Rear Unit End Play Check. Chevrolet Express

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2009 🢒 Express - AWD 🢒 Transmission 🢒 Automatic Transmission - 4L80-E/4L85-E 🢒 Rear Unit End Play Check

•	J 8001 Dial Indicator Set

•	J 25025-B Dial Indicator Post and Guide Pin Set

For equivalent regional tools, refer to Special Tools.

Assemble the J 25025-B guide pin set by attaching the threaded rod and the dial indicator holder to one of the case extension bolt holes on the transmission case (7).
Push the output shaft assembly (671) in to remove any slack.
Install the J 8001-3 dial indicator on the dial indicator holder. Index the J 8001-3 dial indicator to the end of the output shaft (671).
Set the J 8001-3 dial indicator to 0.
Move the output shaft (671) in and out, noting the amount of end play. 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.