Turn Signal Multifunction Switch Replacement

2008 Chevrolet Impala V8-5.3LSECTION Turn Signal Multifunction Switch Replacement


Turn Signal Multifunction Switch Replacement

Removal Procedure





Caution: Refer to SIR Caution .
1. Disable the SIR system. Refer to SIR Disabling and Enabling .
2. Remove the upper and lower trim covers. Refer to Steering Column Trim Covers Replacement (Steering Column Trim Covers Replacement) .

Important: The abrasion sleeve located on the steering column wire harness assembly must be reinstalled. Make note of what connector is coming out of the abrasion sleeve for installation purposes.


3. Remove the wire harness assembly (1) from the wire harness strap (2).
4. Disconnect the turn signal and multifunction switch assembly connector from the SIR system coil connector.




5. Slide the 2 connectors (2) of the turn signal and multifunction switch assembly out of the bulkhead connector (1).




6. Remove the 2 pan head tapping screws (1) and (3) from the turn signal and multifunction switch assembly (2).
7. Remove the turn signal and multifunction switch assembly (2) from the steering column tilt head assembly.



Installation Procedure





1. Install the turn signal and multifunction switch assembly (2) onto the steering column tilt head assembly.

Notice: Refer to Fastener Notice .


Important: Be sure that the electrical contact of the turn signal and multifunction switch assembly (2) rests on the turn signal cancel cam assembly.


2. Screw the 2 pan head tapping screws (1) and (3) into the turn signal and multifunction assembly (2).

Tighten the pan head tapping screws (1) and (3) to 1 N.m (11 lb in).





3. Slide the 2 connectors (2) of the turn signal and multifunction switch assembly into the bulkhead connector (1).




4. Connect the turn signal and multifunction switch assembly connector to the SIR coil connector.

Important: The abrasion sleeve must be installed back onto the steering column wire harness assembly. The ignition lock cylinder case wires and connector must be hanging out of the middle of the abrasion sleeve.


5. Install the wire harness assembly (1) into the wire harness strap (2).
6. Install the upper and lower trim covers. Refer to Steering Column Trim Covers Replacement (Steering Column Trim Covers Replacement) .
7. Enable the SIR system. Refer to SIR Disabling and Enabling .


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.