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.
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HOMESERVICE MANUALSCHEVROLET2012EXPRESS 3500 V8-4.8LREPAIR AND DIAGNOSISSTEERING AND SUSPENSIONSTEERINGSTEERING COLUMNSERVICE AND REPAIRTURN SIGNAL MULTIFUNCTION SWITCH REPLACEMENT
2012 Chevrolet Express 3500 V8-4.8L
Turn Signal Multifunction Switch Replacement
2012 Chevrolet Express 3500 V8-4.8LSECTION Turn Signal Multifunction Switch Replacement
Turn Signal Multifunction Switch Replacement
Removal Procedure
Warning:
Refer to SIR Warning SIR Warning.
1. Disable the SIR system. Refer to SIR Disabling and Enabling Service and Repair.
2. Remove the steering wheel. Refer to Steering Wheel Replacement Steering Wheel Replacement.
3. Remove the upper and lower trim covers. Refer to Steering Column Trim Cover Replacement Steering Column Trim Cover Replacement.
4. Disconnect the turn signal and multifunction switch assembly connector.
5. Remove the 2 screws (1) from the turn signal and multifunction switch assembly (2).
6. Remove the turn signal and multifunction switch assembly from the steering column tilt head assembly.
Installation Procedure
1. Install the turn signal and multifunction switch assembly (2) to the steering column tilt head assembly.
Caution:
Refer to Fastener Caution Fastener Caution.
2. Install the 2 screws (1) to the turn signal and multifunction assembly and tighten to 3 Nm (27 lb in).
3. Connect the turn signal and multifunction switch assembly connector.
4. Install the upper and lower trim covers. Refer to Steering Column Trim Cover Replacement Steering Column Trim Cover Replacement.
5. Install the steering wheel. Refer to Steering Wheel Replacement Steering Wheel Replacement.
6. Enable the SIR system. Refer to SIR Disabling and Enabling Service and Repair.
RENDER: 1.0x
NO RELATED
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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.