GM Service Manual Online
For 1990-2009 cars only

Electronic Column Lock Module - Disassemble - Off Vehicle Column Shift

Disassembly Procedure

Tools Required

J 41396 Park Lock Cable Pliers

  1. Remove the steering column lock cylinder set.
  2. Remove the upper column housing components. Refer to Turn Signal Cancel Cam and Bearing Thrust Washer - Disassemble - Off Vehicle .

  3. Object Number: 324874  Size: SH
  4. Remove the park lock cable assembly (1) from the lock module assembly.
  5. 3.1. Place the steering column lock cylinder set into the off position.
    3.2. Place the shift lever clevis into the park position.
    3.3. Use a small blade to push against the locking tab on the end of the park lock cable assembly (1).
    3.4. Disconnect the park lock cable assembly (1) from the lock module assembly.

    Object Number: 306267  Size: SH
  6. Rotate the key alarm connector (1) 90 degrees.
  7. Pull the key alarm connector (1) out of the lock module assembly (2).
  8. Remove the passkey connector from the lock module assembly (2).

  9. Object Number: 415831  Size: SH
  10. Slide the ignition and key alarm switch assembly (2) out of the lock module assembly (1) by releasing the tabs.
  11. Let the ignition and key alarm switch assembly (2) hang freely.

  12. Object Number: 389662  Size: SH
  13. Remove the 3 pan head tapping screws (1) from the lock module assembly (2).
  14. 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 lock module assembly (2).

  15. Remove the lock module assembly (2) and the lock bolt assembly (4) from the steering column housing assembly (5).
  16. Remove the lock bolt spring (3) from the lock bolt assembly (4).

Electronic Column Lock Module - Disassemble - Off Vehicle Floor Shift

Disassembly Procedure

  1. Remove the steering column lock cylinder set.
  2. Remove the upper column housing components. Refer to Turn Signal Cancel Cam and Bearing Thrust Washer - Disassemble - Off Vehicle .

  3. Object Number: 389654  Size: SH
  4. Remove the connector (2) from the electric park lock (1).

  5. Object Number: 368489  Size: SH
  6. Pry the electric park lock (2) off of the lock module assembly (1).

  7. Object Number: 306267  Size: SH
  8. Remove the key alarm connector (1) from the lock module assembly (2) in the following way:
  9. 5.1. Rotate the key alarm connector (1) 90 degrees.
    5.2. Pull the key alarm connector (1) out of the lock module assembly (2).
    5.3. Remove the passkey connector from the lock module assembly (2).

    Object Number: 415831  Size: SH
  10. Slide the ignition and key alarm switch assembly (2) out of the lock module assembly (1) by releasing the tabs.
  11. Let the ignition and key alarm switch assembly (2) hang freely.

  12. Object Number: 389662  Size: SH
  13. Remove the 3 pan head tapping screws (1) from the lock module assembly (2).
  14. 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 lock module assembly (2).

  15. Remove the lock module assembly (2) and the lock bolt assembly (4) from the steering column housing assembly (5).
  16. Remove the lock bolt spring (3) from the lock bolt assembly (4).