Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1412 (SUPPLEMENTAL INFLATABLE RESTRAINT SYSTEM)REPAIR INSTRUCTIONSINFLATABLE RESTRAINT STEERING WHEEL MODULE COIL REPLACEMENTINSTALLATION PROCEDURE
2003 Chevrolet TrailBlazer 4.2 S, 4WD
Installation Procedure
2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation 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.
- If necessary, install the wave washer (1).
- Align the block tooth on the steering shaft assembly (1) to the 12 o'clock position.
- If installing the existing inflatable restraint steering wheel module coil, the coil must be centered first. Refer to Inflatable Restraint Steering Wheel Module Coil Centering in Steering Wheel and Column.
- Align the inflatable restraint steering wheel module coil (2) with the horn tower sticking through the shaft lock or cam orientation plate (1).
- Slide the steering wheel module coil (2) onto the steering shaft assembly.
- Remove and discard the centering tab from the coil.
IMPORTANT:
A new inflatable restraint steering wheel module coil is pre-centered. Do not remove the centering tab from the new inflatable restraint steering wheel module coil until installation is complete.
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.