Measurement Procedure

WARNING: This page is about a different car, the 2009 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Installing J 39686 Into Case Barrel

Courtesy of GENERAL MOTORS CORP.

Install the J 39686: input end play check tool into the case barrel and install the post.

Fig 2: Locating J Tab On Input Shaft

Courtesy of GENERAL MOTORS CORP.

Locate the J tab on the input shaft (604). The arrow on the tab should have a 90 degree orientation.
The washer must rest flat on the case cover seal. Rotate the threaded shaft clockwise until tight. Leave enough space for the collar.
Insert the collar. Install the J 8001: dial indicator set.

Fig 3: Checking End Play Using J 39686

Courtesy of GENERAL MOTORS CORP.

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 upon reassemble.
Remove the dial indicator and the post.