GM Service Manual Online
For 1990-2009 cars only

Ignition Lock Cylinder Case Replacement Tilt Column

Removal Procedure

    Caution: Refer to SIR Caution in the Preface section.


    Object Number: 324874  Size: SH
  1. Disable the SIR system. Refer to SIR Disabling and Enabling in SIR.
  2. Remove the steering wheel from the steering column. Refer to Steering Wheel Replacement .
  3. Remove the turn signal cancel cam. Refer to Turn Signal Cancel Cam and Upper Bearing Thrust Washer .
  4. Remove the ignition lock cylinder. Refer to Ignition Lock Cylinder Replacement .
  5. Remove the ignition switch only. Refer to Ignition and Start Switch Replacement .
  6. Remove the park lock cable assembly (1) from the ignition lock cylinder case.
  7. 6.1. Place the steering column lock cylinder set into the OFF position.
    6.2. Place the shift lever clevis into the PARK position.
    6.3. Use a small blade to push against the locking tab on the end of the park lock cable assembly (1).
    6.4. Disconnect the park lock cable assembly (1) from the ignition lock cylinder case.

    Object Number: 368510  Size: SH
  8. Remove the 3 pan head tapping screws (1) from the ignition lock cylinder case (2).
  9. Important: The lock bolt assembly (4) is under slight spring tension from the lock bolt spring (3). Hold the lock bolt (4) in place while removing the ignition lock cylinder case (2).

  10. Remove the ignition lock cylinder case (2) and the lock bolt assembly (4) from the steering column tilt head assembly (5).
  11. Remove the lock bolt spring (3) from the lock bolt assembly (4).

Installation Procedure


    Object Number: 368510  Size: SH
  1. Install the lock bolt spring (3) into the steering column tilt head assembly (5).
  2. Position the cutout in the lock bolt assembly (4) at the 6 o'clock position.
  3. Install the lock bolt assembly (4) into the steering column tilt head assembly (5).
  4. Push the lock bolt assembly (4) into the steering column tilt head assembly (5) until the lock bolt assembly is flush with the steering column tilt head assembly (5).
  5. Align the ignition lock cylinder case (2) with the steering column tilt head assembly (5).
  6. Notice: Refer to Fastener Notice in the Preface section.

  7. Screw the 3 pan head tapping screws (1) into the ignition lock cylinder case (2).
  8. Tighten
    Tighten the screws to 7 N·m (62 lb in).


    Object Number: 324874  Size: SH

    Caution: Improper routing of the wire harness assembly may damage the inflatable restraint steering wheel module coil. This may result in a malfunction of the coil, which may cause personal injury.

  9. Place steering column lock cylinder set into the OFF position.
  10. Place the shift lever clevis into the PARK position.
  11. Press the locking tab on the end of the park lock cable assembly (1) into the slot in the ignition lock cylinder case.
  12. Install the ignition switch only. Refer to Ignition and Start Switch Replacement .
  13. Install the ignition lock cylinder. Refer to Ignition Lock Cylinder Replacement .
  14. Install the turn signal cancel cam. Refer to Turn Signal Cancel Cam and Upper Bearing Thrust Washer .
  15. Install the steering wheel to the steering column. Refer to Steering Wheel Replacement .
  16. Enable the SIR system. Refer to SIR Disabling and Enabling in SIR.

Ignition Lock Cylinder Case Replacement Standard Column

Tools Required

J 41396 Park Lock Cable Pliers

Removal Procedure

    Caution: Refer to SIR Caution in the Preface section.


    Object Number: 324874  Size: SH
  1. Disable the SIR system. Refer to SIR Disabling and Enabling in SIR.
  2. Remove the ignition lock cylinder. Refer to Ignition Lock Cylinder Replacement .
  3. Remove the steering column tilt head housing. Refer to Steering Column Tilt Head Housing Replacement .
  4. Remove the ignition switch only. Refer to Ignition and Start Switch Replacement .
  5. Remove the park lock cable assembly (1) from the ignition lock cylinder case.
  6. 5.1. Place the lock cylinder in the OFF-LOCK position.
    5.2. Place the shift lever clevis into the PARK position.
    5.3. Insert a small screwdriver into the slot on the ignition lock cylinder case. Push against the locking tab on the end of the park lock cable assembly (1).
    5.4. Disconnect the park lock cable assembly (1) from the ignition lock cylinder case.

    Object Number: 306295  Size: SH
  7. Remove the 3 pan head tapping screws (2) from the ignition lock cylinder case (1).
  8. Remove the ignition lock cylinder case (1) from the steering column housing assembly.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 306295  Size: SH
  1. Install the ignition lock cylinder case (1) onto the steering column housing assembly.
  2. Screw the 3 pan head tapping screws (2) into the ignition lock cylinder case.
  3. Tighten
    Tighten the pan head tapping screws to 7 N·m (62 lb in).


    Object Number: 324874  Size: SH

    Caution: Improper routing of the wire harness assembly may damage the inflatable restraint steering wheel module coil. This may result in a malfunction of the coil, which may cause personal injury.

  4. Connect the park lock cable assembly (1).
  5. • Place the lock cylinder in the OFF-LOCK position.
    • Place the gear shift lever clevis into the PARK position.
    • Press the locking tab on the end of the park lock cable assembly (1) into the slot in the ignition lock cylinder case.
  6. Install the ignition switch . Refer to Ignition and Start Switch Replacement .
  7. Install the steering column tilt head housing. Refer to Steering Column Tilt Head Housing Replacement .
  8. Install the ignition lock cylinder. Refer to Ignition Lock Cylinder Replacement .
  9. Enable the SIR system. Refer to SIR Disabling and Enabling in SIR.