GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Generic 🢒 1998 🢒 Unit Repair 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T80-E 🢒 Input Shaft End Play Measurement

Tools Required

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

    Object Number: 11853 Size: SH
  1. Rotate transmission so side cover (29) faces up.
  2. Install the J 39686 into the case barrel. Install the J 25025-7A .

    3. Object Number: 11854 Size: SH
  3. Locate the J tab on the input shaft. The arrow on the tab should have a 90 degree orientation.

    4. Important: The washer must rest flat on the case cover seal.

  4. Rotate the threaded shaft clockwise until the shaft is tight. Leave enough space for the collar.
  5. Insert the collar. Install the J 8001 .

    6. Object Number: 11855 Size: SH
  6. Push down on the handle and check the end play. The end play specification is 0.10-0.85 mm (0.004-0.033 in). If the measurement is out of the specification range, determine the appropriate selective thrust washer (522) for installation when you reassemble the input shaft.
  7. Remove the dial indicator and the post.