Mainshaft and Countershaft

1. 1st gear
2. Bearing
Inspect for damage
3. Bearing race
4. 1st synchronizer ring
5. 4th Synchronizer ring
6. 3rd/4th clutch hub assembly
7. 3rd/4th clutch hub
8. Synchronizer key
9. Clutch hub sleeve
10. Synchronizer key spring
11. 3rd synchronizer assembly
12. Inner cone
13. Double cone
14. Synchronizer ring
15. Bearing
Inspect for damage
16. 3rd gear
17. 1st/2nd clutch hub assembly
18. 1st/2nd clutch hub
19. Synchronizer key
20. Clutch hub sleeve
21. Synchronizer key springs
22. 2nd synchronizer assembly
23. Inner cone
24. Double cone
25. Synchronizer ring
26. 2nd gear
27. Bearing Inspect for damage
28. Mainshaft
29. Countershaft front bearing spacer
30. Countershaft center bearing race
31. Countershaft

NOTE: The countershaft center bearing race does not need to be removed unless you are replacing it.

Disassemble in the order shown, referring to Disassembly Note.

Disassembly note
3rd/4th clutch hub assembly




1. Remove the snap ring from the front of the mainshaft.




2. Position the SST between 2nd and 3rd gears, and hold the mainshaft from underneath.
3. Press the mainshaft out from the 3rd gear, 3rd synchronizer ring assembly, and the 3rd/4th clutch hub assembly.

1st/2nd clutch hub assembly




Hold the mainshaft, and press the 1st/2nd clutch hub assembly, 2nd synchronizer ring assembly, and 2nd gear from the mainshaft.

Countershaft center bearing race




Hold the countershaft from underneath, and remove the countershaft bearing race by using the SST.