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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1501 (Interior Trim) >> Repair Instructions >> Headliner Replacement (Trailblazer, Envoy, Bravada) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ensure the ignition switch is in the LOCK position.
  2. Remove the cargo net, if equipped.
  3. Remove the luggage/cargo shelf assembly, if equipped.
  4. Remove the right sound insulator panel. Refer to Closeout/Insulator Panel Replacement - Instrument Panel (I/P) Lower (GMC/Chevrolet in Instrument Panel, Gages, and Console.
  5. Remove the front door sill plates. Refer to DOOR SILL PLATE REPLACEMENT-Front .
  6. Remove the rear door sill plates. Refer to Door Sill Plate Replacement - Rear (TrailBlazer, Envoy, Bravada)  or Door Sill Plate Replacement - Rear (TrailBlazer EXT, Envoy XL) ..
    7. NOTE: Remove the headliner and the headliner harness as an assembly. Do NOT cut or splice the headliner harness. Cutting or splicing the harness may damage the coax cable, resulting in poor radio performance.
  7. Remove the center pillar trim panels. Refer to GARNISH MOLDING REPLACEMENT-Center Pillar .
  8. Remove the windshield garnish moldings. Refer to Garnish Molding Replacement - Windshield Pillar 
  9. Remove the instrument panel (IP) trim pad. Refer to Trim Pad Replacement - Instrument Panel (I/P) Upper in Instrument Panel, Gages, and Console.
    10. Fig 1: View Of Radio Antenna Cable To Radio Extension Cable
    GM734416Courtesy of GENERAL MOTORS CORP.
  10. Open the IP compartment door and lower the door to the full down position.
  11. Disconnect the coax cable (2) and the headliner harness electrical connector (1), located near the bottom of the HVAC blower motor.
    12. Fig 2: Lower Rosebud And Headliner Harness Clips
    GM742811Courtesy of GENERAL MOTORS CORP.
  12. Remove the lower rosebud (2) that fastens the headliner harness to the cowl.
  13. Remove the 3 clips (1) retaining the headliner harness to the right windshield pillar.
  14. Attach a mechanic's wire to the end of the headliner harness.
  15. The wire harness is located in the cowl insulation access hole, behind the IP. In order to remove the wire harness, grasp the headliner harness near the bottom of the windshield and carefully pull upward.
  16. Leaving the mechanic's wire positioned behind the IP, remove the headliner harness from the mechanics wire.
  17. Remove the video display. Refer to Video Display Replacement .
  18. If equipped, remove the front and rear overhead console. Refer to OVERHEAD CONSOLE REPLACEMENT-Front  or OVERHEAD CONSOLE REPLACEMENT-Rear .
  19. Remove the sunshades from the headliner. Refer to Sunshade Replacement .
  20. If equipped with OnStar®, perform the following procedure:
    1. Disconnect the navigation antenna cable from the communication interface module. Refer to NAVIGATION CONTROL PROCESSOR BRACKET REPLACEMENT in Cellular Communication.
    2. Remove the navigation antenna cable from the right side door rocker panel attachments.
    3. Remove the navigation antenna cable from the right center pillar.
    21. Fig 3: Center Pillar Harness Clips And Ground Bolt
    GM742814Courtesy of GENERAL MOTORS CORP.
  21. Remove the following headliner harness clips from the left center pillar:
    • The center pillar harness clips (4)
    • The center pillar harness clips (3)
    • The center pillar harness clips (1)
  22. Remove the center pillar harness ground bolt (2).
  23. Remove the harness from the left center pillar.
    24. Fig 4: Locating Headliner Harness Retaining Clips At Rocker Panel & Floor Panel
    GM769746Courtesy of GENERAL MOTORS CORP.
  24. Remove the rear seats. Refer to Seat Back Replacement - Rear No. 1 (TrailBlazer, Envoy, Bravada) or Seat Back Replacement - Rear No. 1 (TrailBlazer, EXT, Envoy XL) , and to Seat Cushion Replacement - Rear No. 1 (TrailBlazer, Envoy, Bravada) in Seats.
  25. Remove the headliner harness retaining clips (2) from the rocker panel and floor panel.
  26. Remove the center pillar headliner harness electrical connector from the bussed electrical center, and the block base from the floor panel. Refer to Rear Electrical Center or Junction Block Replacement in Wiring Systems.
  27. Reach underneath the carpet and remove the headliner harness electrical connector (1) from the IP wire harness.
    28. Fig 5: Identifying Headliner Components
    GM720271Courtesy of GENERAL MOTORS CORP.
  28. Disconnect the inside rear view mirror electrical connector (6).
  29. Disconnect the rain sensor electrical connector, if equipped.
  30. Disconnect the navigation antenna electrical connector, if equipped.
  31. Remove the upper rear quarter trim panels. Refer to Trim Panel Replacement - Rear Quarter Upper (TrailBlazer, Envoy, Bravada) .
  32. Remove the coat hooks from the roof panel. Refer to Coat Hook Replacement .
  33. Disconnect the radio control module electrical connector from the right body side window. Refer to Radio Control Module Replacement in Entertainment.
  34. Disconnect the radio antenna module electrical connector from the left body side window. Refer to Radio Antenna Module Replacement in Entertainment.
  35. Disconnect the electrical connector from the cellular phone antenna. Refer to Coaxial Cable Replacement - Cellular Telephone (Envoy, Bravada) in Cellular Communication.
  36. Remove the 2 push pins from the rear of the headliner.
  37. Release the assist handles from the roof panel. Refer toAssist Handle Replacement .
  38. Fully recline the bucket seats.
  39. With the aid of an assistant, release the interlocking strips (1) that retain the headliner to the roof panel.
    40. Fig 6: Accessing Sunroof Assembly Electrical Connector
    GM749612Courtesy of GENERAL MOTORS CORP.
  40. If the vehicle is equipped with a sunroof, partially lower the headliner and disconnect the sunroof assembly electrical connector.
  41. With the aid of an assistant, remove the headliner from the vehicle.
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