GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1998 🢒 Seville 🢒 Restraints 🢒 SIR 🢒 Inflatable Restraint Steering Wheel Module Coil Replacement - Off Vehicle

Disassembly Procedure
  1. Remove the upper and lower shrouds from the steering column. Refer to Trim Covers, Shift Lever Seal Replacement - Off Vehicle

    2. Important: If the SIR coil becomes uncentered, the ribbon may be damaged.

  2. The SIR coil assembly will become uncentered if:
    3. • The steering column is separated from the steering gear and allowed to rotate.
    • The centering spring is pushed down, letting the hub rotate while the coil is removed from the steering column.

    Object Number: 293259 Size: SH
  3. Remove the three wire harness straps (2) from the steering column tilt head assembly (1).

    4. Object Number: 293260 Size: SH
  4. Pop the wire harness assembly (1) from the wire harness strap (2).

    5. Object Number: 301912 Size: SH
  5. When working on the power tilt and telescope column remove three wire harness straps (1). Remove one wire harness strap (1).

    6. Object Number: 301914 Size: SH
  6. When working on the power tilt and telescope column remove the green (5), brown (4), natural (3) and the black (2) connectors from the Steering Column interface module assembly (1).

    7. Object Number: 301916 Size: SH
  7. When working on the power tilt and telescope column remove the Steering Column interface module assembly (2) from the lower wire shield (1).

    8. Object Number: 301919 Size: SH
  8. When working on the power tilt and telescope column pop open the lower wire shield (1) to remove the wire harness assembly (2).

    9. In the lower wire shield (1), notice which direction (3) and placement the wires are in.


    Object Number: 293261 Size: SH
  9. Remove the black SIR connector (2) from the fused jumper assembly connector (1).

    10. Object Number: 293262 Size: SH
  10. Remove the retaining ring (3).
  11. Remove the SIR coil assembly (2).
  12. Remove the wave washer (1).

Assembly Procedure

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

    2. Object Number: 293254 Size: SH
  2. To install the SIR coil assembly:
    3. • Make sure the wheels are straight ahead.
    • Align the block tooth and the centering mark on the race & upper shaft assembly (1) at the 12 o' clock position.

    Object Number: 293255 Size: SH
  3. Ensure the SIR coil assembly is centered. The new SIR coil assembly will be precentered. Pull the tab and remove. Do not depress the tab (1) on the back of the SIR coil assembly.

    4. Object Number: 293256 Size: SH
  4. Align the SIR coil assembly (1) with the horn tower on the turn signal cancel cam assembly (2).

    5. Object Number: 293257 Size: SH

    Important: The retaining ring (1) must seat securely on the groove of the race & upper shaft assembly (2).

  5. Install the retaining ring (1).

    6. Object Number: 293258 Size: SH
  6. Route the lower SIR coil assembly wires along the steering column jacket assembly.

    7. Object Number: 301919 Size: SH
  7. When working on the power tilt and telescope column install the wire harness assembly (2) into the lower wire shield (1).

    8. In the lower wire shield (1) notice the direction (3) and placement the wires go in.


    Object Number: 301916 Size: SH
  8. When working on the power tilt and telescope column slide the Steering Column interface module assembly (2) into the lower wire shield (1).

    9. Object Number: 301914 Size: SH
  9. When working on the power tilt and telescope column install the green (5), brown (4), natural (3) and the black (2) connectors into the Steering Column interface module assembly (1).

    10. Object Number: 293261 Size: SH
  10. Install the black SIR connector (2) to the fused jumper assembly connector (1).

    11. Object Number: 293260 Size: SH
  11. Pop the wire harness assembly (1) into the wire harness strap (2).

    12. Object Number: 293259 Size: SH
  12. Install the two wire harness straps (2). Install one wire harness strap (2) to the steering column tilt head assembly (1).

    13. Object Number: 301912 Size: SH
  13. When working on the power tilt and telescope column install the three wire harness straps (2) onto the wire harness assembly.
  14. Install the wire harness strap (1) into the steering column tilt head assembly.
  15. Install the upper and lower shrouds. Refer to Trim Covers, Shift Lever Seal Replacement - Off Vehicle