NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING
[FS5W71C]
NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting Chart
PFP:00003
ECS006I4
Use the chart below to help you find the cause of the symptom. The numbers indicate the order of the inspection. If necessary, repair or replace these part s.
Reference page
MA-35
SUSPECTED PARTS
(Possible cause)
MT-18
MT-22
MT-24
Symptom
OIL (Oil level is low .)
OIL (Wrong oil.)
OIL (Oil level is high.)
GASKET (Damaged)
OIL SEAL (Worn or damaged)
CHECK PLUG RETURN SPRING AND CHECK BALL (Worn or damaged)
SHIFT FORK (Worn)
GEAR (Worn or damaged)
BEARING (Worn or damaged)
BAULK RING (Worn or damaged)
Noise1233
Oil leakage3122
Hard to shift or will not shift1122
Jumps out of gear122
INSERT SPRING (Damaged)
MT-6
DESCRIPTION
[FS5W71C]
DESCRIPTIONPFP:00000
CROSS-SECTIONAL VIEW
ECS006I5
A
B
MT
D
E
F
G
H
K
M
I
J
L
MT-7
WCIA0175E
DESCRIPTION
[FS5W71C]
1.Steel ball2.Mainshaft front bearing3.Reverse main gear
1.Remove the propeller shaft. Refer to PR-8, "Removal an d Installation" .
2.Remove rear oil seal using Tool.
● Always replace with a new seal once it has been
removed.
Tool number: ST33290001 (J34286)
INSTALLATION
1.Install new rear oil seal using Tool until it stops.
● Apply multi-purpose grease to seal lip of oil seal before
installing.
Tool number: ST33400001 (J26082)
ECS006I6
WCIA0176E
A
B
MT
D
E
F
G
2.Installation is in the reverse order of removal.
Position Switch Check
●Check continuity.
SwitchGear positionContinuity
Back-up lamp switch
Park/neutral position
(PNP) switch
ReverseYes
Except reverseNo
NeutralYes
Except neutralNo
SMT480CA
ECS006I7
H
I
J
K
L
M
MT-9
SMT981D
TRANSMISSION ASSEMBLY
[FS5W71C]
TRANSMISSION ASSEMBLY
Removal and Installation
REMOVAL
PFP:32010
ECS006I8
WMT030
CAUTION:
Before separating the transmission from the engine, remove the crankshaft position sensor (OBD)
from the transmission. Be careful not to damage sensor edge or ring gear teeth.
MT-10
TRANSMISSION ASSEMBLY
[FS5W71C]
NOTE:
To prevent oil s pills, drain transmission oil before remo ving transmission or insert plug into rear oil
seal after removing propeller shaft.
●Be careful not to damage spline, sleeve yoke, and rear oil seal when removing propeller shaft.
1.Remove battery negative terminal.
2.Remove the crankshaft position sensor (OBD) from transmission upper side.
3.Remove the clutch operating cylinder fr om transmission. Refer to CL-9, "
4.Disconnect the vehicle speed sensor, back-up switch, and park/neutral position (PNP) switch harness
connectors.
5.Remove the starter motor. Refer to SC-23, "
6.Disconnect the exhaust hanger. Refer to EX-3, "
7.Remove the propeller shaft. Refer to PR-8, "
Removal and Ins tallation" .
Removal and Installation" .
Removal and Installation" .
8.Remove the shift lever.
9.Support the engine by placing a jack under the oil pan.
14. Apply sealant to select ch ec k plu gs . Tighten se le ct ch ec k pl ugs.
● Use Genuine Anae rob ic Li quid Gasket , or eq uiva lent. Refer to
MA-12, "
Select check
plugs
RECOMMENDED FLUIDS AND LUBRICANTS" .
: 20 - 29 N·m (2.0 - 3.0 kg-m,
14 - 22 ft-lb)
15. In s tall control housing and new gasket.
Control housing
bolts
: 14 - 18 N·m (1.4 - 1.8 kg-m,
10 - 13 ft-lb)
B
MT
D
E
SMT161D
F
G
H
I
K
M
J
L
MT-21
SHIFT CONTROL COMPONENTS
[FS5W71C]
SHIFT CONTROL COMPONENTS
Disassembly
1.Set up Tool on adapter plate.
