Y Car MM6 and MY6

Trans Case and Adapter Plate Disassemble (Y Car MM6 and MY6)

Transmission Case

^ Tools Required
- J 8092 Universal Driver Handle
- J 23907 Slide Hammer
- J 39439-2 Bushing Remover
- J 39790 Mainshaft Bearing Race Remover
- J 39791 Countershaft Bearing Race Remover





1. Remove the transmission case fill plug (1) (MM6 only).
2. Remove the coolant temperature switch (2) (MY6 only).





3. Remove the reverse lamp switch (MM6 only).





4. Remove the E-Z key switch (MY6 only).





5. Remove the dowel pins.





Important: Do not replace the bearing race unless inspection shows bearing race damage.

6. Remove the countershaft bearing race, using the J 8092 and the J 39791.





Important: Do not replace the bearing race unless inspection shows bearing race damage.

7. Remove the mainshaft bearing race, using the J 8092 and the J 39790.





8. Remove the 1st/2nd and the 3rd/4th shift shaft bushings, using the J 23907 and the J 39439-2.

Adapter Plate

^ Tools Required
- J 23907 Slide Hammer
- J 39439-2 Bushing Remover





1. Remove the input shaft bearing race and the shim.





2. Remove the countershaft bearing race and the shim.





3. Remove the adapter plate plug (MM6 only).
4. Remove the auxiliary coolant pump bolt (2) (MY6 only).
5. Remove the auxiliary coolant pump (1) (MY6 only).





6. Remove the input shaft seal.





Important: Do not replace the bushing unless inspection shows bushing damage.

7. Remove the 1st/2nd and the 3rd/4th shift shaft bushing, using the J 23907 with the J 39439-2.





8. Remove the 1st/2nd and the 3rd/4th shift shaft seals (1) and (2).





9. Remove the dowel pins.