GM Service Manual Online
For 1990-2009 cars only

Disassembly Procedure

Tools Required

    • J 42640 Steering Column Anti Rotation Pin
    • J 41352 Modular Column Holding Fixture
  1. Insert the steering column and J 41352 into a vise.
  2. Insert J 42640 into the column.

  3. Object Number: 393978  Size: SH
  4. Remove the hexagon washer head tapping screw (1) from the dimmer switch assembly (3).
  5. Remove the washer head screw (2) from the dimmer switch assembly (3).
  6. Remove the dimmer switch rod from the dimmer switch assembly (3).
  7. Remove the dimmer switch assembly (3) from the ignition switch assembly (4).
  8. Remove the dimmer switch assembly (3) from the vehicle wire harness.