Disassembly
1. 5th/Reverse shift rod end
2. 3rd/4th shift rod end
3. 1st/2nd shift rod end
4. Bearing housing
5. Snap ring
6. Thrust washer
7. C-washer
8. Retaining ring
9. Mainshaft rear bearing
10. C-washer and retaining ring
11. Locknut
12. Countershaft rear bearing
13. Counter 5th gear
14. Spacer
15. Oil guide
16. Set bolt and washer
17. Center housing
18. Blind cover
19. Cap plug, spring, and detent ball
20. Clip
21. Thrust lock washer
22. Steel ball
23. Bearing
24. 5th gear
25. Retaining ring
26. Synchronizer ring (5th)
27. 5th/Reverse shift rod
28. 5th/Reverse shift fork
29. Interlock pin
30. 3rd/4th shift rod
31. Interlock pin
32. 1st/2nd shift rod
33. Locknut
34. Clutch hub assembly (5th/Reverse)
35. Synchronizer ring (Reverse)
36. Reverse gear
37. Bearing
38. Inner race
39. Thrust washer
40. Bearing cover
41. Thrust washer
42. Reverse idler gear shaft
43. Reverse idler gear
44. Thrust washer
45. Counter reverse gear
Disassemble in the order shown in the image, referring to Disassembly Note.
Disassembly note
Bearing housing
Carefully pry the bearing housing away from the transmission case with a screwdriver, being careful not to damage the housing or case. Slide the bearing housing oft the mainshaft.
Mainshaft rear bearing
NOTE: The front and rear C-washers may have different thicknesses.
1. Remove the snap ring, washer, retaining ring, and C- washers.
2. For proper reassembly, identify the front and rear C-washers.
3. Remove the mainshaft rear bearing with the SST.
Countershaft rear bearing
CAUTION: Do not reuse the locknut.
1. Uncrimp the tab of the locknut.
2. Shift the clutch hub sleeves to first gear and reverse gear to put the gears in a double-engaged condition.
NOTE: Use the protective plates to prevent damage to the SST.
3. Hold the mainshaft with the SST and a vise.
4. Remove the locknut.
5. Remove the countershaft rear bearing with the SST.
Center housing
1. Remove the cap screws from the center housing.
2. Remove the center housing. If necessary, tap the housing with a plastic hammer.
5th/reverse shift rod
1. Remove the packing and three cap plugs, then the detent balls and springs.
2. Drive the roll pin from the 5th/Reverse shift fork. Slide the 5th/reverse shift rod out of the transmission case.
1st/2nd, and 3rd/4th shift rods
1. Remove the blind covers, gaskets, and clips.
2. Shift the transmission into 4th gear.
This will provide adequate space to drive out the roll pin. Drive the roll pin from the 3rd/4th shift fork.
3. Slide the 3rd/4th shift rod out from the rear of the transmission case.
4. Drive the roll pin from the 1st/2nd shift fork. Slide the 1st/2nd shift rod out from the rear of the transmission case.
5. Remove the interlock pins.
5th/Reverse clutch hub assembly
1. Uncrimp the tab of the locknut.
2. Shift into 1st gear and reverse gear to lock the rotation of the mainshaft.
CAUTION: Do not reuse the locknut.
3. Remove the locknut with the SST.
4. Remove the bearing cover installation bolts.
5. Attach the SST to the bearing cover and remove the assembly, which consists of the following parts:
- 5th/Reverse clutch hub assembly
- Synchronizer ring
- Needle bearing
- Inner race
- Reverse gear
- Thrust washer
6. Remove the thrust washers, reverse idler gear shaft, and reverse idler gear.