Transmission Case Components
1. Front cover
2. Speedometer drive gear
3. O-ring
4. Neutral switch
5. Back-up light and 5th switch
6. Steel ball, spring, and spring cap
7. Select-lock spindle, spring, and spring cap
8. Blind cover
9. Extension housing
10. Snap rings
11. Speedometer driven gear and key
12. Clutch housing
Inspect the oil seal (front) for damage
13. Undercover
14. Magnet
15. Change bush and wave washer
16. Control lever
17. Control lever end
18. Select spring
19. Change control case
20. Rod cover
21. Oil passage assembly
22. Snap rings
23. Locknut
24. Taper cotter
25. Steel ball
26. Dynamic damper
27. Oil seal (rear)
Do not remove if not necessary
Disassemble in the order shown in the image, referring to Disassembly Note.
NOTE: Do not remove the front and rear oil seals if not necessary.
Disassembly note
Extension housing
1. Move the control rod end to the neutral position.
2. Remove the extension housing attaching bolts.
NOTE: Do not remove the change control case.
3. Turn the control rod in the direction of the arrow and remove the extension housing.
Locknut
NOTE: Use pads in the vise to prevent damaging the SST.
1. Connect the SST to the mainshaft and tighten it securely in a vise.
2. Remove the locknut with the SST.
On-vehicle replacement Oil seal (rear)
CAUTION: Do not damage the mainshaft splines.
1. Remove the exhaust pipe and heat insulator.
2. Remove the propeller shaft. Service and Repair
3. Remove the oil seal from the extension housing.
4. Apply transmission oil to outer periphery and lip surface.
5. Install the oil seal with a plastic hammer.
6. Install the propeller shaft. Service and Repair
7. Install the heat insulator and exhaust pipe.