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 146 (SUPPLEMENTAL INFLATABLE RESTRAINT SYSTEM)COMPONENT LOCATIONS
2003 Chevrolet TrailBlazer 4.2 S, 4WD
Component Locations
2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Component Locations
WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
COMPONENT LOCATIONS
| Component | Location |
|---|---|
| AIR BAG warning light | In Instrument Panel Cluster (IPC) |
| Driver-side air bag module | On steering wheel |
| Front end discriminating sensor | On lower front frame rail, behind air deflector |
| Knee bolsters | Driver-side & passenger-side lower instrument panel |
| Passenger-side air bag module | Passenger-side instrument panel |
| Sensing & Diagnostic Module (SDM) | Under rear of center console |
| Side impact air bag module | Driver-side & passenger-side front seat outer seat backs |
| SIR coil assembly | Under steering wheel |
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.