Tool number: ST23810001 ( — )
2.Remove striking rod from adapter pl ate.
3.Remove check ball plugs, check springs, and check balls.
NOTE:
Mark locations of interlock balls to ensure proper installation.
4.Drive out retaining pins. Then drive out fork rods and remove
interlock balls.
PFP:32982
ECS006IC
SMT545A
Inspection
●Check contact and sliding surfaces of fork rods for wear,
scratches, projecti on s an d ot h er dama ge.
SMT984
ECS006ID
MT-22
SMT075C
SHIFT CONTROL COMPONENTS
[FS5W71C]
Assembly
1.Install fork rods, interlock plunger, interlock balls and check
balls.
2.Install 1st and 2nd shift fork, then drive in retaining pin.
3.Install 3rd and 4th shift fork, then drive in retaining pin.
ECS006IE
SMT992-A
SMT989
A
B
MT
D
E
F
G
H
4.Install overdrive and reverse shift fork, then drive in retaining
pin.
I
J
K
SMT990
L
M
SMT991
MT-23
GEAR COMPONENTS
[FS5W71C]
GEAR COMPONENTS
Disassembly
1.Before disassembly, measure the end play of each gear.
● If end play is no t within the specified limit, d isassemble and
inspect the parts.
● Replace any part whic h is worn or da maged. R efer to MT-35,
"Gear End Play" .
2.Mesh 2nd and reverse gear, then remove counter gear front
bearing using a suitable puller.
3.Remove counter gear s nap rin g, then r emove s ub-ge ar brac ket,
sub-gear spring and sub-gear.
PFP:31460
ECS006IF
SMT025
4.Remove counter drive gear together with main drive gear
assembly using a suitable puller. Remove woodruff keys and
pilot bearing.
● When removing main drive gear assembly, be careful not to
drop pilot bear ing or baulk ring.
5.Remove mainshaft front snap ring, then remove 3rd and 4th
synchronizer assembly, 3rd main gear and needle bearing using
suitable puller.
6.Disassemble parts at rear of ad apter plate as follows:
a.Release staking o n both counter gear and main shaft lock nuts,
then loosen both nuts.
Mainshaft lock nut: Left-hand thread
SMT174A
SMT162A
WCIA0181E
MT-24
GEAR COMPONENTS
[FS5W71C]
b.Remove overdrive counter gear together with counter gear rear
end bearing using a suitable puller.
c.Remove reverse counter ge ar an d reve rs e co un ter ge ar spacer.
d.Remove snap rings from reverse idler shaft, then remove
steel ball, reverse idler thrust washer and reverse idler gear
bearing.
SMT547A
e.Remove overdrive mainshaft bearing snap ring and pull out overdrive mainshaft bearing using Tool, then
remove snap ring.
A
B
MT
D
Tool number: (J-26349-A), (J-25726-B)
f.Remove mainshaft lock nut.
g.Remove speedometer drive gear and steel ball.
h.Remove thrust w asher, steel roller, roller bearing and washer.
i.Remove overdrive main gear, needle bearing and overdrive baulk ring.
j.Remove counter gear by tapping on rear end of counter gear.
k.Press out overdrive gear bushing and overdrive & reverse synchronizer assembly.
l.Remove reverse main gear and needle bearing.
m. Press out reverse main gear bushing.
n.Remove mainshaft by tapping on rear end of mainshaft.
7.Remove 1st gear thrust washer, steel ball, 1st main gear and
needle bearing and 1st and 2nd synchronizer assembly.
● Be careful not to lose steel ball.
SMT554A
E
F
G
H
I
J
K
L
M
MT-25
SMT383A
GEAR COMPONENTS
8.Press out 1st gear bushing together with 2nd main gear using
Tool.
Tool number: ST30031000 (J22912-01)
9.Remove 2nd gear needle bearing.
10. Remove main drive gear ball bearing.
a.Remove main drive gear ball bearing snap ring.
b.Remove main drive gear ball bearing using Tool.
Tool number: ST30031000 (J22912-01)
11. Disassemble adapter plate components.
a.Remove bearing retainer.
b.Remove oil gutter
c.Remove reverse idler shaft.
d.Remove main shaft ball bearing and counter rear be aring using
suitable tool.
[FS5W71C]
TM049A
SMT420A
Inspection
GEARS AND SHAFTS
●Check shafts for cracks, wear and bending.
