Page 2129 of 2267
NCMT0009
Transaxle CaseNCMT0009S011. Remove reverse switch, PNP switch, drain plug, and filler plug
from transaxle case.
2. Remove snap rings from reverse idler shaft.
3. Remove side cover and rear cover from case.
4. Remove O-ring and mainshaft bearing adjusting shim.
5. Remove reverse idler gear shaft.
a. Attach bolt (M6) to thread of reverse idler gear shaft end.
b. Pull out the attached bolt, and remove reverse idler gear shaft
from case.
6. Remove reverse idler gear, thrust washer, and bearing from
case.
7. Remove snap ring of mainshaft bearing from case.
8. Remove check plugs, springs, and check balls from case.
SMT648D Reverse switch
PNP switch
Drain plug Filler plug
SMT644D Snap ring
Rear cover
Side cover
SMT645D Bolt (M6)
SMT646D Flat-head screwdriver
Mainshaft rear bearing snap ring
SMT647D Check plug
DISASSEMBLYRS5F70A
Transaxle Case
MT-52
Page 2130 of 2267
9. Remove mounting bolts.
10. Remove input shaft rear bearing adjusting shim from transaxle
case.
11. Remove oil gutter from case.
12. Remove differential side bearing outer race and adjusting shim
from case.
13. Remove differential oil seal from case.
14. Remove welch plugs from case.
SMT649D Clutch housing
Transaxle case
SMT650D Oil gutter
SMT651D
SMT653D
SMT839D
DISASSEMBLYRS5F70A
Transaxle Case (Cont'd)
MT-53
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Clutch HousingNCMT0009S021. Remove transaxle case from clutch housing.
2. Remove magnet from housing.
3. Remove check plugs, check springs, check pins, and check
balls from housing.
4. Remove 3rd & 4th bracket retaining pin.
5. Remove 3rd & 4th shift fork stopper ring.
6. Remove 3rd & 4th fork rod.
7. Remove 3rd & 4th shift fork and bracket.
8. Remove interlock plunger and check ball.
9. Remove 5th & reverse bracket stopper ring.
10. Remove retaining pin from 5th & reverse shift fork and reverse
switch bracket.
11. Remove 5th & reverse fork rod.
12. Remove interlock pin from 5th & reverse fork rod.
13. Remove reverse switch bracket and 5th & reverse bracket.
SMT654D Clutch
housingCheck plug
SMT656D 3rd & 4th shift fork
3rd & 4th bracket
SMT655D Stopper ring
3rd & 4th
shift fork
3rd & 4th bracket
SMT658D Stopper ring
5th & reverse
bracket
Check ball
Interlock plunger
SMT657D 5th & reverse
shift fork
5th & reverse
bracket
DISASSEMBLYRS5F70A
Clutch Housing
MT-54
Page 2132 of 2267
14. Remove check ball from housing.
15. Remove retaining pin for 1st & 2nd shift fork and bracket.
16. Remove 1st & 2nd fork rod.
17. Remove 5th & reverse and 1st & 2nd shift forks, and 1st & 2nd
bracket.
18. Remove both input shaft and mainshaft assemblies from hous-
ing.
19. Remove final drive assembly from housing.
20. Remove oil pocket from housing.
21. Remove mainshaft bearing retainer from housing.
22. Cut off oil channel using a cutter as shown in the figure.
23. Remove mainshaft front bearing from housing.
SMT659D 1st & 2nd
shift fork
1st & 2nd bracket
Check balls
SMT660D Mainshaft assembly
Input shaft
assembly
SMT661D Oil pocketFinal drive
assembly
SMT662D Oil channel
Mainshaft bearing
retainerCut area
SMT663D Mainshaft front bearing
DISASSEMBLYRS5F70A
Clutch Housing (Cont'd)
MT-55
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24. Using a magnet or other suitable tool, remove retaining pin
from selector shaft.
25. Remove selector shaft and plug, then remove selector.
26. Remove reamer bolt, then remove selector leaf spring, return
spring, steel ball, reverse gate, selector arm, bearing, and
bushing.
CAUTION:
Be careful not to lose the steel ball.
27. Remove retaining pin and plug from striking lever.
28. Remove striking rod, then striking lever from housing.
29. Using a flat-head screwdriver or other suitable tool, remove
dust seal, input shaft oil seal, and striking rod oil seal from
housing.
CAUTION:
When removing dust and oil seals, be careful not to damage
mounting surfaces of dust seal and oil seal.
SMT664D Selector
Selector pin
SMT665D Selector
shaft
Selector
SMT666D Selector leaf spring
Return spring
SMT667D Striking lever
SMT668D Flat-head
screwdriver
Dust sealFlat-head
screwdriver
Input shaft
oil seal
DISASSEMBLYRS5F70A
Clutch Housing (Cont'd)
MT-56
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30. Remove differential oil seal from housing.
31. Remove differential side outer race from housing.
SMT669D Differential
oil seal
SMT670D Differential
side bearing
outer race
DISASSEMBLYRS5F70A
Clutch Housing (Cont'd)
MT-57
Page 2135 of 2267
Input Shaft and Gears
DISASSEMBLYNCMT0010
1. Before disassembly, measure the end plays of 3rd and 4th
input gears.
Gear end play:
Refer to SDS, MT-90.
IIf end play is not within specification, disassemble and check
the parts.
2. Remove oil channel from input shaft rear bearing.
3. Press out input shaft rear bearing.
4. Remove C-ring holder.
5. Remove 5th gear rear C-ring.
6. Remove 5th input gear from input shaft.
7. Remove 5th gear front C-ring.
SMT759D Feeler gauge
Input shaft assembly
SMT671D Oil channel
Input shaft
SMT672D Input shaft
rear bearing
SMT673D C-ring holder
Flat-head screwdriver
5th gear rear C-ring
SMT674D 5th input gear
REPAIR FOR COMPONENT PARTSRS5F70A
Input Shaft and Gears
MT-58
Page 2136 of 2267
8. Remove 4th input gear, baulk ring, 4th gear needle bearing,
and 4th gear C-ring from input shaft.
9. Press out both 3rd & 4th synchronizer hub assembly and 3rd
input gear from input shaft.
10. Remove 3rd gear needle bearing.
11. Press out input shaft front bearing from input shaft.
INSPECTIONNCMT0011
Gear and ShaftNCMT0011S01
ICheck shaft for cracks, wear or bending.
ICheck gears for excessive wear, chips or cracks.
SynchronizersNCMT0011S02
ICheck spline area of coupling sleeves, hubs and gears for
wear or cracks.
ICheck baulk rings for cracks or deformation.
ICheck insert springs for wear or deformation.
IIf any crack, damage, or excessive wear is found on cam face
of baulk ring or working face of insert, replace it.
SMT675D 3rd & 4th
synchronizer
hub assembly
3rd input gear
SMT676D Input shaft
front bearing
SMT693D
SMT637A
SMT867D
REPAIR FOR COMPONENT PARTSRS5F70A
Input Shaft and Gears (Cont'd)
MT-59