Transmission Case and Adapter Assemble

Transmission Case and Adapter Assemble


Tools Required
* J 8092 Universal Driver Handle
* J 36017 Valve Seal Remover
* J 36190 Universal Driver Handle
* J 39433 Input Shaft Seal Installer
* J 39435 Bearing Race Installer
* J 39439-3 Bushing Installer
* J 39442 Mainshaft and Countershaft Press Adapter
* J 42464 Shift Shaft Seal lnstaller
* J 42496 Inner Shift Rail Inner Seal lnstaller



Transmission Case




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




2. Install the mainshaft bearing race, using the J 8092 and the J 39435 .




3. Install the countershaft bearing race, using the J 8092 and the J 39435 .




4. Install the dowel pins.




5. Apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent to the threads of the reverse lamp switch.





Notice: Refer to Fastener Notice .

6. Install the reverse lamp switch.

Tighten the switch to 27 N.m (20 lb ft).

7. Install the coolant temperature sensor.

Tighten the sensor to 39 N.m (29 lb ft).





8. Install the transmission case cooler line return fitting.





Notice: The H-pattern on the guide plate must face the extension housing. If the guide plate is installed incorrectly, then damage will occur.

9. Install the guide plate and the guide plate bolts.

Tighten the bolts to 22 N.m (16 Ib ft).





Adapter Plate




1. Install the spring (2).
2. Install the plug (1).




3. Install the oil pump (3).
4. Install the oil pump cover assembly (2).
5. Install the retainer ring (1).




6. Install the dowel pins.





Notice: If the 1st/2nd, 3rd/4th speed shift shaft bushing is installed incorrectly it will interfere with the inner shift rail seal causing a leak.

7. Install the 1st/2nd, 3rd/4th speed shift shaft bushing flush with adapter plate, using the J 39439-3 .




8. Load the inner seal (1) and the outer seal (2) onto J 42496 .
9. Install the shift rail seal (1 and 2) using J 42496 .




10. Install the input shaft seal, using the J 39433 .




11. Install the countershaft bearing shim and bearing race. Refer to Input Shaft, Mainshaft and Countershaft in Shimming Procedures (Shimming Procedures) .




12. Install the input shaft bearing shim and bearing race. Refer to Input Shaft, Mainshaft and Countershaft in Shimming Procedures (Shimming Procedures) .




13. Attach J 36017 within the groove at the base of the oil filter assembly. Slide the collar of the tool down to grasp the oil filter assembly.




14. Place the oil filter assembly with J 36017 attached onto the adapter plate.
15. Using J 39442 , tap the oil filter assembly into place with a hammer. Remove J 36017 .




16. Install the adapter plate pump plug.
17. Install the pump outlet cooler fitting.