GM Service Manual Online
For 1990-2009 cars only

    Object Number: 324906  Size: SH
  1. Install the automatic transmission shift lock control.
  2. Put the column in the NEUTRAL position.

  3. Object Number: 324912  Size: SH
  4. Adjust the automatic transmission shift lock control by performing the following steps:
  5. 3.1. Pull the tab (1) out on the block side of the automatic transmission shift lock control.
    3.2. Press on the adjuster block (2) to compress the internal adjuster spring to disengage the adjuster teeth. Slide the adjuster block as far away from the solenoid as possible.
    3.3. Lock in place by pushing the tab back in.
  6. Inspect the automatic transmission shift lock control by performing the following steps:
  7. 4.1. The automatic transmission shift lock control must lock the gear shift lever when it is put into the PARK position.
    4.2. When the column is installed in the vehicle you will not be able to shift the gear shift lever out of the PARK position without pressing on the brake pedal. The solenoid will be energized.
    4.3. Readjust if needed.
  8. Install the upper and lower trim covers. Refer to Trim Covers, Shift Lever Seal - Assemble - Off Vehicle .