Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Pathfinder 1999-2003 Approved Nissan Pathfinder 2001 mt
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GI
MANUAL TRANSMISSION
MA
SECTION MT EM
LC
EC
FE
CONTENTS CL
PREPARATION ...............................................................2 DISASSEMBLY ........................................................20
Special Service Tools ..................................................2 INSPECTION..................................................................24
Commercial Service Tool.............................................4 Shift Control Components .........................................24
NOISE, VIBRATION AND HARSHNESS (NVH) INSPECTION ...........................................................24 AT
TROUBLESHOOTING .....................................................5 Gear Components .....................................................24
NVH Troubleshooting Chart.........................................5 INSPECTION ...........................................................24
MANUAL TRANSMISSION..........................................5 ASSEMBLY....................................................................26 TF
ON-VEHICLE SERVICE ..................................................6 Gear Components .....................................................26
Replacing Rear Oil Seal - 2WD Model .......................6 ASSEMBLY .............................................................26
REMOVAL .................................................................6 Shift Control Components .........................................34 PD
INSTALLATION..........................................................6 ASSEMBLY .............................................................34
Position Switch Check - 2WD Model ..........................6 Case Components .....................................................35
Position Switch Check - 4WD Model ..........................7 ASSEMBLY .............................................................35 AX
DESCRIPTION .................................................................8 SERVICE DATA AND SPECIFICATIONS (SDS) .........37
Cross-sectional View - 2WD Model.............................8 General Specifications...............................................37
SU
Cross-sectional View - 4WD Model.............................9 Gear End Play ...........................................................37
REMOVAL AND INSTALLATION .................................10 Clearance Between Baulk Ring and Gear ................37
Removal.....................................................................10 2ND AND 3RD BAULK RING ....................................38 BR
2WD MODEL ...........................................................10 Distance Between Rear Surface of Reverse
4WD MODEL ...........................................................11 Cone and Reverse Baulk Ring..................................38
Installation..................................................................12 Available Snap Ring ..................................................38 ST
OVERHAUL ...................................................................14 MAIN DRIVE GEAR SNAP RING ..............................38
Case Components .....................................................14 MAINSHAFT FRONT SNAP RING .............................38
COUNTER GEAR REAR SNAP RING .......................39 RS
Gear Components .....................................................15
Available C-ring .........................................................39
Shift Control Components .........................................17
MAINSHAFT C-RING ...............................................39
DISASSEMBLY..............................................................18
Available Shim and Washer ......................................40 BT
Case Components .....................................................18
TABLE FOR SELECTING PROPER COUNTER
DISASSEMBLY ........................................................18
GEAR FRONT BEARING THRUST WASHER ............40
Shift Control Components .........................................19
REVERSE IDLER REAR THRUST WASHER .............40
HA
DISASSEMBLY ........................................................19
Gear Components .....................................................20
SC
EL
IDX
PREPARATION
Special Service Tools
Special Service Tools NAMT0001
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number
(Kent-Moore No.) Description
Tool name
ST23540000 Removing and installing retaining pin
(J25689-A) a: 2.3 mm (0.091 in) dia.
Pin punch b: 4 mm (0.16 in) dia.
NT442
ST30031000 Removing 1st & 2nd synchronizer assembly
(J22912-01) Removing counter gear rear thrust bearing
Puller Removing main drive bearing
a: 90 mm (3.54 in) dia.
b: 50 mm (1.97 in) dia.
NT411
ST33290001 Removing rear oil seal
(J25810-A) a: 250 mm (9.84 in)
Puller b: 160 mm (6.30 in)
NT414
ST33230000 Removing mainshaft and counter gear
( -- ) a: 51 mm (2.01 in) dia.
Drift b: 28.5 mm (1.122 in) dia.
NT084
ST22350000 Removing counter gear front bearing (Use with
(J25678-01) KV38100300)
Drift a: 34 mm (1.34 in) dia.
b: 28 mm (1.10 in) dia.
NT065
KV38100300 Removing counter gear front bearing (Use with
(J25523) ST22350000)
Drift Installing counter gear rear bearing
a: 54 mm (2.13 in) dia.
b: 32 mm (1.26 in) dia.
NT065
ST30720000 1 Removing mainshaft front bearing
1 (J34286) 2 Installing mainshaft front bearing
2 (J34331) a: 77 mm (3.03 in) dia.
Drift b: 55.5 mm (2.185 in) dia.
NT115
ST33210000 1 Installing counter gear front bearing
1 (J25523) 2 Installing front cover oil seal
2 (J25803-01) a: 44 mm (1.73 in) dia.
Drift b: 24.5 mm (0.965 in) dia.
NT084
MT-2
PREPARATION
Special Service Tools (Cont'd)
Tool number GI
(Kent-Moore No.) Description
Tool name
MA
ST30613000 Installing main drive gear bearing
(J25742-3) a: 72 mm (2.83 in) dia.
Drift b: 48 mm (1.89 in) dia.
