Page 351 of 1413

12 N.m (1.2 kgim,9 lbnft)
15 N.m (1.5 kgnm, 11 lbf.ft)
15 N.m (1.5 kgf.m, 11 lbf.ft)
24 N.m (2.4 kgf.m, 17 lbf'ft)
27 N.m (2.8 kgnm,20 lbnft)
30 N.m (3.1 kgf.m, 22 lbf'ft)
Bolt Size
,l
{
@@69
@
@@@@@@@@6Dq0
o€xv0@
@0!@@@@al
61@
B
c
D
E
F
6x1.0mm
6x1.0mm
I x 1.0 mm
8 x 1.25 mm
8 x 1.25 mm
8 x 1.0 mm
i) BALL BEARINGe sroPPER R|NG9 TAPER RINGA NEEDLE EEARINGO SPACER.d SYNCHRO RINGt sYNcHRo SPR|NG!) 5TH/REVEFSE sYNcHRo SLEEVEO 5TH/REVERSE SYNCHRO HUB[0 sYrucxao nlrucii i) 5TH GEARO 38 x 43 x 26 mm NEEDLE BEARINGt3 SPACEE COLLARO 4TH GEAR.iB SYNCHRO FING.Ii9 SYNCHRO SPRING{, 3RD/,ITH SYNCHRO HUB
@ 3RD/4TH SYNCHBO SLEEVEt9 3RD GEARO MAINSHAFTO wasHER@) SPRING WASHER40 BALL BEARINGO 28 x 41 x ? mm OIL SEAL Replace.ad 35 x 56 x 8 mm OIL SEAL Replace.a0 14 x 20 mm OOWEL PIN@ OIL CHAMBER PLATE'A BEVERSE IDLEN GEAR SHAFT@ wasHER t-2).A REVERSE IDLER GEAFO REVERSE CHANGE HOLDER3A sTH/REVERSE SHIFT PIECEO 1ST/2ND SHIFT FORK04 3RD/.TH sHlFr FoRK@ 5TH/REVERSE SHIFT FORKO9' OIL GUTTER PLATE6' SNAP RING@ 72 mm THRUST SHIM) OIL GUIOE PLATEi!0 10 mm WASHER Replace..4i] REVERSE IDLER GEAR SHAFT BOLT54 N.m {5.5 kgt m, 40lblftl) TRANSMISSION HANGER B(3 BREATHER CAP@ TRANSMISSION HANGER A63 BACK.UP LIGHT SWITCH25 N.m (2.5 ksf.m, 18lbfftl@r 14 mrn waSHER Replace.67 16 mm SEALING BOLT29 N.m (3.0 kgl.m, 22 lbf ft)@ 32 mm SEALING BOLT25 N.m (2.5 kgf.m. 18lbt'ft|@ 40 x 62 x 9 mm OIL SEAL Replace.D STEEL BALL D. 5/16 inGl SPRING L. 30 mm {1.2 in}
@ 12 mm WASHER Replace.63) SET SCREW22 N.m 12.2 kgl.m, 16 lbt'ft,@ OIL ORAIN PLUG39 N.m {4.0 kgt.m, 29 lbf'ftl€9 WASHER Replace.@ oIL FILLER PLUG4,1N.m 14.5 kgJ m, 33 lblftl
*1:81881 engine*2:B18Cl engine
WASHER Beplace.TRANSMISSION HOUSING80 mm SHIM (*1)79.5 mm SHIM {*21THRUST SHIM {*2IT. 2.0 mm (0.079 in)BEARING OUTER RACE {*2}SHIFT PIECE SHAFTINTERLOCKSHIFT PIECESHIFT ARM HOLDERSELECT ARMSELECT RETURN SPRING10 mm SHIM10 mm WASHERLOCK COLLAR3 x 16 mm SPRING PIN Replace.8 mm SPRING WASHERCHANGE PIECESET SCREW22 N.m {2.2 kgf.m, 16 lbf.ft}SPRING L.25.6 mm {1.01 inlSTEEL BALL D. 5/16 inMAGNETCLUTCH HOUSING14 x 25 x 16 mm OIL SEAL Replace.SHIFT RODDIFFERENTIAL ASSEMBLYSee section 15BEARING OUTER RACE I*2ITHRUST SHIM I*2)T. 2.5 mm (0.098 in,SHIFT ROD BOOTOIL GUID€ PLATE33 x 60 x 20 mm NEEDLE BEARINGBEARING RETAINER PLATELOCK WASHER Replace.COUNTERSHAFTTHRUST SHIM37 x 42 x 25 mm NEEDLE BEARINGlST GEARFRICTION DAMPERSYNCHRO RINGSYNCHRO SPRINGlST/2ND SYNCHRO HUBREVERSE GEARDOUBLE CONE SYNCHRO I*2ISYNCHRO BING I*1)FRICTION DAMPERSPACER42 x 6? x 24 mm NEEDLE BEARING2ND GEAR3RD GEAR4TH GEAS5TH GEARNEEDLE BEARINGBALL BEARINGSPRING WASHERLOCKNUT Replace.108 - 0- 108 N.m(11.0 - 0* 11.0 kgt m,80- 0- 80lbf.ft)5 x 22 mm SPRING PIN Replace.00
13-9
Page 352 of 1413
Transmission Housing
Removal
NOTE:
. lf the transmission housing or clutch housing a.ereplaced, the bearing proload must be adjusted(818C1 engine).
