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.
2007 Hummer H3 AutomaticFACTORY OEM SERVICE PROCEDURE
Installation Procedure
- Slide the multifunction turn signal switch onto the steering column.
IMPORTANT:
A new multifunction turn signal switch will come precentered with a centering tab attached. Do NOT remove the centering tab until installation is complete. Failure to follow procedure will cause a misalignment of the multifunction turn signal switch and centering will be required.
If reusing the existing multifunction turn signal switch, you must center it. Refer to Inflatable Restraint Steering Wheel Module Coil Centering .
If reusing the existing multifunction turn signal switch, you must center it. Refer to Inflatable Restraint Steering Wheel Module Coil Centering .
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.