GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Astro - 2WD 🢒 Transmission/Transaxle 🢒 Shift Lock Control 🢒 Automatic Transmission Shift Lock Control Actuator Replacement

Removal Procedure

    Caution: Refer to SIR Caution in the Preface section.


    Object Number: 324906 Size: SH
  1. Disable the SIR system. Refer to SIR Disabling and Enabling in SIR.
  2. Remove the lower steering column trim cover. Refer to Steering Column Trim Covers Replacement in Steering Wheel and Column.
  3. Disconnect the A/T shift lock control actuator electrical connector.
  4. Place the shift lever clevis into the neutral position.
  5. Use a small screwdriver to pry the A/T shift lock control actuator from the steering column jacket assembly.
  6. Remove the A/T shift lock control actuator from the steering column.

Installation Procedure

    Object Number: 324906 Size: SH
  1. Firmly install the A/T shift lock control actuator onto the steering column jacket assembly.
  2. Connect the A/T shift lock control actuator electrical connector.

    3. Object Number: 324912 Size: SH
  3. Adjust the A/T shift lock control actuator with the shift lever clevis in the neutral position:
    4. 3.1. Pull out the tab (1) on the adjuster block side (2) of the A/T shift lock control actuator.
    3.2. Press on the adjuster block (2) to disengage the adjuster teeth. Slide the adjuster block (2) as far away from the actuator as possible.
    3.3. Lock the adjuster block in place by pushing inward on the tab (1).
  4. Inspect the A/T shift lock control actuator for the following items:
    5. 4.1. The A/T shift lock control actuator must lock the shift lever clevis when the shift lever clevis is put into the PARK position.
    4.2. Turn the ignition to the ON position and depress the brake pedal in order to move the gear shift lever out of the PARK position. The actuator will be energized.
    4.3. Readjust the A/T shift lock control actuator if needed.
  5. Install the lower steering column trim cover. Refer to Steering Column Trim Covers Replacement in Steering Wheel and Column.
  6. Enable the SIR system. Refer to SIR Disabling and Enabling in SIR.