GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2006 🢒 Lucerne 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T80-E 🢒 Parking Pawl Replacement

Removal Procedure
  1. Remove the lower valve assembly. Refer to Lower Valve Assembly Replacement .
  2. Remove the parking gear. Refer to Parking Gear Replacement .
  3. Move the manual shaft from the park position.

    4. Object Number: 97517 Size: SH
  4. Drive out the parking pawl pivot pin using a pin punch. Push down on the spring while driving the pin out.
  5. Remove the parking pawl and the spring.
  6. Inspect the following:
    7. • Parking pawl tooth for damage
    • Parking pawl spring for over expansion
    • Pivot pin for scorning, excessive wear

Installation Procedure

    Object Number: 97520 Size: SH
  1. Place the pawl in the case slot. Attach the spring to the pawl.

    2. Object Number: 97523 Size: SH
  2. Insert the pivot pin through the spring and pawl. The hook end of the spring locates on the case and the square end on top of the parking pawl.
  3. Install the pivot pin using a mallet.
  4. Install the park gear. Refer to Parking Gear Replacement .
  5. Install the lower valve assembly and the bottom pan. Refer to Lower Valve Assembly Replacement .