GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2008 🢒 H2 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 Ignition Lock Cylinder Replacement

Removal Procedure

    Caution: Refer to SIR Caution in the Preface section.

  1. Disable the SIR system. Refer to SIR Disabling and Enabling .
  2. Remove the driver knee bolster. Refer to Driver Knee Bolster Replacement .
  3. Remove the steering column shroud. Refer to Steering Column Shroud Replacement .
  4. With the key installed hold it in the START position.

    5. Object Number: 1413814 Size: SH
  5. Install an allen wrench into the hole on top of the ignition lock cylinder case.

    6. Push down on the allen wrench to release the tab on the ignition lock cylinder inside the ignition lock cylinder case.


    Object Number: 1413837 Size: SH
  6. Slide the ignition lock cylinder out of the ignition lock cylinder case.

Installation Procedure

    Object Number: 1413835 Size: SH

    Important: The gears between the ignition/start switch and the ignition lock cylinder case must be in the correct position. Failure to do so will cause a misalignment of the gears in the ignition/start switch and the ignition lock cylinder case, which may result in a NO START or BATTERY DRAIN.

  1. Use a screwdriver to rotate the ignition lock cylinder case gear clockwise to the start position - allowing it to spring return into the RUN position.

    2. Object Number: 1413837 Size: SH
  2. Install the key into the ignition lock cylinder.
  3. Align the ignition lock cylinder and install it into the ignition lock cylinder case.
  4. Install the steering column shroud. Refer to Steering Column Shroud Replacement .
  5. Install the driver knee bolster. Refer to Driver Knee Bolster Replacement .
  6. Enable the SIR system. Refer to SIR Disabling and Enabling .