GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Saturn 🢒 2008 🢒 Astra 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 Steering Column Lock and Ignition Switch Cylinder Replacement

Removal Procedure

    Important: The airbag unit must not be forcibly opened and must always be positioned with the upholstered side up.

  1. Remove the airbag unit. Refer to Inflatable Restraint Steering Wheel Module Replacement .
  2. Connect the battery and switch on the ignition.
  3. Lock the steering.
    4. • Turn the steering wheel in the straight-ahead position.

       Important: Switch off the ignition. Open and close the driver door. The steering lock and ignition lock engage automatically.

    • Allow the steering lock to engage.

    Object Number: 1937809 Size: LH
  4. Disconnect the wiring harness plug (1) for the horn.
  5. Remove the steering wheel from the steering column.
    6. • Remove the bolt (2).
    • Pull the steering wheel from the steering spindle.

    Caution: Refer to Battery Disconnect Caution in the Preface section.

    Important: Before disconnecting the battery, the steering wheel lock must be disengaged.

  6. Disconnect the battery.
    7. • Disengage the steering wheel lock by briefly pressing the Start/Stop button.

       Important: Keep the driver door open and the key in the vehicle.

    • Disconnect the battery negative cable.

    Object Number: 1936910 Size: LF
  7. Remove the lower steering column paneling.
    8. • Remove the 5 bolts (arrows).
    • Remove the ignition lock rosette (1).
  8. Remove the upper steering column paneling.

    9. Remove the paneling from instrument assembly.


    Object Number: 1941058 Size: LF
  9. Remove the column integration module (CIM).
    10. • Remove the 3 bolts (1).
    • Disconnect the wiring harness holder (arrow).
    • Release the wiring harness plug (2) and disconnect.

    Object Number: 1946659 Size: LF
  10. Remove the steering and ignition lock.
    11. • Remove the ground connection.
    • Remove the bolt (1).
    • Remove the bolt (2).
    • Disconnect the clip (3).

    Object Number: 1938881 Size: LH
  11. Remove the Open and Start receiver.

    12. Release and remove the retaining lug (1).

Installation Procedure
  1. Install the Open and Start receiver.

    2. Insert and engage.

    Notice: Refer to Fastener Notice in the Preface section.

  2. Install the steering and ignition cylinder.
    3. • Connect the negative connection.

    Tighten
    Tighten the bolt to 5 N·m (44 lb in).

       Important: Install the CIM and align horizontally.

    • Install the bolt.

    Tighten
    Tighten the bolt 15 N·m (11 lb ft).

    • Install the clip.
  3. Install the CIM.
    4. • Connect the wiring harness plug.
    • Connect the wiring harness holder.

    Tighten
    Tighten the 3 bolts 15 N·m (11 lb ft).

  4. Install the lower steering column paneling.

    5. Tighten
    Tighten the 3 bolts 1 N·m (9 lb in).


    Object Number: 1944830 Size: LH

    Important: The airbag contact unit must not be twisted.

    Important: When removing and installing, ensure that the markings (arrows) are opposite each other.

  5. Insert the steering wheel in the CIM.

    6. The guide pin (1) on the back of the steering wheel must engage in the carrier (2) on the CIM.


    Object Number: 1937810 Size: LH

    Important: Connect the battery. Switch ignition on and off. Open and close driver door. The steering lock and ignition lock engage automatically.

  6. Install the steering wheel to the steering spindle.

    7.    Important: Ensure the markings (2) on the steering wheel align with those on the steering spindle.

       Important: Guide the airbag wiring harness (1) through the opening in the steering wheel hub.

    • Place the steering wheel on the steering column.

       Important: Clean the thread and install the new bolt using locking compound.

    • Tighten the new bolt.

    Tighten
    Tighten the bolt to 30 N·m (22 lb ft).

  7. Connect the wiring harness plug for the horn.
  8. Connect the battery.
  9. Install the airbag unit. Refer to Inflatable Restraint Steering Wheel Module Replacement .
  10. For programming procedures, refer to Control Module References .