GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Refer to SIR Caution in the Preface section.


    Object Number: 664269  Size: SH
  1. Disable the SIR system. Refer to SIR Disabling and Enabling .
  2. Remove the turn signal cancel cam assembly. Refer to Turn Signal Cancel Cam and Steering Shaft Upper Bearing Spring Replacement .
  3. Remove the wiper washer switch assembly. Refer to Windshield Wiper and Washer Switch Replacement .
  4. Remove the turn signal 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

    Important: The switch mounting bracket must be pressed firmly against the steering column tilt head.

  1. Slide the turn signal switch housing onto the steering column shaft assembly.
  2. Install the turn signal switch assembly. Refer to Turn Signal Multifunction Switch Replacement .
  3. Install the wiper washer switch assembly. Refer to Windshield Wiper and Washer Switch Replacement .
  4. Install the turn signal cancel cam assembly. Refer to Turn Signal Cancel Cam and Steering Shaft Upper Bearing Spring Replacement .
  5. Enable the SIR system. Refer to SIR Disabling and Enabling .