●Check gears for excessive wear, chips and cracks .
ECS006IG
SMT386A
MT-26
SMT550A
GEAR COMPONENTS
SYNCHRONIZERS
●Check spline portion of coupling sleeves, synchronizer hubs,
and gears for wear, chips, and cracks.
●Check baulk ring s for cracks and deformatio n.
●Check shifting inserts for wear and deformation.
[FS5W71C]
A
B
MT
●Check insert spread springs for deformation.
●Measure baulk ring wear.
1.Measure clearance between baulk ring and gear. Refer to MT-
36, "Clearance Between Baulk Ring and Gear" .
●If the clearance is less than the wear limit, replace baulk ring.
BEARINGS
●Make sure all bearings roll freely and are free from noise,
cracks, pitting or wear.
SMT427C
SMT140
D
E
F
G
H
I
J
K
Assembly
1.Install bearings into case components.
Tool numbers
Mainshaft ball bearing: ST30720000 (J25405)
Counter rea r bearing: ST33200000 (J26082)
MT-27
AMT185
SMT418A
ECS006IH
L
M
GEAR COMPONENTS
2.Assemble adapter plate parts.
a.Install oil gutter on adapter plate and expand on rear side.
b.Insert reverse idler shaft, then install bearing retainer.
c.Tighten bearing retainer screws, then stake each one at two
points.
Bearing retainer screws: 19 - 25 (1.9 - 2.5 kg-m,
14 - 18 lb-ft)
[FS5W71C]
SMT778C
3.Instal l main drive gear ball bear ing.
a.Press main drive gear ball bearing using Tool.
Tool number: ST30613000 (J25742-3)
b.Select and install proper main drive ball bearing gear snap ring
to achieve proper clearance of groove. Refer to MT-36 , "
MAIN
DRIVE GEAR BALL BEARING SNAP RING" .
Main drive ball bearing
: 0 - 0.13 mm (0 - 0.0051 in)
gear snap ring groove
allowable clearance
SMT674C
SMT425A
SMT170D
4.Assemble synchronizers.
● Assemble the 1s t and 2nd synchronizer.
SMT054C
MT-28
GEAR COMPONENTS
● Check coupling sleeve and synchronizer hub orientation.
[FS5W71C]
A
B
MT
D
E
F
● Assemble the 3rd and 4th synchronizer.
SMT206C
G
H
I
J
K
L
M
WMT053
MT-29
GEAR COMPONENTS
● Assemble the o verdrive and reverse sync hronizer.
[FS5W71C]
5.Assemble front side components to mainshaft.
a.Instal l 2nd mai n gea r, 2nd main gear n eedle be ari ng an d 1st and
2nd synchronizer assembly; then press 1st gear bushing onto
the mainshaft.
b.Install 1st main gear.
c.Install steel ball and 1st gear thrust washer.
● Before installation, apply multi-purpose grease to steel ball
and to both sides of the 1st gear thrust washer.
SMT207CA
SMT752A
TM358
6.Install mainshaft and counter gear on adapter plate and main
drive gear on mainshaft as follows:
a.Press mainshaft assembly into adapter plate using Tool.
Tool number: KV31100401 ( — )
MT-30
TM439
GEAR COMPONENTS
[FS5W71C]
b.Press coun te r gear in to adapter plate using Tool.
NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING
[FS5R30A]
NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Troubleshooting Chart
Use the chart below to help you find the cause of the problem. The numbers indicate the order of the inspection. If necessary, repair or replace these parts.
