GM Service Manual Online
For 1990-2009 cars only

Tools Required

    â€¢ J 8001 Dial Indicator Set
    â€¢ J 25025-B Dial Indicator Post and Guide Pin Set

    Object Number: 28398  Size: SH
  1. Assemble the J 25025-B by attaching the threaded rod and the dial indicator holder to one of the case extension bolt holes on the transmission case (7).
  2. Push the output shaft assembly (671) in to remove any slack.
  3. Install the J 8001-3 on the dial indicator holder. Index the J 8001-3 to the end of the output shaft (671).
  4. Set the J 8001-3 to 0.
  5. Move the output shaft (671) in and out, noting the amount of end play.
  6. End Play Specification
    The correct end play is 0.127-0.508 mm (0.005-0.020 in).

    If the end play is not correct, change the output shaft selective thrust washer (674). Refer to the Output Shaft Selective Thrust Washer Specifications .

  7. Remove the tools.