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 upper and lower shrouds. Refer to Steering Column Trim Cover Replacement - Off Vehicle .

  2. Object Number: 322934  Size: SH
  3. Remove one wire harness straps (2) from the wire harness assembly.
  4. Remove one wire harness strap (2) from the upper tilt head assembly (1).


    Object Number: 322946  Size: SH
  5. Pop the wire harness assembly (1) out of the wire harness strap (2).

  6. Object Number: 293262  Size: SH
  7. Remove the retaining ring (3).
  8. Remove the SIR coil assembly (2).
  9. Remove the wave washer (1).

Assembly Procedure

Tools Required

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

    Object Number: 322949  Size: SH
  1. To install the SIR coil assembly:
  2. Align the block tooth on the race and upper shaft assembly (1) to the 12 o' clock position.


    Object Number: 293252  Size: SH
  3. Install the wave washer (1) to the race and upper shaft assembly (2).

  4. Object Number: 322951  Size: SH
  5. Align the SIR coil assembly (4) with the horn tower on the turn signal cancel cam assembly (1).
  6. The new SIR coil assembly will be precentered. Pull the tab and remove.

    Important: The retaining ring (3) must seat securely on the groove of the race and upper shaft assembly (2).

  7. Install the retaining ring (3).

  8. Object Number: 322946  Size: SH
  9. Pop the wire harness assembly (1) into the wire harness strap (2).

  10. Object Number: 322934  Size: SH
  11. Install one wire harness strap (2) into the steering column tilt head assembly (1).
  12. Install one wire harness strap (2) onto the wire harness assembly.

  13. Install the upper and lower shrouds. Refer to Steering Column Trim Cover Replacement - Off Vehicle .