GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • J 39686 Input End Play Check Tool
    • J 25025-7A Dial Indicator Post
    • J 8001 Dial Indicator

For equivalent regional tools, refer to Special Tools.


    Object Number: 509569  Size: SH
  1. Rotate the transmission so the side cover (29) faces up.
  2. Install the J 39686 input end play check tool into the case barrel. Install the J 25025-7A dial indicator post .

  3. Object Number: 11854  Size: SH
  4. Locate the J tab of the J 39686 input end play check tool on the input shaft (604). The arrow on the J tab should have a 90 degree orientation.
  5. Note: The washer of the J 39686 input end play check tool must rest flat on the case cover seal.

  6. Rotate the threaded shaft of the J 39686 input end play check tool clockwise until the shaft is tight. Leave enough space for the collar.
  7. Insert the collar. Install the J 8001 dial indicator .

  8. Object Number: 11855  Size: SH
  9. Push down on the handle of the J 39686 input end play check tool and check the end play. End play should be 0.10-0.85 mm (0.004-0.033 in).
  10. If the measurement is out of the specification range, determine the appropriate selective thrust washer (522) for installation when you reassemble the input shaft.

  11. Remove the J 8001 dial indicator , the J 25025-7A dial indicator post and the J 39686 input end play check tool .