. Place the clutch housing on two pieces of wood thickenough to keep the mainshaft from the hitting the
workbench.
1. Remove the back-up light switch.
2. Remove the transmission hanger B,
3. Remove the set screws, the springs, and the steel
balls.
Tna sMtsstoN
SPBINGL. 30 mm11.2 inl
SET SCBEW
WASHERReplace.
4. Remov€ the reverse idler gear shaft bolt,
WASHERReplace.
REVERSE
L
13-10
ATTACHING BOLT
5. Loosen the transmission housing attaching bolts in
a crisscross pattern in several steps. then remove
them.TRANSMISSION
Remove the 32 mm sealing bolt.
Expand the snap ring on ths countershaft ball bear-
ing and remove it from the groove using a pair of
snap ring pliers.
32 mm SEALING BOLT
7.
SNAP RING
Page 354 of 1413
Measure the clearance between the reverss idler
gear and the reverse change holder.
Standard: 0.5 - 1.1 mm (0.02 - 0.04 inl
Sorvico Limit: 1.8 mm (0.07 inl
4.lf the clearance is more than the service limit, mea-
sure the width ofthe reverse change hold6r.
St.ndrrd: 13.0 - 13.3 mm (0.512 - 0.52/t inl
lf the width is not within the standard, replace
the reverse change holder with a new one.
lf the width is within the standard, reolaco the
reversa idler gear with a new one.
REVERSE CHA'{GE HOLDER
REVERSE CHANGE HOTI'ER
Reverse Change Holder, Reverse ldler Gear
Clearance Inspection lcont'd)Removal
1. Removo the reverse change holder.
2. Remove the revorss idler g€ar, th€ rev6rs6 idlsrgear shaft, and the washor {B18Cl engine}.
REVERSE IDI.TRGEAF SHAFT
13-12
REVERSE CHAMiE HOII'ER
Page 364 of 1413
Mainshaft Assembly
Clearance Inspection
NOTE: lf replacement is required. always replace the
synchro sleeve and the synchro hub as a set.
1. Measure the clearance between 2nd and 3rd gears.
Standard: 0.06 - 0.21 mm {0.002 - 0.008 inl
Ssrvica Limit: 0.3 mm (0.01 in)
13-22
Engine Type818C181881
Standard34.92 - 34.97 mm
(1.375 - 1.377 in)
34.42 - 34.47 mm
(1.355 - 1.357 in)
Service Limit34.8 mm
(1.370 in)
34.3 mm(1.350 in)
2. lf the clearance is more than the service limit, mea-
sure the thickness of 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.
3RD GEAR
Page 365 of 1413
1.
Measure the clsarance betw€en,lth gear and the
soacer collar.
St.ndffd: 0.06 - 0.21 mm (0.002 - 0.(xt8 in)
Scwicr Limh: 0.3 mm (0.01 in)
lf the clearanc8 is more than the service limit, mea-
sure distance @ on the spacer collar
Stlnd.rd: 26.03 - 26.m mm 11.025 - 1.027 in)
SPACER GOLLAR
,,1
5. lf distance O is not within the standard, replace the
spacer collar with a n€w one. lf distance @ is within
th€ standard, measure the thickness of 4th gear.
