Mainshaft Rear Bearing; Locknut (Countershaft) - Mazda MX-5 1990 Workshop Manual

1. Snap ring
2. Washer
3. Retaining ring
4. C-washer
5. Mainshaft rear bearing
Disassembly Note
....................... page J-17
Inspection ......... page J-24
6. Retaining ring
7. C-washer
8. Thrust lock washer
9. Steel ball
10. Locknut (Countershaft)
Disassembly Note
....................... page J-17
11. Countershaft rear bearing
Disassembly Note
......................... page J-18
Inspection ......... page J-24
1 2. Cou nter 5th gear
Inspection ......... page J-23
13. Spacer
14. 5th gear
Inspection ......... page J-23
49 0839 425C
TRANSMISSION
15. Synchronizer ring (5th)
Inspection ......... page J-24
16. Locknut (Mainshaft)
Disassem bly Note
......................... page J-18
17. Clutch hub assembly
(5th/Reverse)
Inspection ......... page J-23
18. Synchronizer ring (Reverse)
Inspection ......... page J-24
19. Reverse gear
Inspection ......... page J-23
20. Needle bearing
Inspection ......... page J-24
21. Inner race
22. Washer
23. Counter reverse gear
Inspection ......... page J-23
24. Main drive gear bearing
Disassembly Note
....................... page J-18
Inspection ......... page J-24
25. Snap ring
Disassembly note
Mainshaft rear bearing
J
26. Countershaft front bearing
Disassembly Note
....................... page J-18
Inspection ......... page J-24
27. Bearing housing assembly
Disassembly Note
....................... page J-18
Disassembly ..... page J-20
28. Mainshaft gear assembly
29. Main drive gear
Inspection ......... page J-23
30. Synchronizer ring (4th)
Inspection ......... page J-24
31. Needle bearing
Inspection ......... page J-24
32. Washer
33. Cou ntershaft
Inspection ......... page J-23
34. Synchronizer key spring
35. Clutch hu b sleeve
36. Synchronizer key
37. Clutch hub
05UOJX-017
Remove the mainshaft rear bearing
wit~
the SST.
05UOJX-018
(22
©
BEARING HOUSING
97UOJ1-020
Locknut (Countershaft)
1. Shift the clutch hub sleeves to first gear and reverse gear
to put the gears in the double-engaged condition.
Caution
• Do not reuse the locknut.
• Do not damage the countershaft.
2. Use a suitable tool to uncrimp the tabs of the locknut.
Note
• Use pads in the vise to prevent damaging the SST.
3. Connect the SST to the mainshaft and tighten it securely
in a vise.
4. Remove the locknut.
J-17