Page 453 of 1395
Transmission Assembly
Disassembly
1. Remove the transfer assemblv.
O-RINGReplace.
Remove the shift arm cover assembly, and wiDe itclean of the sealant.
SHIFT ARM COVER ASSEMBLY
10 x 12 mm DOWEL ptN
13-14
3. Remove the interlock bolt.
SELECT ARM
SHIFT ARM SHAFT
Turn the select lever counterclockwise, then removethe shift arm A finger from the groove of the shiftforks.
Turn the shift arm shaft counterclockwise andremove the select arm finger from the groove of theshift arm A. then remove the shift arm shaft assem-blv.
Remove the vehicle speed sensor (VSS).
5.
6.
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Page 454 of 1395
7. Remove the set ball screws, washers, springs, steel
balls. and back-uP light switch.
STEEL BALLD. 5/16 in
8. Remove the flange bolt. drain plug, and filler plug
DRAIN PLUG
WASHERReplace.
LIGHT SWITCH
FILLER PLUG
WASHERReplace.
FLANGE BOLT
9. Remove the transmission housing mounting bolts
in a crisscross pauern in several steps.
10. Remove the 32 mm sealing bolt
Expand the snap ring on the countershaft ball bear-
ing, and remove it from the groove using a pair of
snap ring plier.
Separate the transmission housing from the clutch
housing.
Remove the dowel pins, and wipe it clean of the
sealant.
'I t.
(cont'd)
13-15
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Page 456 of 1395
20.
2't.
19. Remove the reverse lock cam.
lf necessary, check the clearance of the reverse shift
holder (see page 13-20).
Remove the reverse shift holder.
HOLOER
22. '97 - 99 models: Remove the reverse gear shaft and
the reverse idler gear.'00 model: Remove the reverse gear shaft, reverse
idler gear, thrust washer and the coller.
13-17
23. Remove the mainshaft and countershaft assemblies
with the shift forks from the clutch housing.
NOTE; Before removing the mainshaft and counter-
shaft assemblies, tape the mainshaft spline to pro-
tect it.
ASSEMBLY
Tape the main'
shaft splines.
WASHER
SPRING WASHER
24. Remove the differential asssmbly.
COUNTEBSHAFT
HOUSING
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Page 457 of 1395

Shift Arm Cover/Shift Arm Shaft Assembly
Disassembly/Reassembly
Shift Arm Cover Ass€mbly
1. Remove the breather cap and set ball screw, washer,
spring. and steel ball.
BREATHER CAP
SPRINGL,25.6 mm (1.01 in.l
T BALL SCREW22 N.m 12.2 kgtm, 16lbf.ftl
Remove the special bolt and conical spring washers.
SHIFTARMCOVER
THRUST WASHER
SHIFI ARM C
WASHER 8x1.0mft
SHIFT LEVER
29 N.m 13.0 kg{.m,z2 tbt.ftl
arm C, and thrustRemove the shift lever, shift
washer from the shift arm cover.
Remove the oil seal.
NOTE: lnstall the thrust washer
face toward shift arm cover.
STEEL BALLD. 5/16 in,
13-18
with the alloy sur-
3. Install in the reverse order of removal.
5. Install the oil seal in to the shift arm cover usino thesDecialtools.
HANOLE07749 - 0010000
ATTACHMENT,32x35mm077a6 - 0010100
OIL SEALReplace.
6. Reassemble the shift arm cover in the reve.se order
of disassembly.
Shift Arm Shaft Assembly
1. Remove the special bolts and conical spring wash-
ers.
SPCCIAL BOLT8x1.0mm29 N.m (3.0 kgf.m,SHIFTARMA 22IbI.ftICONICAL SPRING
SHIFT ARM SHAFT
SPECIAL BOLT8x1.0mm29 N.m {3.0 kgf.m, 22 lbtft}
2. Remove the interlock, shift
from the shift arm shaft.
SPRINGWASHER
arm A, and shift arm B
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Page 462 of 1395

Mainshaft Assembly
lndex
Note the Iollowing during reassembly:
. The 3rd/4th, and 5th synchro hubs, and the ball bearing are installed with a press.
. Installthe angular ball bearing with the thin-edged outer race facing the stop ring
prior to reassembling, clean all the parts in solvent, dry them, and apply lubricant to any contact surfaces. The
3rd/4th and 5th svnchro hubs, however, should be installed with a press before lubricating them'
ANGULAR EALL BEARINGCheck for wear and operation.Note the directionof installation.SYNCHRO RINGInspection, page l3 37
SYNCHRO HUBlnspection, page 13-36
SYNCHRO SLEEVEInspection, page 13 36
SPRING
SYNCHRO
SYOP RING
TAPER RING
BEARINGCheck Ior wear and operataon.
COLLAR
RINGInspection, page 13-37
SYNCHRO SPRING
SYNCHRO HUBInspection, page 13_36
SYNCHRO SLEEVEInspection, page 13 36
SPFING
RINGInspection, page 13_37
GEARInspection, page 13_25, 37
COLLARInspection, page 13-24, 25
GEARInspection, page 13 24, 37
Inspection,page 13-37
3RD GEARInspeclton,page 13 24,37
BEARINGCheck for wearano operalton.
Inspection, page 13 26
NEEDLE BEARINGCheck for wear and operat,on.
13-23
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Page 463 of 1395

