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.
2009 Hummer H3 Base, AutomaticFACTORY OEM SERVICE PROCEDURE
End Play Specifications
Transmission End Play Washer Selection Chart
| Identification | Washer Thickness (mm) | Washer Thickness (in) |
|---|---|---|
| 67 | 1.87-1.97 | 0.074-0.078 |
| 68 | 2.04-2.14 | 0.080-0.084 |
| 69 | 2.21-2.31 | 0.087-0.091 |
| 70 | 2.38-2.48 | 0.094-0.098 |
| 71 | 2.55-2.65 | 0.100-0.104 |
| 72 | 2.72-2.82 | 0.107-0.111 |
| 73 | 2.89-2.99 | 0.113-0.117 |
| 74 | 3.06-3.16 | 0.120-0.124 |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.