ECS006IP
A
B
Reference page
SUSPECTED PARTS
(Possible cause)
MA-35
MT-59
MT-63
MT-65
MT
D
E
F
G
H
I
Symptom
OIL (Level low)
OIL (Wrong)
OIL (Level too high)
GASKET (Damaged)
OIL SEAL (Worn or damaged)
O-RING (Worn or damaged)
CHECK PLUG RETURN SPRING AND CHECK BALL (Worn or damaged)
SHIFT FORK (Worn)
GEAR (Worn or damaged)
BEARING (Worn or damaged)
BAULK RING (Worn or damaged)
Noise1233
Oil leakage31222
Hard to shift or will not shift1122
Jumps out of gear122
4.3rd and 4th shift fork5.Transmission case6.3rd and 4th coupling sleeve
7.Striking interlock8.3rd main gear9.2nd main gear
10. 1st main gear11. OD main gear12. Striking rod
13. Reverse shift fork14. Shi f t lever15. M ainshaft
16. Mainshaft rear bearing17. C ounter gear rear end bearing18. Reverse main gear
19. Rear extension20. OD coun ter gear21. Adapter plate
22. Mainshaft front bearing23. Drain plug24. 1st and 2nd coupling sleeve
25. Counter gear26. Sub-gear27. Counter gear front bearing
28. Main drive gear bearing29. Main drive gear
A
B
MT
D
E
F
G
H
K
M
I
J
L
MT-43
DESCRIPTION
CROSS-SECTIONAL VIEW — 4WD MODEL
[FS5R30A]
MT-44
WCIA0184E
DESCRIPTION
[FS5R30A]
1.Release bearing sleeve2.Front cover3.Transmission case
4.Main drive gear bearing5.Main drive gear6.3rd and 4th shift fork
7.3rd and 4th coupling sleeve8.3rd main gear9.Striking interlock
10. 2nd main gear11. 1st and 2nd coupling sleeve12. 1st main gear
13. Mainshaft front bearing14. O D ma in ge ar15. Rear ex ten si on
16. Reverse main gear17. Striking rod18 . Shift lever
19. Mainshaft20. Counter gear rear end bea ring21. OD counter gear
22. Adapter plate23. Drain plug24. Counter gear
25. Sub-gear26. Counter gear front bearing
A
B
MT
D
E
F
G
H
K
M
I
J
L
MT-45
ON-VEHICLE SERVICE
[FS5R30A]
ON-VEHICLE SERVICE
Replacing Rear Oil Seal — 2WD Model
REMOVAL
1.Remove the pro peller shaf t. Refer to PR-8, "Removal and Instal-
lation" .
2.Remove rear oil seal using Tool.
● Always replace with a new rear oil seal once it has been
removed.
Tool number: ST33290001 (J25810-A)
INSTALLATION
1.Install new rear oil seal until it stops.
● Apply multi-purpose grease to seal lip of oil seal before install-
ing.
Tool number: ST33400001 (J26082)
2.Installation is in the reverse ord er of rem oval .
PFP:00000
ECS006IR
SMT479CA
Position Switch Check
SwitchGear positionContinuity
Back-up lamp switch
Park/neutral position
(PNP) switch
Except reverseNo
Except neutralNo
SMT480CA
ECS006IS
ReverseYes
NeutralYes
MT-46
SMT981D
ON-VEHICLE SERVICE
[FS5R30A]
A
B
MT
D
E
F
AMT205
G
H
I
J
K
L
M
MT-47
TRANSMISSION ASSEMBLY
[FS5R30A]
TRANSMISSION ASSEMBLY
Removal and Installation
PFP:32010
ECS006IT
REMOVAL
CAUTION:
When removing the M/T assembly from engine, first remove the crankshaft position sensor (OBD)
from the M/T assembly. Be careful not to damage sensor edge.
2WD Model
1.Remove battery nega tiv e ter mi na l.
2.Remove shift lever.
3.Remove crankshaft position sensor (OBD) from upper side of
transmission case.
4.Remove operating cylinder from transmission. Refer to CL-5,
"Components" .
5.Disconnect vehicle speed sensor, back-up lamp switch, heated
oxygen sensor (rear) and park/neutral position (PNP) switch
harness connectors.
6.Remove starter motor. Refer to SC-23, "
MODELS" .
7.Remove propeller shaft. Refer to PR-8, "
tion" .
● Insert plug into rear oil seal aft er rem ov in g prope lle r sha ft.
● Be careful not to damage spline, sleeve yoke and rear oil seal when removing propeller shaft.
8.Remove gussets from transmission or engine.
9.Remove exhaust tube mo un tin g bra cket from tran s mi ssio n. Refe r to EX -3, "
10. Support ma nu al trans mi ss io n with a jack.
11. Remove rear mounting member. Refer to EM-127, "
12. Lower manual transmission.
VG33E AND VG33ER
Removal and Installa-
Removal and Installation" .
Removal and Installation" .
AMT189
SMT099A
MT-48
TRANSMISSION ASSEMBLY
WARNING:
Support manual transmission together with transfer while removing it.
