GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 TrailBlazer - 4WD 🢒 Preface 🢒 Dangers, Warnings, and Cautions 🢒 Multifunction Turn Signal Switch Housing Replacement

Removal Procedure

    Warning: Refer to SIR Warning in the Preface section.


    Object Number: 664269 Size: SH
  1. Disable the SIR system. Refer to SIR Disabling and Enabling.
  2. Remove the steering wheel from the column. Refer to Steering Wheel Replacement.
  3. Remove the ignition lock cylinder case assembly. Refer to Ignition Lock Cylinder Case Replacement.
  4. Remove the turn signal and multifunction switch assembly. Refer to Turn Signal Multifunction Switch Replacement.
  5. Slide the turn signal switch housing off of the steering column shaft assembly.

Installation Procedure

    Object Number: 664269 Size: SH

    Note: The turn signal switch housing must be pressed firmly against the steering column tilt head in order for the screws from the turn signal and multifunction switch assembly screws to line up.

  1. Slide the turn signal switch housing onto the steering column shaft assembly.
  2. Install the turn signal and multifunction switch assembly. Refer to Turn Signal Multifunction Switch Replacement.
  3. Install the ignition lock cylinder case. Refer to Ignition Lock Cylinder Case Replacement.
  4. Install the steering wheel onto the column. Refer to Steering Wheel Replacement.
  5. Enable the SIR system. Refer to SIR Disabling and Enabling.