2000 NISSAN PATROL Electronic Repair Manual

b. Drive out retaining pin from reverse shift fork, then drive out
reverse fork rod and fork rod cap with brass bar.
c. Remove interlocking parts.
d. Drive out retaining pins from 3rd & 4th shift fork and 3rd &
4th rod bracket, then drive out 3rd & 4th fork rod and fork rod
cap with brass bar.
e. Drive out retaining pins from 1st & 2nd shift fork and 1st &
2nd rod bracket, then drive out 1st & 2nd fork rod and fork
rod cap with brass bar.
5. Drive out striking rod with brass bar through control rod plug
on gear shift housing.
SMT549D Mating surface
Striking lever
Gear shift housing
Striking rod cap Retaining pin Striking rod
SMT296D 1st & 2nd fork rod1st & 2nd shift fork3rd & 4th rod bracket
1st & 2nd rod bracket
Alignment portion
Front
Gear shift housing
Reverse shift fork
Striking lever
Striking rod
Reverse fork rod 3rd & 4th shift fork3rd & 4th fork
rod
SMT545D Interlock plungerPlug
Interlock pinCheck ballCheck ball spring
SMT294D
DISASSEMBLYFS5R50B
Shift Control Components (Cont'd)
MT-1017

6. Drive out slide ball bearing using SST.
7. Remove caps.
Gear Components
TRANSMISSION CASE
1. Remove snap ring for mainshaft rear end bearing.
2. Pull out mainshaft rear end bearing, then remove mainshaft
spacer.
3. Check OD counter gear end play.
Gear end play
Gear End play mm (in)
OD counter gear 0.20 - 0.47 (0.0079 - 0.0185)
lIf not within specification, disassemble and check contact
surface of gear to hub, washer, bushing, needle bearing and
shaft.
SMT328D Slide ball bearing
Slide ball bearing
Tool
Gear shift housing
SMT291D
SMT277D Mainshaft rear end bearing
Snap ring
Rear
SMT278D Mainshaft spacer
Puller
SMT264B Feeler gauge
DISASSEMBLYFS5R50B
Shift Control Components (Cont'd)
MT-1018

4. Remove counter gear rear snap ring.
5. Remove lock plate of reverse idler shaft and then remove
reverse idler gear, washers, reverse idler needle bearings
and reverse idler shaft.
6. Pull out the following parts.
lOD counter gear
lOD synchronizer assembly with OD shift fork and OD fork
rod
7. Pull out OD gear bushing and thrust washer.
8. Remove bolts securing bearing retainer and then remove
bearing retainer.
9. Pull out OD main gear.
SMT265B
SMT863A
SMT266B Puller
SMT279D Mainshaft
OD gear bushing
Bearing retainer
Rear
SMT268B Puller
DISASSEMBLYFS5R50B
Gear Components (Cont'd)
MT-1019

10. Remove mainshaft bearing snap ring.
11. Pull out mainshaft bearing.
12. Support mainshaft with hoist.
13. Remove bolts securing front cover and then remove front
cover.
14. Remove counter gear front bearing outer race.
lTap rear end of counter gear lightly before removing
bearing.
15. Remove counter gear rear bearing outer race.
lTap front end of counter gear lightly before removing
bearing.
16. Settle counter gear assembly down on bottom of transmis-
sion case.
17. Remove main drive gear assembly.
lSet cutting portion of clutch gear on main drive gear to
upper side.
SMT281D Mainshaft bearing
Puller Rear
SMT319D Rear
SMT282D
SMT283D (Outer race)
Counter gear rear bearing
(Inner race)
SMT284D Upper
Rear view
Front
DISASSEMBLYFS5R50B
Gear Components (Cont'd)
MT-1020

18. Remove mainshaft assembly.
19. Remove counter gear assembly.
MAIN DRIVE GEAR
1. Remove main drive gear snap ring and main drive bearing
snap ring.
2. Press out main drive gear bearing.
MAINSHAFT AND GEARS
1. Before disassembly, check 1st, 2nd, 3rd and reverse main
gear end play.
Gear end play:
Unit: mm (in)
Gears End play
1st main gear 0.20 - 0.48 (0.0079 - 0.0189)
2nd main gear 0.20 - 0.60 (0.0079 - 0.0236)
3rd main gear 0.20 - 0.45 (0.0079 - 0.0177)
OD counter gear 0.20 - 0.47 (0.0079 - 0.0185)
Reverse main gear 0.20 - 0.44 (0.0079 - 0.0173)
lIf not within specification, disassemble and check contact
surface of gears to hub, washer, bushing, needle bearing and
shaft.
SMT285D Mainshaft
assembly
Rear
SMT286D Counter gear
Rear
SMT420AA
SMT287D 2nd main gear
3rd main gear
Front
Main drive gearFeeler gauge1st main gearReverse main gear
SMT907A 3rd main gear
Dial indicator
Puller
DISASSEMBLYFS5R50B
Gear Components (Cont'd)
MT-1021

2. Remove 3rd & 4th hub snap ring.
3. Pull out 3rd main gear together with 3rd & 4th synchronizer
assembly and 3rd gear needle bearing.
4. Pull out 3rd gear bushing.
5. Remove 2nd main gear and 2nd gear needle bearing.
6. Pull out reverse synchronizer assembly.
7. Remove reverse main gear and reverse gear needle bearing.
8. Remove 1st & 2nd hub snap ring.
9. Press out 1st main gear together with 1st & 2nd synchronizer
assembly.
COUNTER GEAR
1. Remove sub-gear components.
a. Remove sub-gear snap ring.
b. Remove sub-gear, sub-gear washer and sub-gear spring.
SMT908A Puller
SMT839A Puller
SMT274B Puller
SMT911A
SMT333D
DISASSEMBLYFS5R50B
Gear Components (Cont'd)
MT-1022

2. Pull out counter gear front and rear bearing inner race.
SMT924A Counter gear front
bearing inner raceCounter gear rear
bearing outer race
Puller
Puller
DISASSEMBLYFS5R50B
Gear Components (Cont'd)
MT-1023

Shift Control Components
lCheck contact surface and sliding surface for wear,
scratches, projections or other damage.
Gear Components
GEAR AND SHAFT
lCheck for cracks, wear or bending.
lCheck gears for excessive wear, chips or cracks.
SYNCHRONIZER
lCheck spline portion of coupling sleeves, hubs and gears for
wear or cracks.
lCheck baulk rings for cracks or deformation.
lCheck shifting inserts for wear or deformation.
SMT301D
SMT276B
SMT946A
SMT925A
SMT387A shifting insert
Spline
portion
INSPECTIONFS5R50B
MT-1024