GM Service Manual Online
For 1990-2009 cars only

    Object Number: 207620  Size: SH
  1. Remove the transmission oil pan screws (76).
  2. Remove the transmission oil pan (75) and the transmission oil pan gasket (73).

  3. Object Number: 338412  Size: SH
  4. Remove the transmission oil filter assembly (72).
  5. The filter may help in diagnosis. Cut away the top portion of the plastic filter housing and remove. Inspect the filter for the presence of the following items which may indicate wear or corrosion:
  6. • Clutch material
    • Bronze slivers indicating bushing wear
    • Steel particles

    Object Number: 5438  Size: SH
  7. Remove the oil filter seal (71).