Removal Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Removal Procedure
  1. Remove the center floor console. Refer to CONSOLE REPLACEMENT   . 
  2. Remove the instrument panel (IP). Refer to INSTRUMENT PANEL (I/P) ASSEMBLY REPLACEMENT   . 
  3. Remove the steering column with the steering wheel attached. Refer to STEERING COLUMN REPLACEMENT  in Steering Wheel and Column.
  4. Remove the floor console bracket. Refer to BRACKET REPLACEMENT - CONSOLE FLOOR   . 
  5. Remove the splice pack from the floor panel located on the right side of the HVAC center support bracket (5).
  6. Remove the HVAC center support bracket (5) from the HVAC module (2).
    Fig 1: Removing HVAC Center Support Bracket From HVAC Module
    G01640913Courtesy of GENERAL MOTORS CORP.
  7. Remove the side window defogger duct.
    Fig 2: Removing Side Window Defogger Duct
    G01640914Courtesy of GENERAL MOTORS CORP.
  8. Remove the instrument panel cluster (IPC) wire harness attachments (1) from the steering column support bracket and IP carrier.
  9. Remove the speaker wire harness attachments from the steering column support bracket and IP carrier.
    Fig 3: Removing Speaker Wire Harness Attachments
    G01640915Courtesy of GENERAL MOTORS CORP.
  10. Remove the IP wiring harness retaining screws (1) from the IP support brackets, located near the steering column support bracket.
    Fig 4: Removing Instrument Panel Wiring Harness Retaining Screws From Instrument Panel Support Brackets
    G01640916Courtesy of GENERAL MOTORS CORP.
  11. Remove the 2 bolts (1) located at the top of the steering column support bracket.
    Fig 5: Removing Steering Column Support Bracket Bolts From Top Of Steering Column
    G01640917Courtesy of GENERAL MOTORS CORP.
  12. Remove the 2 bolts (1) located underneath the steering column support bracket.
    Fig 6: Removing Steering Column Support Bracket Bolts From Bottom Of Steering Column
    G01640918Courtesy of GENERAL MOTORS CORP.
  13. Detach and remove the SIR harness from the IP carrier.
  14. Disconnect the radio antenna cable located near the blower motor.
  15. Detach and remove the IP wire harness from the right side of the IP carrier.
  16. Remove the radio harness form the IP carrier.
  17. Remove the temperature sensors from the ventilation ducts.
  18. Remove the transfer case control module from the steering column support bracket.
    Fig 7: Removing Transfer Case Control Module From Steering Column Support Bracket
    G01640919Courtesy of GENERAL MOTORS CORP.
  19. Remove the upper and lower bolts retaining the IP carrier to the right cowl side carrier bracket.
  20. Remove the center bolt (1) that retains the IP carrier to the right cowl side carrier bracket.
    Fig 8: Removing Right Cowl Side Carrier Bracket Center Bolt
    G01640920Courtesy of GENERAL MOTORS CORP.
  21. Remove the upper and lower bolts retaining the steering column support bracket to the left cowl side carrier bracket.
  22. Remove the center bolt (1) that retains the steering column support bracket to the left cowl side carrier bracket.
    Fig 9: Removing Left Cowl Side Carrier Bracket Center Bolt
    G01640921Courtesy of GENERAL MOTORS CORP.
  23. Remove the 6 nuts that retain the HVAC module to the IP carrier.
  24. Remove the IP carrier and steering column support bracket assembly from the vehicle and place on a clean prepared surface.
    Fig 10: Removing Instrument Panel Carrier & Steering Column Support Bracket Assembly
    G01640922Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

NO RELATED

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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.