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, replaco the 3rdl4th synchro hub with a new
one.
(cont'd)
Engine Type818C181881
Standard31.42 - 31.47 mm
(1.237 - 1.239 in)
30.92 - 30.97 mm
\1.211 - '1.2'19 inl
Service Limit31.3 mm
l'1.232 inl
30.8 mm
(1.213 in)
13-23
Page 369 of 1413

1_
ReassemblV
ATTACHMENT,35 mm LD.07746 - 0o30/rc0
CAUTION:
o Pless the 3rd/ilth and the 5th synchro hubs on the
msinshafi without lubrication.
. When installing the 3rd/4th and the sth synchro
hubs, support the mainshaft on the steel blocks, and
install synchro hubs using a press,
. Install the 3rd/,lth and the sth synchro hubs with a
maximum pressure of 19.6 kN (2.000 kgf, 1+466lbt).
^JOTEi Refer to page 13-21 for reassembly sequence.
Support 2nd gear on steel blocks, then install the
3rd/4th synchro hub using the special tools and a
press, as shown.
NOTE: After installing, check the operation of the
3rd/4th synchro sleeve and hub.
B18Bl sngine:
DRIVER. 40 mm l.D.07746 - 0030100
3RD/4THSYNCHRO HUB
2NO GEAR
8l8Cl engine: Assemble the 3rd/4th synchro hub and
sreeve together before installing them on the mainshaft.
3RO/4TH PRESS
SYNCHRO HU8DRIVER- 4o mm l.D.07746 - tD30100: osed end
3RD/TTHSYNCHROSLEEVE
2, Install the sth synchro
ano a press as snown.
OBIVER, ,O mm LD.0t7it6 - 003010O
ATTACHMENT,35 mm l.D.
hub using the special tools
PRESS
sTH SYNCHRO HUB
077t6 - 00304{x)
Install the ball bearing using the special tools and a
prsss as shown.
NOTE: Install the ball bearing with the tapered end
facing down.
2ND GEAR
13-27
Page 374 of 1413

Countershaft Assembly
Reassembly
GAUTION:
. Pr93r 4th and 5th goar3 on the qountorshrft without
lubricrtion.
. Whon in3talling 4th and sth goa6, srpport the shaft
on st..l block3, 8nd in3tall thc 9.116 uring a prors.
. Inst.ll 4th lnd 5th gcar with a maximum pro33ur€ of
25.5 kN (2,6@ ksr. 18,806 lbo.
NOTE: Refer to page 13-28 for reassembly sequence.
Install the thrust shim and the needle bearinos on
the countershaft.
NEEDLE BEARING
THRUST SHIM
COUNTERSHAFT
Installthe friction damper. the synchro ring, and the
synchro spring on lst gear,
Install the lsv2nd synchro hub by aligning the fin-gers on the friction damper and the grooves in the'lsV2nd synchro hub, as shown.
1ST/2ND
13-32
lST GEAR
4. Install the reverse gear.
Install the synchro spring, and the double cone
synchro (818C'l engine), or synchro ring (81881
engine), as shown.
SYNCHROSPRING
REVERSEGEAfi
Assemble the friction damper, the needle bearing,
and 2nd gear, then install them by aligning the fin-gers on the friction damper and the grooves in the
1sv2nd synchro hub with the fingers of the double
cone synchro and the grooves on 2nd gear, as
shown.
2ND GEAR
NEEDLE BEARING
SPACER
FRICTION DAMPER
8.Install the parts assembled in steps 2 - 6 on the
countershaft.
Install the spacer.
Page 384 of 1413
Transmission
Reassembly (cont'd)
11. Install the change holder assembly.
6x1.0mm15 N.m (1.5 kgf.m,11 tbf.ftl
CHANGE HOLDERASSEMBLY
Install the shift piece
the shift piece shaft.
and the interlock, then install12.
13-42
13. Measure the distance @ after mounting the shiftpiece shaft. lf it's incorrect, check the installation.
Distance O: 11.9 - 12.3 mm 10.47 - 0.48 in)
14.lnstall the washer (B18C1 engine), the reversegear. and the reverse idler gear shaft.
idlo.
REVERSE IDLER GEAR