fig 4: Identifying Electrical Connections At Inside Rear View Mirror
    GM828097Courtesy of GENERAL MOTORS CORP.
  11. Connect the coax cable (1) to the navigation antenna, if equipped.
  12. Connect the rain sensor electrical connector (2), if equipped.
  13. Connect the inside rear view mirror electrical connector (3).
  14. Install the windshield rearview mirror wire harness cover.
  15. Install the video display, if equipped. Refer to Video Display Replacement in Entertainment.
  16. If equipped, install the overhead console. Refer to Console Replacement - Overhead (TrailBlazer, Envoy, Bravada)  or Console Replacement - Overhead (Envoy XUV) .
  17. Install the windshield garnish moldings. Refer to Garnish Molding Replacement - Windshield Pillar .
  18. Install the center pillar trim panels. Refer to Garnish Molding Replacement - Center Pillar .
  19. Install the front side door sill plates. Refer to Door Sill Plate Replacement - Front .
  20. Install the right sound insulator. Refer to Closeout/Insulator Panel Replacement - Instrument Panel (I/P) Lower (GMC/Chevrolet) in Instrument Panel, Gages, and Console.
    21. Fig 5: View Of Headliner Harness At Left-Hand Third Pillar
    GM798356Courtesy of GENERAL MOTORS CORP.
  21. Install the headliner harness to the left third pillar.
  22. Install the headliner harness to the floor studs.
  23. Install the ground terminals and the ground bolt to the left center pillar.

    Tighten:  Tighten the ground bolt to 10 N.m (88 lb in).

    24. Fig 6: Locating 6-Way Headliner Harness Electrical Connector
    GM828099Courtesy of GENERAL MOTORS CORP.
  24. Reach underneath the carpet and install the 6-way headliner harness electrical connector (1) to the cross-body wire harness.
  25. Pass the communication interface module electrical connectors through the small hole in the carpet.
  26. Install the headliner harness retaining clips to the rocker panel and the floor panel.
    27. Fig 7: View Of Navigational Antenna Cable At Right-Hand Third Pillar
    GM798355Courtesy of GENERAL MOTORS CORP.
  27. If equipped with OnStar® perform the following procedure:
    1. Install the navigation antenna cable to the right 'C' pillar.
    2. Install the navigation antenna cable to the floor studs.
  28. Install the body electrical block. Refer to Rear Electrical Center or Junction Block Replacement in Wiring Systems.
    29. Fig 8: Locating Left Wheelhouse Panel Stud
    GM798360Courtesy of GENERAL MOTORS CORP.
  29. Install the rear carpet. Ensure that the carpet hooks over the left wheelhouse panel stud.
    30. Fig 9: Identifying Right-Hand Body Side Window Actuator Electrical Connector
    GM798357Courtesy of GENERAL MOTORS CORP.
  30. Connect the electrical connector to the left-hand body side window actuator.
  31. Connect the electrical connector to the right-hand body side window actuator.
    32. Fig 10: Identifying Stowage Jack Carrier To Wheelhouse Panel Nut
    GM798354Courtesy of GENERAL MOTORS CORP.
  32. Install the nut (1) securing the stowage jack carrier to the wheelhouse panel.
  33. Install the right rear quarter lower trim panel. Refer to Trim Panel Replacement - Rear Quarter - Right (TrailBlazer, Envoy, Bravada)  or Trim Panel Replacement - Rear Quarter - Right (TrailBlazer EXT, Envoy XL) .
  34. Install the left rear quarter lower trim panel. Refer to Trim Panel Replacement - Rear Quarter - Left (TrailBlazer, Envoy, Bravada)  or Trim Panel Replacement - Rear Quarter - Left (TrailBlazer EXT, Envoy XL) .
  35. Install the left/right rear body side trim rear window garnish molding. Refer to Garnish Molding Replacement - Body Side Window - Rear (TrailBlazer EXT, Envoy XL) .
  36. Install the left/right front body side window garnish molding. Refer to Garnish Molding Replacement - Body Side Window - Front (TrailBlazer EXT, Envoy XL) .
  37. Install the lift gate door sill plate. Refer to Door Sill Plate Replacement - Liftgate .
  38. Install the cargo tie-down loops.

    Tighten:  Tighten the cargo tie-down loop bolts to 35 N.m (26 lb ft).

  39. Install the rear side door sill plates. Refer to Door Sill Plate Replacement - Rear (TrailBlazer, Envoy, Bravada)  or Door Sill Plate Replacement - Rear (TrailBlazer EXT, Envoy XL, Envoy XUV) .
  40. Install the second row seats. Refer to Seat Replacement - Rear No. 1 (TrailBlazer EXT, Envoy XL, Envoy XUV) in Seats.
  41. Install the third row seats, if equipped.
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