Trans Case and Adapter Plate Assemble

TRANSMISSION CASE

^ Tools Required
- J 36190 Drive Handle
- J 39435 Mainshaft and Countershaft Bearing Race Installer
- J 39439-4 Bushing Installer
- J 39439-3 Bushing Installer





1. Install the 1st/2nd and the 3rd/4th shift shaft bushings. Use the J 36190, the J 39439-4, and the J 39439-3.





2. Install the mainshaft bearing race. Use the J 8092 and the J 39435.





3. Install the countershaft bearing race. Use the J 8092 and the J 39435.





4. Install the dowel pins.





5. Install the backup lamp switch.
^ Tighten the switch to 27 Nm (20 ft. lbs.).





6. Apply thread sealer to the oil fill plug threads. Use GM P/N 12346004 or the equivalent.





7. Install the oil fill plug.
^ Tighten the oil fill plug to 18 Nm (13 ft. lbs.).





8. Install the guide plate and the guide plate bolts.
^ Tighten the bolts to 22 Nm (16 ft. lbs.).

ADAPTER PLATE

^ Tools Required
- J 39433 Input Shaft Seal Installer
- J 39437 Bushing Installer
- J 42464 Shift Rail Outer Seal Installer
- J 42496 Shift Rail Inner Seal Installer





1. Install the dowel pins.





2. Install the 1st/2nd, 3rd/4th speed shift shaft bushing. Use the J 39437.
3. Install the inner shift rail seal using J 42496.
4. Install the outer shift rail seal using J 42464.





5. Install the input shaft seal. Use the J 39433
6. Install the input shaft seal and the upper seal on the other side of the adapter plate. Use the J 39433.