23. Reaction Sun Gear to Input Drum End Play Check #1

Tools Required
- J 26958 Output Shaft Aligning & Loading Tool
- J 26958-10 Adaptor Plug
- J 25025-7A Dial Indicator Post
- J 28588 Gage
- J 8001 Dial Indicator





1. Install J 28588, J 8001, and J 25025-7A.

IMPORTANT: The J 26958 loading tool should still be in place from the input shaft end play check.





2. Position the gage extension between the open ends of the selective snap ring (644) on the reaction sun gear.
3. Swing the feeler gage of J 28588 under the extension shoulder.
4. Set the dial indicator so that the pointer is at zero.





5. Position the selective snap ring (644) under the gage extension shoulder.
6. Remove the feeler gage from under the extension shoulder.
7. The dial indicator should read 0.33-0.33 mm (0.013-0.005 inch)
8. Record the reading.
9. In order to select the correct snap ring, refer to the Reaction Sun Gear to Input Drum Selective Snap Ring table in End Play Specifications under Transmission Specifications. End Play Specifications
10. Measure the new or used snap ring (644) with a micrometer.