EM
NT073
LC
ST37750000 1 Removing counter gear rear bearing
1 (J34286) 2 Installing OD gear bushing EC
2 (J34332) 2 Removing and installing mainshaft rear bearing
3 (J34334) (4WD model)
4 (J25679-01) 2 Installing reverse cone
Drift 3 Installing reverse counter gear
FE
4 Installing counter gear rear end bearing
NT065
a: 40 mm (1.57 in) dia.
b: 31 mm (1.22 in) dia. CL
ST22452000 Installing reverse hub
(J34337) Installing mainshaft rear bearing (2WD model)
Drift a: 45 mm (1.77 in) dia.
b: 36 mm (1.42 in) dia.
NT065
AT
ST33400001 Installing rear oil seal
(J26082) a: 60 mm (2.36 in) dia. TF
Drift b: 47 mm (1.85 in) dia.
PD
NT086
(J26349-3) Installing mainshaft and counter gear AX
Puller leg (Use with J34328)
SU
NT078
(J34328) Installing mainshaft and counter gear BR
Puller (Use with J26349-3)
ST
NT079
(J26092) Installing sub-gear snap ring
RS
Drift a: 44.5 mm (1.752 in) dia.
b: 38.5 mm (1.516 in) dia.
BT
NT065
(J34342) Installing OD main gear
HA
Drift Installing reverse gear bushing
a: 44.5 mm (1.752 in) dia.
b: 40.5 mm (1.594 in) dia. SC
NT065
EL
IDX
MT-3
PREPARATION
Special Service Tools (Cont'd)
Tool number
(Kent-Moore No.) Description
Tool name
ST33220000 Installing mainshaft rear bearing
(J25804-01) a: 37 mm (1.46 in) dia.
Drift b: 22 mm (0.87 in) dia.
NT084
Commercial Service Tool NAMT0002
Tool name Description
Puller Removing counter gear rear end bearing
Removing mainshaft rear bearing (2WD model)
Removing reverse synchronizer hub
Removing reverse counter gear
NT077
MT-4
NAMT0023
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting Chart
NVH Troubleshooting Chart NAMT0023S01
GI
Use the chart below to help you find the cause of the problem. The numbers indicate the order of the inspec-
tion. If necessary, repair or replace these parts.
MA
MANUAL TRANSMISSION NAMT0023S0101
Refer to MA-22, "Checking M/T Oil".
EM
LC
MT-14
MT-14
MT-17
MT-17
MT-17
MT-15
MT-15
MT-15
MT-15
Reference page
EC
FE
CL
CHECK PLUG RETURN SPRING AND
CHECK BALL (Worn or damaged)
BAULK RING (Worn or damaged)
BEARING (Worn or damaged)
OIL SEAL (Worn or damaged)
INSERT SPRING (Damaged)
O-RING (Worn or damaged)
GEAR (Worn or damaged)
AT
SUSPECTED PARTS
GASKET (Damaged)
SHIFT FORK (Worn)
OIL (Level too high)
(Possible cause)
TF
OIL (Level low)
OIL (Wrong)
PD
Noise 1 2 3 3 AX
Oil leakage 3 1 2 2 2
Symptom SU
Hard to shift or will not shift 1 1 2 2
Jumps out of gear 1 2 2
BR
ST
RS
BT
HA
SC
EL
IDX
MT-5
ON-VEHICLE SERVICE
Replacing Rear Oil Seal -- 2WD Model
Replacing Rear Oil Seal -- 2WD Model NAMT0003
REMOVAL NAMT0003S01
SMT479CA
INSTALLATION NAMT0003S02
SMT480CA
Position Switch Check -- 2WD Model NAMT0004
Switch Gear position Continuity
Reverse Yes
Back-up lamp switch
Except reverse No
Neutral Yes
PNP switch
Except neutral No
SMT981D
MT-6
ON-VEHICLE SERVICE
Position Switch Check -- 4WD Model
Position Switch Check -- 4WD Model NAMT0024
GI
Switch Gear position Continuity
Reverse Yes MA
Back-up lamp switch
Except reverse No
Neutral Yes
EM
PNP switch
Except neutral No
LC
EC
FE
CL
SMT820CA
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
MT-7
NAMT0005
DESCRIPTION
Cross-sectional View -- 2WD Model
Cross-sectional View -- 2WD Model NAMT0005S01
SMT989D
MT-8
DESCRIPTION
Cross-sectional View -- 4WD Model
Cross-sectional View -- 4WD Model NAMT0005S02
GI
MA
EM
LC
EC
FE
CL
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
SMT990D
IDX
MT-9
NAMT0006
REMOVAL AND INSTALLATION
Removal
Removal NAMT0006S01
CAUTION:
When removing the M/T assembly from engine, first remove
the crankshaft position sensor (OBD) from the M/T assembly.
Be careful not to damage sensor edge.
SMT795C
2WD MODEL NAMT0006S0101
1. Remove battery negative terminal.
2. Remove shift lever from transmission.
3. Remove crankshaft position sensor (OBD) from lower side of
transmission case.
4. Remove clutch operating cylinder from transmission. Tighten
clutch operating cylinder to the specified torque. Refer to CL-5,
"CLUTCH SYSTEM".
5. Lower the transmission out of the body with the speed sensor
and other harnesses still connected. The harnesses are
attached to the body in four places.
6. Remove starter motor from transmission.
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