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.
2008 Hummer H3 Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Wheel Alignment Specifications
WARNING: This page is about a different car, the 2009 GMC Canyon and 2009 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
| Suspension Options | Caster | Cross Caster (L - R) | Camber | Cross Camber (L-R) | Total Toe | Steering Wheel Angle | |
|---|---|---|---|---|---|---|---|
| Left | Right | ||||||
| 4X2 w/o RPO ZQ8, Z71 | 4.30° ± 1.00° | 4.50° ± 1.00° | -0.20° ± 0.50° | 0.00° ± 0.50° | 0.00° ± 0.50° | 0.00° ± 0.10° | -1.0° ± 3.50° |
| 4X2 With RPO ZQ8/QDG (18" tire) |
4.20° ± 1.00° | 4.70°± 1.00° | -0.50° ± 0.50° | 0.00° ± 0.50° | 0.00° ± 0.50° | 0.00° ± 0.10° | -1.0° ± 3.50° |
| 4X2 With RPO Z71 | 3.60° ± 1.00° | 4.00° ± 1.00° | -0.40° ± 0.50° | 0.00° ± 0.50° | 0.00° ± 0.50° | 0.00° ± 0.10° | -1.0° ± 3.50° |
| 4X4 With RPO Z71 | 3.60° ± 1.00° | 4.00° ± 1.00° | -0.40° ± 0.50° | 0.00° ± 0.50° | 0.00° ± 0.50° | 0.00° ± 0.10° | -1.0° ± 3.50° |
| 4X4 w/o RPO Z71 | 3.80° ± 1.00° | 4.00° ± 1.00° | -0.20° ± 0.50° | 0.00° ± 0.50° | 0.00° ± 0.50° | 0.00° ± 0.10° | -1.0° ± 3.50° |
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.