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.
SIR Identification Views: Avalanche/Escalade/Suburban/Tahoe/Yukon
2009 Chevrolet Tahoe Base, 4.8 CSECTION Avalanche/Escalade/Suburban/Tahoe/Yukon
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
| Callout | Component Name |
|---|---|
| 1 | Right Front Impact Sensor-Located on the front frame crossmember |
| 2 | Battery-Located under the hood on the right side |
| 3 | Passenger Instrument Panel Air Bag-Located at the right front of the instrument panel cluster (IPC) |
| 4 | Right Front Side Impact Sensor (SIS)-Located under the right front door trim near the lower rear of the door frame |
| 5 | Passenger Seat Position Sensor (SPS)-Located on the right front outboard seat track |
| 6 | Passenger Presence System (PPS)-Located under the right front seat mounted to the seat frame |
| 7 | Passenger Seat Belt Retractor Pretensioner-Located on the right front B Pillar |
| 8 | Right Rear Side Impact Sensor (SIS)-Located under the right rear door trim near the lower rear of the door frame |
| 9 | Passenger Seat Side Air Bag-Located on the seat back of the passenger seat |
| 10 | Right Roof Rail Air Bag-Located in the headliner |
| 11 | Left Roof Rail Air Bag-Located in the headliner |
| 12 | Inflatable Restraint Sensing and Diagnostic Module (SDM)-Located under the center console |
| 13 | Driver Seat Side Air Bag-Located on the seat back of the driver seat |
| 14 | Left Rear Side Impact Sensor (SIS)-Located under the left rear door trim near the lower rear of the door frame |
| 15 | Driver Seat Belt Retractor Pretensioner-Located on the left front B Pillar |
| 16 | Driver Seat Position Sensor (SPS)-Located on the right front inboard seat track |
| 17 | Left Front Side Impact Sensor (SIS)-Located under the left front door trim near the lower rear of the door frame |
| 18 | Driver Steering Wheel Air Bag-Located on the steering wheel |
| 19 | Underhood Fuse Block and Auxiliary Battery-Located under the hood on the left side |
| 20 | Left Front Impact Sensor-Located on the front frame crossmember |
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.