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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISBODY & FRAMEWINDOWSDOOR SYSTEM, MIRROR SYSTEM & WINDOW SYSTEMREPAIR INSTRUCTIONSDOOR REPLACEMENT - SIDE REARREMOVAL PROCEDURE
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Removal Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Removal Procedure
  1. Remove the power window switch. Refer to POWER WINDOW SWITCH REPLACEMENT - REAR DOOR (CHEVROLET)   or POWER WINDOW SWITCH REPLACEMENT - REAR DOOR (GMC/OLDSMOBILE)   . 
  2. Remove the trim panel. Refer to TRIM PANEL REPLACEMENT - SIDE REAR DOOR   . 
  3. Remove the inner window belt sealing strip. Refer to SEALING STRIP REPLACEMENT - REAR DOOR WINDOW BELT INNER   . 
  4. Remove the outer window belt sealing strip. Refer to SEALING STRIP REPLACEMENT - REAR DOOR WINDOW BELT OUTER   . 
  5. Remove the upper sealing strip. Refer to SEALING STRIP REPLACEMENT - REAR DOOR UPPER   . 
  6. Remove the inside release handle. Refer to DOOR HANDLE REPLACEMENT - INSIDE   . 
  7. Remove the water deflector. Refer to WATER DEFLECTOR REPLACEMENT - REAR DOOR   . 
  8. Remove the speaker. Refer to SPEAKER REPLACEMENT - REAR DOOR  in Entertainment.
  9. Remove the window. Refer to WINDOW REPLACEMENT - REAR DOOR (TRAILBLAZER, ENVOY, BRAVADA)   or WINDOW REPLACEMENT - REAR DOOR (TRAILBLAZER EXT, ENVOY XL)   . 
  10. Remove the stationary window and run channel assembly. Refer to WINDOW WEATHERSTRIP RUN CHANNEL ASSEMBLY REPLACEMENT - REAR (TRAILBLAZER, ENVOY, BRAVADA)   or WINDOW WEATHERSTRIP RUN CHANNEL ASSEMBLY REPLACEMENT - REAR (TRAILBLAZER EXT, ENVOY XL)   . 
  11. Remove the window regulator. Refer to WINDOW REGULATOR REPLACEMENT - REAR DOOR (TRAILBLAZER, ENVOY, BRAVADA)   or WINDOW REGULATOR REPLACEMENT - REAR DOOR (TRAILBLAZER EXT, ENVOY XL)   . 
  12. Remove the door latch assembly. Refer to LATCH REPLACEMENT - REAR DOOR   . 
  13. Remove the outside door handle. Refer to DOOR HANDLE REPLACEMENT - REAR OUTSIDE (TRAILBLAZER EXT, ENVOY XL)   or  DOOR HANDLE REPLACEMENT - REAR OUTSIDE (TRAILBLAZER, ENVOY, BRAVADA)   . 
  14. Remove the check link. Refer to DOOR CHECK LINK REPLACEMENT   . 
  15. Remove the wire harness from the door. Refer to WIRING HARNESS REPLACEMENT - REAR DOOR   . 
  16. Remove the bolts that retain the door to the hinge plates.
  17. Remove the door from the vehicle with an assistant.
    18. Fig 1: Removing Bolts Retaining Side Rear Door To Hinge Plates
    G01641476Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.