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.
2003 Hummer H2FACTORY OEM SERVICE PROCEDURE
Torque Specifications
WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
TORQUE SPECIFICATIONS
| Application | Ft. Lbs. (N.m) |
|---|---|
| Battery Negative Cable Bolt | 12 (16) |
| Exhaust Muffler Bolts | 37 (50) |
| Exhaust Manifold Nuts | 15 (20) |
| Exhaust Pipe Bolts | 37 (50) |
| Exhaust Pipe Hanger Bolts | 37 (50) |
| Oxygen Sensors | 30 (42) |
| Starter Motor Bolts | 37 (50) |
| INCH Lbs. (N.m) | |
| Positive Battery Cable Nut | 71 (8) |
| S Terminal Nut | 35 (4) |
Factory Service Tools
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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.
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