Nissan Terrano r20e. Instruction — part 385
7. 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.
b. Install mainshaft a little on mainshaft front bearing.
To allow for installation of counter gear, do not install main-
shaft completely.
c. Install counter gear on counter gear rear bearing and install
main drive gear, pilot bearing and spacer on mainshaft.
When installing counter gear into counter gear rear bearing,
push up on upper roller of counter gear rear bearing with
screwdriver.
d. Install mainshaft and counter gear completely by tapping rear
side of adapter plate and pulling mainshaft.
SMT436A
SMT440A
SMT441A
SMT442A
SMT443A
ASSEMBLY
Gear Components (Cont’d)
MT-28
8. Install rear side components on mainshaft and counter gear.
a. Install OD gear bushing while pushing on the front of counter
gear.
b. Install OD main gear.
Pay attention to direction of OD main gear. (B is wider than A
as shown at left.)
c. Install adapter plate with gear assembly onto transmission
case.
d. Install OD gear needle bearing and then install OD counter gear
and reverse idler shaft.
e. Install reverse cone.
f.
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.
SMT444A
SMT580A
SMT582A
SMT571A
SMT583A
ASSEMBLY
Gear Components (Cont’d)
MT-29
g. Install reverse counter gear.
h. Install reverse gear needle bearing and then install reverse
main gear, reverse idler gear and reverse idler thrust washers.
i.
Install reverse hub.
Pay attention to its direction.
j.
Install counter rear gear end bearing.
k. Separate adapter plate from transmission case and mount
adapter plate on vice again.
l.
Select proper mainshaft C-ring to minimize clearance of
groove.
Allowable clearance of groove:
0 - 0.1 mm (0 - 0.004 in)
Mainshaft C-ring
Thickness
mm (in)
Part number
Thickness
mm (in)
Part number
2.63 (0.1035)
32348-01G15
3.19 (0.1256)
32348-01G07
2.70 (0.1063)
32348-01G00
3.26 (0.1283)
32348-01G08
2.77 (0.1091)
32348-01G01
3.33 (0.1311)
32348-01G09
2.84 (0.1118)
32348-01G02
3.40 (0.1339)
32348-01G10
2.91 (0.1146)
32348-01G03
3.47 (0.1366)
32348-01G11
2.98 (0.1173)
32348-01G04
3.54 (0.1394)
32348-01G12
3.05 (0.1201)
32348-01G05
3.61 (0.1421)
32348-01G13
3.12 (0.1228)
32348-01G06
3.68 (0.1449)
32348-01G14
m. Install selected C-ring, C-ring holder and mainshaft rear snap
ring.
SMT584A
SMT585A
SMT587A
SMT452A
SMT454A
ASSEMBLY
Gear Components (Cont’d)
MT-30
n. Install spacer and then select proper counter gear rear snap
ring to minimize clearance of groove.
Allowable clearance of groove:
0 - 0.1 mm (0 - 0.004 in)
Counter gear rear snap ring
Thickness mm (in)
Part number
1.26 (0.0496)
32236-01G08
1.32 (0.0520)
32236-01G00
1.38 (0.0543)
32236-01G01
1.44 (0.0567)
32236-01G02
1.50 (0.0591)
32236-01G03
1.56 (0.0614)
32236-01G04
1.62 (0.0638)
32236-01G05
1.68 (0.0661)
32236-01G06
1.74 (0.0685)
32236-01G07
o. Install selected counter gear rear snap ring.
p. Install reverse coupling sleeve.
Pay attention to its direction.
q. Measure each gear end play as a final check. — Refer to
‘‘DISASSEMBLY’’, MT-14.
Shift Control Components
1. Install OD fork rod and OD shift fork. Then install retaining pin
into OD shift fork.
2. Install 1st & 2nd, 3rd & 4th and reverse shift fork onto coupling
sleeve.
3. Install striking rod into hole of shift forks, striking lever and
interlock and then install retaining pin into striking lever.
Make sure that striking rod moves smoothly.
SMT453A
SMT455A
SMT456A
SMT457A
SMT374A
ASSEMBLY
Gear Components (Cont’d)
MT-31
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