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.
2006 Hummer H3 L5-3.5LFACTORY OEM SERVICE PROCEDURE
Ignition Switch: Service and Repair
The content of this article reflects the changes identified in TSB Bulletin No.: 06-02-35-011
Date: May 16, 2006
SERVICE MANUAL UPDATE
Subject:
Revised Ignition Switch Replacement
Models:
2004-2006 Chevrolet Colorado
2004-2006 GMC Canyon
2006 HUMMER H3


Date: May 16, 2006
SERVICE MANUAL UPDATE
Subject:
Revised Ignition Switch Replacement
Models:
2004-2006 Chevrolet Colorado
2004-2006 GMC Canyon
2006 HUMMER H3
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
