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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) >> Removal Procedure

Removal 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. Ensure the ignition switch is in the LOCK position.
  2. 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.
  3. Remove the front door sill plates. Refer to Door Sill Plate Replacement - Front .
  4. 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, Envoy XUV) .
    5. 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.
  5. Remove the center pillar trim panels. Refer to Garnish Molding Replacement - Center Pillar .
  6. Remove the windshield garnish moldings. Refer to Garnish Molding Replacement - Windshield Pillar .
  7. Remove the overhead console, If equipped. Refer to Console Replacement - Overhead (TrailBlazer, Envoy, Bravada)  or Console Replacement - Overhead (Envoy XUV) .
  8. Remove the video display, if equipped. Refer to Video Display Replacement in Entertainment.
  9. Remove the sunshades from the headliner. Refer to Sunshade Replacement .
  10. Remove the sunshade retainer clips.
  11. Remove the third row seats, if equipped. Refer to Seat Replacement - Rear No. 2 in Seats.
  12. Remove the second row seats. Refer to Seat Replacement - Rear No. 1 (TrailBlazer EXT, Envoy XL, Envoy XUV) in Seats.
  13. Remove the left/right front body side window garnish molding. Refer to Garnish Molding Replacement - Body Side Window - Front (TrailBlazer EXT, Envoy XL) .
  14. Remove the left/right rear body side window garnish molding. Refer to Garnish Molding Replacement - Body Side Window - Rear (TrailBlazer EXT, Envoy XL) .
  15. Remove the lift gate door sill plate. Refer to Door Sill Plate Replacement - Liftgate .
  16. Remove 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) .
  17. Remove 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) .
  18. Remove the bolts from the cargo tie-down loops.
    19. Fig 1: Identifying Stowage Jack Carrier To Wheelhouse Panel Nut
    GM798354Courtesy of GENERAL MOTORS CORP.
  19. Remove the nut (1), securing the stowage jack carrier to the wheelhouse panel.
  20. Loosen the three bolts that secure the jack carrier to the vehicle.
  21. Remove the carpet from around the wheel stud.
  22. Remove the body electrical block. Refer to Rear Electrical Center or Junction Block Replacement in Wiring Systems.
    23. Fig 2: Locating Left Wheelhouse Panel Stud
    GM798360Courtesy of GENERAL MOTORS CORP.

  23. Peel the carpet forward and up over the front seats. Note that the carpet hooks around the wheel house panel stud.

    24. Fig 3: View Of Headliner Harness At Left-Hand Third Pillar
    GM798356Courtesy of GENERAL MOTORS CORP.
  24. Remove the headliner harness from the left-hand third pillar.
  25. Remove the headliner harness from the floor studs.
  26. Remove the third pillar headliner harness electrical connector from the body electrical block, and the block base from the floor panel. Refer to Rear Electrical Center or Junction Block Replacement in Wiring Systems.
    27. Fig 4: Locating 6-Way Headliner Harness Electrical Connector
    GM828099Courtesy of GENERAL MOTORS CORP.
  27. Reach underneath the carpet and disconnect the 6-way headliner harness electrical connector (1) from the cross-body wire harness.
    28. Fig 5: View Of Navigational Antenna Cable At Right-Hand Third Pillar
    GM798355Courtesy of GENERAL MOTORS CORP.
  28. Remove the navigational antenna cable from the right-hand third pillar.
  29. Remove the navigational antenna cable from the floor studs.
  30. Pull the communication interface module electrical connectors back through the hole in the carpet.
    31. Fig 6: Identifying Right-Hand Body Side Window Actuator Electrical Connector
    GM798357Courtesy of GENERAL MOTORS CORP.
  31. Disconnect the electrical connector from the right-hand body side window actuator.
  32. Disconnect the electrical connector from the left-hand body side window actuator.
    33. Fig 7: Identifying Electrical Connections At Inside Rear View Mirror
    GM828097Courtesy of GENERAL MOTORS CORP.
  33. Remove the windshield rearview mirror wire harness cover.
  34. Disconnect the inside rear view mirror electrical connector (3).
  35. Disconnect the rain sensor electrical connector (2), if equipped.
  36. Disconnect the coax cable (1) from the navigational antenna, if equipped.
    37. Fig 8: Removing/Installing Auxiliary Air Conditioning Duct
    GM828095Courtesy of GENERAL MOTORS CORP.
  37. Remove the bolt securing the auxiliary air conditioning duct to the vehicle.
    38. Fig 9: Removing/Installing Headliner Push Pins
    GM798358Courtesy of GENERAL MOTORS CORP.
  38. Remove the 2 push pins (2,3) from the rear of the headliner.
  39. Remove the 3 push pins from the rear of the headliner.
  40. Release the assist handles from the roof panel. Refer to Assist Handle Replacement .
  41. With the aid of an assistant, lower the headliner to release the interlocking strips (1) that retain the headliner to the roof panel.
    42. Fig 10: Accessing Sunroof Assembly Electrical Connector
    GM749612Courtesy of GENERAL MOTORS CORP.
  42. If the vehicle is equipped with a sunroof, partially lower the headliner and disconnect the sunroof assembly electrical connector.
  43. With the aid of an assistant, remove the headliner from the vehicle.
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