Baulk Ring Clearance ...........................................118
Revision: November 20052005 Frontier
MT-2
PRECAUTIONS
[FS5R30A]
PRECAUTIONSPFP:00001
Service Notice or PrecautionsUCS0040T
●Do not reuse transmission oil once it has been drained.
●Check oil level or replace oil with vehicle on level surface.
●During removal or installation, keep inside of transmission clear of dust or dirt.
●Check for t he corr ect installation status p rior to re moval o r disassem bly. If matching marks are requ ired,
be certain they do not interfere with the function of the parts they are applied to.
●In principle, tighte n nuts and b olts gradually i n several ste ps working d iagonally fro m inside to ou tside. If
tightening sequence is specified, use it.
●Be careful not to damage sliding surfaces and mating surfaces.
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Revision: November 20052005 Frontier
MT-3
PREPARATION
[FS5R30A]
PREPARATIONPFP:00002
Special Serv ice ToolsUCS003ZF
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number
(Kent-Moore No.)
Tool name
ST23540000
(J-25689-A)
Pin punch
NT442
ST30031000
(J-22912-01)
Puller
NT411
ST33290001
(J-34286)
Puller
Description
Removing and installing retaining pin
a: 2.3 mm (0.091 in) dia.
b: 4 mm (0.16 in) dia.
● Removing 1st and 2nd synchronizer as-
sembly
● Removing counter gear rear thrust bearing
● Removing main drive bearing
● Inspecting baulk ring wear
a: 90 mm (3.54 in) dia.
b: 50 mm (1.97 in) dia.
Removing rear oil seal
ST33230000
(—)
Drift
ST22350000
(J-25678-01)
Drift
KV38100300
(J-25523)
Drift
ST30720000
1. (—)
2. (J-25405)
Drift
WMT066
Removing counter gear
a: 51 mm (2.01 in) dia.
b: 28.5 mm (1.122 in) dia.
NT084
Removing counter gear front bearing (Use
with KV38100300)
a: 34 mm (1.34 in) dia.
b: 28 mm (1.10 in) dia.
NT065
● Removing counter gear front bearing (Use
with ST22350000)
● Installing counter gear rear bearing
a: 54 mm (2.13 in) dia.
b: 32 mm (1.26 in) dia.
NT084
1. Removing and installing mainshaft front
bearing
2. Installing rear oil seal
a: 77 mm (3.03 in) dia.
b: 55.5 mm (2.185 in) dia.
NT115
Revision: November 20052005 Frontier
MT-4
PREPARATION
[FS5R30A]
Tool numbe r
(Kent-Moore No.)
Tool name
ST33210000
1. (J-25523)
2. (J-25803-01)
Drift
ST30613000
(J-25742-3)
Drift
ST37750000
1. (J-25863-01)
2. (J-34332)
3. (J-34334)
4. (J-25679-01)
Drift
ST22452000
(J-34337)
Drift
NT084
NT073
NT065
Description
1. Installing counter gear front bearing
2. Installing front cover oil seal
a: 44 mm (1.73 in) dia.
b: 24.5 mm (0.965 in) dia.
Installing main drive gear bearing
a: 72 mm (2.83 in) dia.
b: 48 mm (1.89 in) dia.
1. Removing counter gear rear bearing
2. Installing OD gear bushing
2. Installing reverse cone
3. Installing reverse counter gear
4. Installing counter gear rear end bearing
a: 40 mm (1.57 in) dia.
b: 31 mm (1.22 in) dia.
Installing reverse synchronizer hub
a: 45 mm (1.77 in) dia.
b: 36 mm (1.42 in) dia.
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MT
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—
(J-26349-3)
Puller leg
—
(J-34328)
Puller
—
(J-34342)
Drift
NT065
NT078
NT079
NT065
Installing mainshaft and counter gear (Use
with J-34328)
Installing mainshaft and counter gear (Use
with J-26349-3)
● Installing OD main gear
● Installing reverse gear bushin g
a: 44.5 mm (1.752 in) dia.
b: 40.5 mm (1.594 in) dia.
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Revision: November 20052005 Frontier
MT-5
PREPARATION
[FS5R30A]
Tool number
(Kent-Moore No.)