[FS5R30A]
A
B
MT
D
E
F
4WD Model
1.Disconnec t the ba tte ry ne ga tiv e term in al .
2.Remove shift lever from transmission and control lever from
transfer.
3.Remove clutch operating cylinder from transmission. Refer to
CL-5, "
4.Disconnect the vehicle speed sensor, back-up lamp switch,
heated oxygen sensor (rear) and Park/neutral position (PNP)
switch harness connectors.
5.Remove the starter motor. Refer to SC-23, "
VG33ER MODELS" .
6.Remove front and rear propeller shafts. Refer to PR-8,
"Removal and Installation" .
● Insert plug into rear oil seal after removing propeller shaft.
● Be careful not to damage spline, sleeve y oke and rear oil seal when removing propeller shaft .
7.Remove exhaust tube mounting bracket from transmission. Refer to EX-3, "
8.Remove front exhaust tubes and center pipe.
9.Remove the torsion bars and mounts. Refer to FSU-14, "
10. Remove the rear torsion bar cross member.
11. Remove the gussets from the transmission or engine.
12. Support the manual transmission with a jack.
13. Remove rear mounting member. Refer to EM-127, "
14. Lower manual transmission.
WARNING:
Support manual transmission together with transfer while removing it.
15. Remove crankshaft position sensor (OBD) from upper side of transmis sion case.
16. Remove transmission bolts.
WARNING:
Support manual transmission together with transfer while removing it.
Components" .
VG33E AND
Removal and Instal la tio n" .
TORSION BAR SPRING" .
Removal and Ins tallation" .
AMT203
SMT558A
G
H
I
J
K
L
M
MT-49
TRANSMISSION ASSEMBLY
INSTALLATION
●Tighten the bolts securing the transmission to the specified
7.Install stopper ring and main drive bearing snap ring.
I
J
K
SMT460A
L
M
SMT371A
MT-61
CASE COMPONENTS
8.Install front cover and gasket.
● Apply sealant to thread of 3 bolts shown.
● Use Genuine Anaerob ic Liqu id Gask et or equiv alen t. Refer to
MA-12, "
Front cover bolts: 16 - 21 N·m (1.6 - 2.1 kg-m,
9.Apply sealant to mating surface of adapter plate.
● Use Genuine Anaerob ic Liqu id Gask et or equiv alen t. Refer to
MA-12, "
10. Install rear extension or (OD gear case) together with striking
arm.
Rear extension bolts
(OD gear case bolts)
RECOMMENDED FLUIDS AND LUBRICANTS" .
12 - 15 lb-ft)
RECOMMENDED FLUIDS AND LUBRICANTS" .
: 32 - 42 N ·m (3 .2 - 4.3 kg- m,
24 - 31 lb-ft)
[FS5R30A]
SMT459A
11. Install retaining pin into striking arm using Tool.
Tool numberST23540000 (J25689-A)
12. Install check ball and return spring and th en apply sealant and
install control housing.
● Use Genuine Anaerob ic Liqu id Gask et or equiv alen t. Refer to
MA-12, "
RECOMMENDED FLUIDS AND LUBRICANTS" .
SMT461A
SMT368A
SMT462A
13. Tighten control housing bolts.
Bolt head size
A bolts: 12 mm (0.47 in)
B bolts: 13 mm (0.51 in)
Control housing
bolts
: 16 - 20 N·m (1.6 - 2.1 kg-m,
12 - 15 lb-ft)
SMT572A
MT-62
SHIFT CONTROL COMPONENTS
[FS5R30A]
SHIFT CONTROL COMPONENTSPFP:32982
Disassembly
1.Mount adapter plate on vise using copper plates to protect
adapter plate.
2.Remove OD and reverse fork rod.
3.Drive out retaining pin from striking lever using Tool.
Tool number: ST23540000 (J25689-A)
4.While pull ing out strikin g rod, remove str iking lever an d striking
interlock. Then remov e 1st and 2nd, 3rd and 4th, and reverse
shift forks.
ECS006IX
SMT373A
A
B
MT
D
E
F
G
5.Drive out retaining pin from OD shif t fork using Tool.
Tool number: ST23540000 (J25689-A)
6.Pull out OD fork rod and the n r emov e OD sh ift fork.