Mainshaft Assembly
Clearance Inspection
NOTE; lf replacement is required, always replace the
synchro sleeve and hub as a set.
L Support the bearing inner race with a socket. and
Dush down on the mainshaft.
2. Measure the clearance between 2nd and 3rd oears.
Siandard: 0.06 - 0.21 mm 10.002 - 0.008 in)
Servica Limit: 0.3 mm (0.01 in)
lf the clearance is more than the service limit, mea-
sure the thickness of 3rd gear.
Standard: 34.92 - 34.97 mm {1.375 - 1.377 in)
Service Limit 34.8 mm (1.37 in)
3RD GEAR
lf the thickness of 3rd gear is less than the ser-
vice limit, replace 3rd gear with a new one.
lf the thickness of 3rd gear is within the service
limit, replace the 3rd/4th synchro hub with a new
one.
13-24
+
4. Measure the clearance between 4th gear and the
spacer coIar,
Standard: 0.06 - 0.21 mm {0.002 - 0.008 in)
Servic€ Limit: 0.3 mm {0.01 inl
lf the clearance is more than the service limit, mea-
sure distance @ on the spacer collar,
Standard: 26.03 - 26.08 mm {1.025 - 1.027 inl
Service Limit: 26.01 mm {1.02,[ in]
o[-l:-g;;em
fp-rro.ERcoLLAR
6.tf distance @ is less than the service limit, replace
the sDacer collar with a new one.
lf distance @ is within the service limit. measure
the thickness of 4th gear.
Standard: 31.42 - 31.'17 mm 11.237 - L239 inl
Sarvicc Limit:31.3 mm {1.23 in)
lf the thickness of 4th gear is less than the ser-
vice limit, replace 4th gear with a new one.
lf the thickness of 4th gear is within the service
limit, replace the 3rd/4th synchro hub with a new
one,
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Page 464 of 1395

7. Measure the clearance between the spacer collar
and 5th gear.
Standard: 0.06 - 0.21 mm {0.002 - 0.008 in)
Service Limit: 0.3 mm {0.01 in)
MAINSHAFT
SPACER COLLAR
8.
SOCKET5TH GEAR
lf the clearance is more than the service limit, mea-
sure distance @ on the spacer collar
Standard: 26.03 - 26.08 mm 11.025 - 1.027 in)
S€rvico Limit: 26.01 mm (1.024 in)
9.
SPACERCOLLAR
5TH GEARSIDE
lf distance @ is less than the service limit, replace
the spacer collar with a new one.
lf distance @ is within the service limit, measure
the thickness of sth gear.
Standard: 30.92 - 30.97 mm (1.217 - 1.219 in)
Service Limit: 30.8 mm (1.21 in)
r-- ,,srH GEAR
gt Fq
I .J'-----!--\--J-l
lf the thickness of 5th gear is less than the ser-
vice limit, replace 5th gear with a new one.
li the thickness of sth gear is within the service
limit, replace the sth synchro hub with a new
one.
Disassembly
1. Support 5th gear on steel blocks, and press the
mainshaft out of the 5th synchro hub, as shown. Do
not use a jaw-type puller, because it can damage
the gear teeth.
PRESS
I
ACHMENT
In the same manner as above, support the 3rd gear
on steel blocks. and press the mainshaft out of the
3rd/4th svnchro hub, as shown.
PRESS
I
BLOCKS
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Page 465 of 1395
Mainshaft Assembly
Inspection
1.Inspect the gear surface and bearing surface for
wear and damage, then measure the mainshaft at
points A, B, and C.
Standard:
A (Ball bearing surface): 27.987 - 28.000 mm
11.1018 - 1.1024 inl
B (Needle bearing surfacel: 37.984 - 38.000 mm(1.4954 - 1.4961 inl
C {Bafl bearing surfacel: 27.977 -27.990 mm
(1.1015 - 1.1020 inl
Service Limit: A:27.94 mm (1.100 in)
B: 37.93 mm (1.'193 inl
C: 27.94 mm 11.100 inl
Inspect oil passages Ior clogging.
lf anv oart of the mainshaft is less than the service
limit. reolace it with a new one.
2. Inspect for runout.
Standard: 0.02 mm (0.0008 in) max.
Service Limit: 0.05 mm 10.002 inl
NOTE: Support the mainshaft at both ends
sh own.
lf the runout is more than the service limit, reDlace
the mainshaft with a new one.
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