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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1769 (WIRING SYSTEMS AND POWER MANAGEMENT - INTRODUCTION)REPAIR INSTRUCTIONSIGNITION LOCK CYLINDER CASE REPLACEMENTREMOVAL PROCEDURE
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Removal Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Removal Procedure
WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disable the SIR system. Refer to SIR Disabling and Enabling .
  2. Remove the steering wheel. Refer to Steering Wheel Replacement .
  3. Remove the steering column trim covers. Refer to Steering Column Trim Covers Replacement .
  4. Remove the multifunction levers. Refer to Turn Signal Multifunction Switch Replacement .
    5. Fig 1: View Of Ignition Housing Electrical Connectors
    GM928832Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the housing electrical connectors.
    6. Fig 2: View Of Lock Housing Bolts
    GM928840Courtesy of GENERAL MOTORS CORP.
  6. Disengage the retaining tabs and remove the park lock cable assembly from the housing.
  7. Remove the lock housing bolts.
  8. Turn the ignition key to the ACC position.
    9. Fig 3: View Of Ignition Housing & Multi-Function Bracket
    GM931160Courtesy of GENERAL MOTORS CORP.
  9. Separate the lock housing (lock cylinder case) from the multifunction lever bracket. Slide the bracket from the column.
  10. Remove the ignition switch screws.
  11. Remove the ignition switch.
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.