GM Service Manual Online
For 1990-2009 cars only

Disassembly Procedure

Tools Required

    • J 41352 Modular Column Holding Fixture
    • J 42640 Steering Column Anti Rotation Pin
  1. Remove the steering column tilt head. Refer to Steering Column Tilt Head - Off Vehicle .

  2. Object Number: 312445  Size: SH
  3. Remove the gray (1) connector.

  4. Object Number: 312470  Size: SH
  5. Remove the 3 screws (1) from the signal switch housing assembly (2).

  6. Object Number: 312481  Size: SH
  7. Depress the tabs (1) on the windshield wiper and washer switch assembly (2) and remove from the signal switch housing assembly (3).

Assembly Procedure

Tools Required

    • J 41352 Modular Column Holding Fixture
    • J 42640 Steering Column Anti Rotation Pin

    Object Number: 312481  Size: SH
  1. Insert the windshield wiper and washer switch assembly (2) into the signal switch housing assembly (3). Allow the tabs (1) to fall in place.

  2. Object Number: 312470  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the signal switch housing assembly (2) and secure by using the 3 pan head tapping screws (1).
  4. Tighten
    Tighten the screws to 7 N·m (62 lb in).


    Object Number: 312481  Size: SH
  5. Install the gray (1) connector.
  6. Install the steering column tilt head. Refer to Steering Column Tilt Head - Off Vehicle .