GM Service Manual Online
For 1990-2009 cars only

Automatic Transmission Shift Lock Control Actuator Replacement Floor Shift

Removal Procedure

  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  2. Remove the center console. Refer to Front Floor Console Replacement in Instrument Panel, Gages, and Console.

  3. Object Number: 190956  Size: SH
  4. Disconnect electrical connector from the Automatic Transmission Shift Lock Control Actuator.

  5. Object Number: 442716  Size: SH
  6. Remove both ends of the Automatic Transmission Shift Lock Control Actuator from pivot points (1).

Installation Procedure


    Object Number: 190956  Size: SH
  1. Install the Automatic Transmission Shift Lock Control Actuator upper clip onto upper pivot point, and lower clip onto the lower pivot point.
  2. Install the Center Console. Refer to Front Floor Console Replacement in Instrument Panel, Gages, and Console.
  3. Install electrical connector to the Automatic Transmission Shift Lock Control Actuator.
  4. Connect negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.

Automatic Transmission Shift Lock Control Actuator Replacement Column Shift

Removal Procedure

  1. Remove the steering column trim covers. Refer to Steering Column Trim Covers Replacement - On Vehicle .

  2. Object Number: 324906  Size: SH
  3. Remove the knee bolster.
  4. Remove the shift lever actuator.
  5. Disconnect the electrical connector from the automatic shift lock control actuator.
  6. Remove the automatic shift lock control actuator from the steering column ball studs.

Installation Procedure


    Object Number: 324906  Size: SH
  1. Install the automatic shift lock control actuator onto the steering column ball studs.
  2. Connect the electrical connector to the automatic shift lock control actuator.
  3. Install the shift lever actuator.
  4. Place the column in the neutral position.

  5. Object Number: 324912  Size: SH
  6. Adjust the automatic shift lock control actuator.
  7. • Pull out the tab (1) on the adjuster block side (2) of the actuator.
    • Press on the adjuster block (2) in order to compress the internal adjuster spring and disengage the adjuster teeth. Slide the adjuster block as far away from the actuator as possible.
    • Lock in place by pushing in on the tab (1).
  8. Inspect the actuator.
  9. • The actuator must lock the shift lever clevis when you place the clevis in the park position.
    • If you can move the shift lever without pressing on the brake pedal, readjust the actuator.
  10. Install the steering column trim covers. Refer to Steering Column Trim Covers Replacement - On Vehicle .
  11. Install the knee bolster.