Mainshaft and Countershaft

1. 1st gear
2. Bearing
Inspect for damage
3. Bearing race
4. Synchronizer ring (1st)
5. Synchronizer ring (4th)
6. 3rd/4th clutch hub assembly
7. 3rd/4th clutch hub
8. Synchronizer key
9. Clutch hub sleeve
10. Synchronizer key spring (3rd/4th)
11. Synchronizer assembly (3rd)
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 spring
22. Synchronizer assembly (2nd)
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

CAUTION: Do not remove the countershaft center bearing race unless necessary.
Disassemble in the order shown, referring to Disassembly Note.

Disassembly note




3rd/4th clutch hub assembly

CAUTION: Do not reuse the snap ring.

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




2. Position the SST between 2nd and 3rd gears.

CAUTION: Hold the mainshaft with one hand so that it does not fall.

3. Press the mainshaft out from the 3rd gear, synchronizer ring assembly (3rd), and the 3rd/4th clutch hub assembly.




1st/2nd clutch hub assembly

CAUTION: Hold the mainshaft with one hand so that it does not fall.

Press the 1st/2nd clutch hub assembly, synchronizer ring assembly (2nd), and 2nd gear from the mainshaft.




Countershaft center bearing race

CAUTION: Hold the countershaft with one hand so that it does not fall.

NOTE: Replace the countershaft center bearing and bearing race as one assembly.

Remove the countershaft bearing race from the mainshaft by using the SST.