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
Fastener Tightening Specifications
Fastener Tightening Specifications
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Idler Arm to Frame Nut | 120 N.m | 89 lb ft |
| Idler Arm to Relay Rod Nut | 60 N.m | 44 lb ft |
| Inner Tie Rod to Relay Rod | 100 N.m | 74 lb ft |
| Pitman Arm to Relay Rod Nut | 60 N.m | 44 lb ft |
| Pitman Arm to Steering Gear Nut | 250 N.m | 184 lb ft |
| Steering Dampener to Frame Bracket Nut | 40 N.m | 30 lb ft |
| Steering Dampener to Relay Rod Nut | 40 N.m | 30 lb ft |
| Outer Tie Rod Jam Nut | 68 N.m | 50 lb ft |
| Tie Rod to Steering Knuckle Nut | 60 N.m | 44 lb ft |
Factory Service Tools
Use the Manual With the Right Hardware
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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.