Inspection
●Check contact surfac e and sliding surface for wear, scratches,
projections or other damage.
Assembly
1.Install OD fork rod and OD shift fork. Then i nstall retaining pin
into OD shift fork.
SMT374A
H
I
J
ECS006IY
K
L
M
SMT398A
ECS006IZ
2.Install 1st and 2nd, 3rd and 4th, and reverse shift forks onto coupling sleeve.
MT-63
SMT457A
SHIFT CONTROL COMPONENTS
3.Install striking rod into hole of shift forks, striking lever and interlock and then i nstall retaining pin into striking lever using Tool.
● Make sure that striking rod moves smoothly.
Tool number: ST23540000 (J25689-A)
4.Install OD and reverse fork rod.
● Apply sealant to thread of O D and rev ers e fork rod bolt.
[FS5R30A]
OD and reverse fork rod
bolt
: 25 - 29 N·m (2.5 - 3.0 kg-m,
19 - 21 lb-ft)
SMT374A
MT-64
GEAR COMPONENTS
[FS5R30A]
GEAR COMPONENTSPFP:31460
Disassembly
1.Before removi ng gear s a nd sh af t s , me as ur e eac h g ea r en d pl a y.
Refer to MT-81, "
● If not within specification, disassemble and check contact sur-
face of gear to hub, washer, bushing, needle bearing and
shaft.
2.Remove rear side components on mainshaft and counter gear.
a.Remove rev ers e coupling sleeve.
Gear End Play" .
ECS006J0
SMT376A
A
B
MT
D
E
F
G
b.Remove mai nshaft rear snap ring and counter gear rear snap
ring.
c.Remove C-ring holder and mainshaft C-rings from mainshaft.
Use punch and hammer to remov e C -rin gs.
d.Remove counter gear rear end bearing using a puller.
e.Remove reverse idler thrust washer and reverse idler gear
(VG33E model) or snap ring, sub-gear bracket, steel ball, subgear spring, sub-gear and reverse idler (VG33ER model) and
reverse idler needle be ari ng s.
SMT463A
SMT377A
H
I
J
K
L
M
f.Remove mainshaft rear bearing (2WD model) using Tools.
Tool number: J-26349-A, J-25726-B
g.Remove mainshaft spacer.
MT-65
SMT378A
GEAR COMPONENTS
h.Remove reverse mai n gear together wi th mainshaft spacer an d
reverse synchronizer hub using a puller. Then remove reverse
gear needle bearing s.
i.Remove reverse counter gear using a puller.
j.Remove OD coupling sleeve together with OD baulk ring,
reverse baulk ring and spring inserts.
[FS5R30A]
SMT380A
k.Remove reverse gear bushing using a puller.
l.Remove speedometer drive gear (2WD model).
m. Remove OD gear bushing, OD gear needle bearing, OD counter
gear and reverse cone using puller.
SMT773A
SMT770A
MT-66
SMT771A
GEAR COMPONENTS
3.Press out mainshaft and counter gear alternately using Tool.
Tool number: ST33230000 ( — )
[FS5R30A]
A
B
MT
D
E
F
AMT174A
G
4.Remove front side components on mainshaft.
a.Remove 1st gear washer and steel ball.
● Be careful not to lose steel ball.
b.Remove 1st main gear and 1st gear needle bearing.
c.Press out 2nd main gear together with 1st gear bushing, 2nd
gear needle bearing and 1st and 2nd synchronizer assembly
using Tool.
Tool number: ST30031000 (J22912-01)
d.Remove mainshaft front bearing snap ring.
e.Press out 3rd main gear together with 3rd and 4th synchronizer
assembly and 3rd gear needle bearing.
H
I
J
SMT383A
K
L
M
SMT482C
MT-67
SMT385A
GEAR COMPONENTS
5.Remove fron t side components on counter gear.
a.Remove counter gear rear thrust bearing using Tool.
Tool number: ST30031000 (J22912-01)
b.Remove sub-g ear snap ring, sub-gear bracket, sub-gear s pring,
sub-gear and steel ball.
[FS5R30A]
SMT404A
6.Remove main drive gear bearing.
a.Remove main drive gear snap ring.
b.Press out main drive gear bearing using Tool.
Tool number: ST30031000 (J22912-01)
c.Remove pilot bearing.
