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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1594 (Interior Trim) >> Repair Instructions >> Headliner Replacement (TrailBlazer EXT & Envoy XL) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 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. If the vehicle is equipped with a sunroof, partially raise the headliner and connect the sunroof assembly electrical connector.
    3. Fig 1: Sunroof Assembly Electrical Connector (TrailBlazer EXT & Envoy XL)
    G01642073Courtesy 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. Fig 2: Right Rear Push Pin (TrailBlazer EXT & Envoy XL)
    G01642074Courtesy of GENERAL MOTORS CORP.
  7. Install the 3 push pins in the center of the headliner.
  8. Install the sunshades to the headliner. Refer to SUNSHADE REPLACEMENT  .
    NOTE: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
  9. Install the left and right sunshade retaining clips (5).

    Tighten 

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

    10. Fig 3: Auxiliary Air Conditioning Duct To Vehicle With Bolt (TrailBlazer EXT & Envoy XL)
    G01642075Courtesy 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. Connect the coax cable (1) to the navigation antenna, if equipped.
    12. Fig 4: Rain Sensor Electrical Connector (TrailBlazer EXT & Envoy XL)
    G01642076Courtesy of GENERAL MOTORS CORP.
  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. Refer to VIDEO DISPLAY REPLACEMENT .
  16. If equipped, install the front and rear overhead console. Refer to OVERHEAD CONSOLE REPLACEMENT - FRONT  , or to OVERHEAD CONSOLE REPLACEMENT - REAR  .
  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. Connect the cellular antenna coax cable to the inner coupling on the left body side window. Refer to COUPLING REPLACEMENT - ANTENNA INNER in Cellular Communication.
  22. Install the headliner harness to the left third pillar.
  23. Install the headliner harness to the floor studs.
    24. Fig 5: Headliner Harness To Floor Studs (TrailBlazer EXT & Envoy XL)
    G01642077Courtesy of GENERAL MOTORS CORP.
  24. 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).

  25. Reach underneath the carpet and install the 6-way headliner harness electrical connector (1) to the cross-body wire harness.
    26. Fig 6: 6-Way Headliner Harness Electrical Connector To Cross-Body Wire Harness (TrailBlazer EXT & Envoy XL)
    G01642078Courtesy of GENERAL MOTORS CORP.
  26. Pass the communication interface module electrical connectors through the small hole in the carpet.
  27. Install the headliner harness retaining clips to the rocker panel and the floor panel.
  28. If equipped with OnStar® perform the following procedure:
    1. 28.1. Install the navigation antenna cable to the right 'C' pillar.
    2. 28.2. Install the navigation antenna cable to the floor studs.
    29. Fig 7: Navigation Antenna Cable To Floor Studs (TrailBlazer EXT & Envoy XL)
    G01642079Courtesy of GENERAL MOTORS CORP.
  29. Install the body electrical block. Refer to REAR ELECTRICAL CENTER OR JUNCTION BLOCK REPLACEMENT in Wiring Systems.
  30. Install the rear carpet. Ensure that the carpet hooks over the left wheelhouse panel stud.
    31. Fig 8: Rear Carpet (TrailBlazer EXT & Envoy XL)
    G01642080Courtesy of GENERAL MOTORS CORP.
  31. Connect the electrical connector to the left-hand body side window actuator.
  32. Connect the electrical connector to the right-hand body side window actuator.
    33. Fig 9: Electrical Connector To Right-Hand Body Side Window Actuator (TrailBlazer EXT & Envoy XL)
    G01642081Courtesy of GENERAL MOTORS CORP.
  33. Install the nut (1) securing the stowage jack carrier to the wheelhouse panel.
    34. Fig 10: Nut Securing Stowage Jack Carrier To Wheelhouse Panel (TrailBlazer EXT & Envoy XL)
    G01642082Courtesy of GENERAL MOTORS CORP.
  34. 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)  .

  35. 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)  .
  36. 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)  .
  37. Install the left/right front body side window garnish molding. Refer to GARNISH MOLDING REPLACEMENT - BODY SIDE WINDOW - FRONT (TRAILBLAZER EXT & ENVOY XL)  .
  38. Install the lift gate door sill plate. Refer to DOOR SILL PLATE REPLACEMENT - LIFT GATE  .
  39. Install the cargo tie-down loops.

    Tighten 

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

  40. 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)  .
  41. Install the second row seats. Refer to SEAT REPLACEMENT - REAR NO. 1 (TRAILBLAZER EXT & ENVOY XL) in Seats.
  42. Install the third row seats.
  43. Install the luggage/cargo shade assembly, if equipped.
  44. Install the cargo net, if equipped.
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