Operation CHARM: Car repair manuals for everyone.
Hosted by mcallihan.com
Home >> Chevy Truck >> 2008 >> Uplander V6-3.9L >> Repair and Diagnosis >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Service and Repair >> Overhaul >> Assemble, Disassemble, and Installation >> Input Clutch Housing End Play Check (FWD Only)

Input Clutch Housing End Play Check (FWD Only)



Input Clutch Housing End Play Check (FWD Only)

Tools Required
* J 26958 Output Shaft Loading and Aligning Tool
* J 26958-10B Adapter Plug
* J 33381-A Final Drive Remover and Installer
* J 33386-A Input Shaft End Play Tool
* J 38385 Output Shaft Loading Tool Adapter
* J 43425 Output Shaft Loading Tool Adapter




1. Adjust the collar on toolJ 33381-A to the 4T65-E CLUTCH & DRUM setting.




2. install J 33381-A into the input clutch housing assembly (632).
3. Tighten the threaded rod of J 33381-A until the rod is finger tight.
4. UseJ 33381-A in order to lift the input clutch housing assembly (632). The sprag clutch assemblies will also be attached.
5. Install the assembly (632) into the case. Be sure that the assembly is down all the way.
6. Remove J 33381-A from the assembly.





Important: The toolJ 38385 (3) is used on a standard duty transmission, and J 43425 (3) is used on a heavy duty transmission.


7. install J 38385 (3) for a standard duty transmission orJ 43425 (3) for a heavy duty transmission.

Important: The toolJ 26958-10B (2) is model specific and can be used on a standard duty and a heavy duty transmission. This tool has a small end (4) and a larger end (5). Standard duty would use the smaller end (4) facing down, and a heavy duty would use the larger end (5) facing down.


8. install J 26958-10B (2) depending on model. Stadard duty uses this tool with the smaller end (4) facing down. Heavy duty uses this tool with the larger end (5) facing down.

Important: Install bolts and tighten securely to prevent tool deflection during end play measurement.


9. install J 26958 (1) onto the case extension (6).




10. Using two bolts, install J 33386-A onto the case.
11. Tighten the bolts in order to securely holdJ 33386-A.
12. TightenJ 26958 finger tight in order to eliminate differential carrier end play.




13. Insert the thrust washer (630) from the input clutch housing intoJ 33386-A as indicated. If the thrush washer will not fit intoJ 33386-A, select the next size smaller thrust washer and recheck.
14. Use a feeler gauge in order to measure the clearance betweenJ 33386-A and the thrust washer (630).

* If the clearance is less than 0.1521 mm (0.006 in), use the current size thrust washer.
* If the clearance is 0.1521 mm (0.006 in) or more, select the next size larger thrust washer and recheck.
Refer to the Bearing/Input Clutch Hub Selective Thrust Washer (630) Selection Guide inEnd Play Specifications (End Play Specifications).




15. Remove J 33386-A.
16. Adjust the collar on toolJ 33381-A to the 4T65-E CLUTCH & DRUM setting. Make sure that the threaded rod is fully loosened.
17. install J 33381-A into the input clutch housing (632).
18. Tighten the threaded rod of J 33381-A until the rod is finger tight.
19. UseJ 33381-A in order to lift the input clutch housing assembly (632). The sprag clutch assemblies will also be attached.
20. Remove the assembly (632) from the case.




21. Position the transmission so that the oil pan is facing down.
22. Remove J 26958 (1),J 26958-10B (2), and J 38385 (3) orJ 43425 (3).

pro multis · About Operation CHARM