Tool name
—
(J-26349-A)
Bearing Remover and Installer Set
WMT065
—
(J-25726-B)
Puller
ZZA0010D
Description
Removing and installing mainshaft rear bearing (Use with J-25726-B)
Removing and installing mainshaft rear bearing (Use with J-26349-A)
Commercial Service ToolUCS003ZG
Tool nameDescription
Puller
● Removing counter gear rear end bearing
● Removing revers e synchr onizer hub
● Removing reverse cone
● Removing reverse gear bushing
● Removing reverse counter gear
NT077
Power toolLoosening bolts and nuts
PBIC0190E
Revision: November 20052005 Frontier
MT-6
NOISE, VIBRATION , AND HARSHN ESS (NVH) TR OUBLESH OOT ING
[FS5R30A]
NOIS E, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Troubleshooting ChartUCS003ZH
Use the char t below to hel p you find the c ause o f the pro blem. Th e numbers indicate the ord er of th e inspec tion. If necessary, repair or replace these parts.
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Reference page
SUSPECTED PARTS
(Possible cause)
MT-9
MT-17
MT-23
MT-19
MT
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Symptom
OIL (Level low )
OIL (Wrong)
OIL (Level too high)
GASKET (Damaged)
OIL SEAL (Worn or damaged)
O-RING (Worn or damaged)
CHECK PL UG RETURN SPRING AND CHECK BALL (Worn or damaged )
SHIFT FO RK (Worn)
GEAR (Worn or damaged)
BEARING (Worn or damaged)
BAULK RING (Worn or damaged)
Noise1233
Oil leakage31222
Hard to shift or will not shift1122
Jumps out of gear122
4.3rd and 4th shift fork5.Transmission case6.3rd and 4th coupling sleeve
7.Striking interlock8.3rd main gear9.2nd main gear
10. 1st main gear11. OD main gear12. Striking rod
13. Rever se shift fork14. Shift lever15. Main shaft
16. Mainshaft rear bearing17. Counter gear rear end bearing18. Reverse main gear
19. Rear extension20. OD counter gear21. Adapter plate
22. Mainshaft front bearing23. Drain plug24. 1st and 2nd coupling sleeve
25. Counter gear26. Sub-gear bracket27. Counter gear front bearing
28. Main drive gear bearing29. Main drive gear
Revision: November 20052005 Frontier
MT-8
M/T OIL
[FS5R30A]
M/T OILPFP:KLD20
ChangingUCS0040V
DRAINING
1.Start the engine and let it run to warm up the transmission.
2.Stop the engine. Re move the transmission drain plug and drain the oil.
3.Set a gasket on the dra in plug and install it to th e transmission. Tighten th e drain plug to the spe cified
torque. Refer to MT-17, "
CAUTION:
Do no reuse gasket.
CASE COMPONENTS" .
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FILLING
1.Remove the filler plug. Fill with new oil until oil level reaches the
specified limit near the filler plug hole.
Oil grade and Viscosity:
Refer to MA-11, "
Fluids and Lubricants" .
Oil capacity:
Refer to MA-11, "Fluids and Lubricants" .
2.After refilling the oil, check oil level. Set a gasket to the filler
plug, then in stall it to the transmissi on. Tighten the filler plug t o
the specified torque. Refer to MT-17, "
CASE COMPONENTS" .
PCIB0268E
CAUTION:
Do not reuse gasket.
CheckingUCS0040W
OIL LEAKAGE AND OIL LEVEL
●Make sure that oil is not leaking from the transmission or around it.
●Check oil le vel from the filler plug hole as shown.
CAUTION:
Do not start engine while checking oil level.
●Set a gasket on the filler plug and install it to the transmission .
Tighten the filler plug to the specified torque. R efer to MT-17,
"CASE COMPONENTS" .
CAUTION:
Do not reuse gasket.
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PCIB0268E
Revision: November 20052005 Frontier
MT-9
M
REAR OIL SEAL
[FS5R30A]
REAR OIL SEALPFP:33140
Removal and InstallationUCS0040U
REMOVAL
1.Re move th e r ear pr opeller shaft. Refe r t o PR -10, "R emoval and
Installation" .
2.Re move the rear oil seal using Tool.
Tool number: ST33290001 (J-34286)
CAUTION:
Do not reuse rear oil seal.
WCIA0176E
INSTALLATION
Installation is the reverse order of removal.
●Drive the new oil seal straight until it stops using Tool.
Tool number: ST30720000 (J-25405)
CAUTION:
● Do not reuse rear oil seal.
● Apply multi- purpose gre ase to oil se al lips before install-
ing.
● Do not incline rear oil se al during installation.
●Check the transmis sion oil le vel after in stallation. Re fer to MT-9,