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 455 of 1395
Transmission Assembly
Disassembly (cont'dl
14. Remove the oil gutter plate, 78 mm shim, and oilguide M plate.
OIL GUIDE M PLATE
15. Remove the select spring bolt.
OIL GUTTER PLATE
SELECT SPRING BOLT
13-16
18. Remove the oil seal.
16.Remove the spring pin using the pin punch and apair of diagonal cutters.
PIN PUNCH, 5.0 mm
17. Remove the select lever, springs, washer, and selectarm.
SEL€CT LEVER
{
V
OIL SEALReplace.
THRUST WASHER
Replace.
SELECT ARM
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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 467 of 1395
Countershaft Assembly
Index
NOTE:
3
The 3rd, 4th. and sth gear are installed with a press.
Prior to reassembling, clean all the parts in solvent, dry them, and apply lubricant to any contact surfaces. The 3rd,
4th, and sth gears, however. should be installed with a press before lubricating them.
LOCKNUT Replace.127-o-127N.m
113-0- 13kstmi
\94-0- 9.trbtft /
IST/2ND SYNCHRO HUBInspection, page 13 36
Check lor wear anddamage.
THRUST WASHERInspection, page 13-29
DAMPER
WASHER
AEARINGCheck for wear and ooeration.
BEARINGCheck for wear andoperation.
GEAR
4TH GEAR
3RD GEAR
GEAR
SPNING
DOUBI.f CONE
Inspection, page 13-37
1ST GEARInspection, page 13 29,37
BEARINGCheck tor wear and operation.
Inspection, page 13-30, 37
NEEDLE BEARINGCheck for wear and oPeration
SPACERSelection, page 13-30
DAMPERCheck for wear and damage.
DOUBLE CONE
Inspection, page 13-37
SPRING
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Page 468 of 1395
Clearance Inspection
NOTE: lf replacement us required, always replace the
synchro sleeve and hub as a set.
1. Measure the clearance between the lst oear and
thrust washer.
Standard: 0.06 - 0.18 mm (0.@2 - 0.007 in)
Servica Limit:0.23 mm {0.009 in)
THRUST WASHER
2.lf the clearance is more than the service limit, mea-
sure the thickness of the thrust washer.
Standsrd: 1.95 - 1.97 mm (0.077 - 0.078 in)
3. lf the thickness is less than the standard, reDlace the
thrust washer with a new one. lf the thickness is
within the service limit, measure the thickness of
the 1st gear.
Standard: 26.95 - 27.00 mm (1.061 - 1.063 inl
lf the thickness of 1st gear is less than the stan-
dard, replace 1st gear with a new one.
lf the thickness of lst gear is within the standard.
replace 1sv2nd synchro hub with a new one.
{cont'd}
13-29
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Page 470 of 1395
Disassembly
1.
2.
Securely clamp the countershaft assembly in a
bench vise with wood blocks.
SPRIiIG WASHEF
BETICHvtsE
W(X)D BLOCKS
Raise the locknut tab from the groove in the coun-
tershaft, then remove the locknut and the spring
washer.
Remove the ball bearing using a press as shown.
CHISEL
4. Remove the Jriction damper from the spacer using a
press and a socket.
Support lst gear on steel blocks, and press the
countershaft out of 3rd gear.
PRESS
t
5.
PRESS
I
3RD GEAR
1ST GEAR
FRICTION DAMPERInspect lor wear and damage.
13-31
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Page 474 of 1395
8. Install sth gear using the special tools and a press.
PRESS
I
DRIVER, 40 mm l.D.
07715 - 0030300
ATTACHMENT,30 mm LD.077,16 - 0030300
LInstall the needle bearing using the special tools
and a press, then installthe bearing outer race
PRESS
I
DRIVER. 40 mm l.D.077{6 - 0030100
ATTACHMENT,30 mm l.D.07746 - 0030300
NEEDLEBEASING
10. Install the ball bearing using the special tools and a
press.
PRESS
I
DRIVER. 40 mm LD.07746 - 0030100
ATTACHMENT,30 mm LD.077a6 - 0030300
11.Securely clamp the countershaft assembly in
bench vise with wood blocks.
LOCKNUTReplace.
Install the spring washer.
Install the new locknut to the correct torque, then
stake the locknut tab into the groove.
Torque: 127 + 0 + 127 N.m 113 - 0 +13 kgf.m,
94+0-94|bf.ft)
12.
wooD slocKs
13-35
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