7.Remove front bearing snap ring from adapter plate.
8.Remove bearings from case components using Tool.
SMT470A
SMT420A
MT-68
AMT173
GEAR COMPONENTS
[FS5R30A]
Tool numbers
Counter gear front bearing : ST22350000 (J25678-01),
4.Install main drive gear bearing.
a.Press main drive gear bearing using Tool.
Tool number: ST30613000 (J25742-3)
b.Install pilot bearing.
c.Select proper main drive ge ar s nap ri ng t o min imiz e clear ance of
groove. Refer to MT-82, "
Main drive gear
MAIN DRIVE GEAR SNAP RING" .
: 0 - 0.1 mm (0 - 0.00 3 i n)
snap ring groove
allowable clearanc e
d.Install selected main drive gear snap ring on main drive gear.
J
K
L
M
SMT425A
MT-71
SMT426A
GEAR COMPONENTS
5.Install components on counter gear.
a.Instal l sub- gea r, sub-gear spri ng, s ub-ge ar b racke t and sub-g ear
snap ring.
● When installing sub-gear snap ring, tap sub-gear snap ring
into positio n on counter gear using Tool.
Tool number: (J26092)
b.Install counter gear rear thrust bearing using a brass drift.
[FS5R30A]
SMT577A
6.Install front side components on mainshaft.
a.Assemble 1st and 2nd synchronizer.
b.Assemble 3rd and 4th synchronizer.
SMT405A
SMT614B
SMT615B
c.Press on 3rd and 4th synchronizer assembly together with 3rd
main gear and 3rd gear needle bearing.
● Pay attention to direc tio n of sy nc hronizer assembly.
MT-72
SMT399A
GEAR COMPONENTS
d.Select proper mainshaft front bearing snap ring to minimize
clearance of groove. Refer to MT-82, "
BEARING SNAP RING" .
MAINSHAFT FRONT
[FS5R30A]
A
Mainshaft front bear-
: 0 - 0.1 mm (0 - 0.003 in)
ing snap ring groove
allowable clearanc e
e.Install selected mainshaft front bearing snap ring on mainshaft.
f.Press on 1st and 2nd sync hronizer asse mbly together with 2nd
main gear and 2nd gear needle bearing.
g.Press on 1st gear bushing using 1st gear washer.
B
MT
SMT400A
D
E
F
G
SMT401A
H
I
h.Install 1st main gear and 1st gear needle bearing.
i.Install steel ball and 1st gear washer .
● Apply multi-purpos e grease to steel ball and 1st gea r washer
before installing.
SMT402A
SMT403A
J
K
L
M
MT-73
GEAR COMPONENTS
7.Select proper counter gear front bearing shim when replacing
transmission case, counter gear, counter gear rear thrust bearing or sub-gear components.
a.Install counter gear with sub-gear components, counter gear
front thrust washer and counter gear rear thrust washer on
adapter plate.
b.Remove counter gear front bearing shim from transmission
case.
c.Place adapter plate and cou nter gear assembl y in transmissio n
case (case inverted).
[FS5R30A]
d.Ti ghten adapter plate to transmission case using 2 bolts.
e.Place dial indicator on rear end of counter gear.
f.Move counter gear up and down and measure dial indicator
deflection.
g.Select proper thrust washer using the table as a guide. Refer to
MT-83, "
TABLE FOR SELECTING PROPER COUNTER GEAR
FRONT BEARING SHIM" .
Counter ge ar end play: 0.10 - 0.26 m m (0.0040 -
0.0102 in)
h.Separate adapter plate and transmission case.
i.Remove counter gear assembly.
WCIA0191E
SMT578A
MT-74
GEAR COMPONENTS
8.Select proper reverse idler rear thrust washer when replacing
rear extension (or OD gear case), reverse idler gear, reverse
idler shaft or reverse idler front thrust washer.
a.Install reverse i dler gear, reverse idler need le bearing s, reverse
idler rear thrust wash er and reverse idler shaft into rear e xtension (or OD gear case).
● When replacing reverse idler rear thrust washer, install
either A or B. Refer to MT-83, "
THRUST WASHER" .
