Tools Required

J 45012  Holding Fixture. See Special Tools .

1. Place a suitable drain tray under the transmission.
Fig 1: Fluid Pan Drain Plug And Seal
Courtesy of GENERAL MOTORS CORP.
2. Remove the fluid pan drain plug (63) and seal (64), and allow the transmission fluid to drain.
Fig 2: Identifying Special Tools - J 45012
Courtesy of GENERAL MOTORS CORP.
3. Put transmission in park.
4. Install either the J 45012  to hold the drive flange. See Special Tools .
IMPORTANT: Discard retainer (30), seal (32), washer (33) and nut (34).
5. Remove the drive flange retaining nut (34).
6. Remove the drive flange washer (33) and seal (32).
7. Remove the drive flange (31) and the output shaft assembly retainer (30).
8. Slowly rotate the transmission to a vertical position, with the bell housing facing up, and allow any excess fluid to drain.