Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation Procedure
  1. Align the ignition lock cylinder case assembly (1) with the steering column tilt head assembly.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  2. Secure the ignition lock cylinder case assembly (1) to the steering column using 3 pan head tapping screws (2).

    Tighten 

    Tighten the screws to 7 N.m (62 lb in).

  3. Install the ignition switch assembly. Refer to IGNITION SWITCH REPLACEMENT   . 
  4. Install the turn signal cancel cam and upper bearing. Refer to TURN SIGNAL CANCEL CAM AND STEERING SHAFT UPPER BEARING SPRING REPLACEMENT   . 
  5. Enable the SIR system. Refer to DISABLING & ACTIVATING AIR BAG SYSTEM in Air Bag Restraint Systems.
    Fig 1: Installing Ignition Lock Cylinder Case To Steering Column
    G01597192Courtesy 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.