REVERSE IDLER REAR
[FS5R30A]
A
B
MT
D
E
F
b.Place dial indicator on front end of reverse idler shaft.
c.Put straightedge on front surface of rear extension (or O/D gear
case) as a stopper of reverse idler shaft.
d.Move reverse id ler sh aft up an d down and meas ure rever se i dler
gear end play.
Reverse idle r gear
: 0.30 - 0.53 mm (0. 0119 - 0.0208 in )
end play
e.If not within specification, replace reverse idler rear thrust
washer with the other (A or B) and check again.
WMT051
G
H
I
J
K
L
M
SMT433A
9.Install mainshaft and counter gear on adapter plate and main
drive gear on mainshaft.
a.Mount adapter plate on vise and apply multi-purpose grease to
counter gear rear bearing.
MT-75
SMT438A
GEAR COMPONENTS
b.Partially install mainshaft on mainshaft front bearing.
● To allow for installation o f counter gear, do not install main-
shaft completely.
c.Install counter gear in counter gear rear bearing and install main
drive gear, pilot bearing and spacer on mains haft.
[FS5R30A]
SMT440A
● When installing counter gear into counter gear rear bearing,
push up on upper roller of counter gear rear bearing with
screwdriver.
d.Instal l Tools (J26349-3) on to a dapter pla te and C-r ing and C-r ing
holder on mainshaft.
e.Install Tool (J34328) on mainshaft.
SMT441A
SMT442A
SMT064C
f.Install mainshaft and counter gear completely by extending
length of Tool (J26349-3 ).
MT-76
SMT579A
GEAR COMPONENTS
[FS5R30A]
10. Install rear side components on mainshaft and counter gear.
a.Install OD gear bushing using Tool while pushing on the front of
counter gear.
Tool number: ST37750000 (J34332)
b.Install OD main gear using Tool.
● Pay attention to direction of OD main gear. (B is wider than A
as shown.)
Tool number: (J34342)
c.Install adapter plate with gear assembly ont o transmission case.
d.Install OD g ea r ne edle bearing and then ins tall O D c ou nt er g ear
and reverse idler shaft.
e.Install reverse gear bushing with speedometer drive gear (2WD
model) using Tool.
Tool number: (J34342)
A
B
MT
SMT444A
D
E
F
G
SMT580AA
H
f.Install reverse cone using Tool.
Tool number : ST37750000 (J34332)
g.Install insert springs and reverse baulk ring on OD coupling
sleeve. Then install them and OD baulk ring on OD counter
gear.
● Pay attention to direction of OD coupling sleeve.
SMT581A
SMT582A
I
J
K
L
M
MT-77
SMT571AA
GEAR COMPONENTS
h.Install reverse counte r gear us in g Tool.
Tool number: ST37750000 (J34332)
i.Install reverse gear needle bearing and then install reverse main
gear, reverse idler gear and reverse idler rear thrust washer.
[FS5R30A]
SMT583A
j.Install reverse synchronizer hub using Tool.
● Pay attention to its direction .
k.Install mainshaft spacer and main sh aft rear bearing (2WD model) using Tool.
Tool number: J-26349-A, J-25726-B
l.Install counte r gear rea r end be ari ng using Tool.
Tool number: ST37750000 (J25679-01)
m. Separate adapter plate from transmission case and mount
adapter plate on vise again.
SMT584A
SMT585A
MT-78
SMT485C
GEAR COMPONENTS
n.Select pr op er m ainshaft C-ring to minimize cl ea rance of groove.
Refer to MT-83, "
Mainshaft C-ring
groove allowable clearance
o.Install selected mainshaft C-ring, C-ring holder and mainshaft
rear snap ring.
MAINSHAFT C-RING" .
: 0 - 0.1 mm (0 - 0.003 in)
[FS5R30A]
A
B
MT
SMT452A
D
E
F
p.Select pro pe r c ou nte r ge ar re ar s n ap ring to minimize clearance
of groove. Refer to MT-83, "COUNTER GEAR REAR SNAP
RING" .
Counter gear rear snap
0 - 0.1 mm (0 - 0.003 in)
ring groove allowable
clearance
q.Install selected counter gear rear snap ring.
SMT454A
SMT453A
G
H
I
J
K
L
M
r.Install reverse coupling sleeve.
● Pay attention to its direction.
SMT455A
SMT456A
MT-79
GEAR COMPONENTS
s.Measure each gear end play as a final check. Refer to MT-81,