2006 NISSAN PATROL drive shaft

Inspection
PULLEY AND PULLEY SHAFT
+If pulley is cracked or deformed, replace it.
+If ¯uid leak is found around the pulley shaft, replace the oil seal.
Disassembly
CAUTION:
+Parts which can be disassembled are strictly limited. Never
disassemble parts other than those speci®ed.
+Disassemble in as clean a place as possible.
+Clean your hands before disassembly.
+Do not use rags; use nylon cloths or paper towels.
+When disassembling and reassembling, do not let foreign
matter enter or contact the parts.
+Remove snap ring, then draw drive shaft out.
+Be careful not to drop drive shaft.
+Remove oil seal.
+Be careful not to damage front housing.
+Remove connector.
+Be careful not to drop control valve.
SST010B
SST034A
SST036AA
POWER STEERING OIL PUMP
ST-17

TRANSFER
SECTION
TF
CONTENTS
PREPARATION................................................................1
Special Service Tools ..................................................1
Commercial Service Tools ...........................................2
NOISE, VIBRATION AND HARSHNESS (NVH)
TROUBLESHOOTING.....................................................3
NVH Troubleshooting Chart.........................................3
DESCRIPTION.................................................................4
Cross-sectional View ...................................................4
ON-VEHICLE SERVICE..................................................5
Replacing Oil Seal .......................................................5
Checking Position Switch ............................................7
REMOVAL AND INSTALLATION....................................8
Removal .......................................................................8
Installation ....................................................................8
TRANSFER GEAR CONTROL.......................................9
MAJOR OVERHAUL.....................................................10
Case Components .....................................................10
Gear Components ..................................................... 11Shift Control Components .........................................12
DISASSEMBLY..............................................................13
REPAIR FOR COMPONENT PARTS............................19
Mainshaft ...................................................................19
Front Drive Shaft .......................................................20
Counter Gear .............................................................21
Main Gear ..................................................................22
Front Case .................................................................24
Front Case Cover ......................................................24
Center Case...............................................................24
Bearing Retainer ........................................................25
Rear Case..................................................................25
Shift Control Components .........................................26
ASSEMBLY....................................................................27
SERVICE DATA AND SPECIFICATIONS (SDS)..........33
General Speci®cations ...............................................33
Inspection and Adjustment ........................................33
TF

Commercial Service Tools
Tool name Description
Puller
NT077
Removing front and rear companion ¯anges
Removing mainshaft rear bearing and clutch
gear
Removing L & H hub
Removing front drive shaft front bearing
Removing front drive shaft rear bearing
Removing main gear bearing
Drift
NT117
Installing shift shaft oil seal
a: 26 mm (1.02 in) dia.
b: 20 mm (0.79 in) dia.
c: 40 mm (1.57 in)
Drift
NT117
Installing L & H hub
a: 60 mm (2.36 in) dia.
b: 50 mm (1.97 in) dia.
c: 60 mm (2.36 in)
Drift
NT117
Installing clutch gear
a: 55 mm (2.17 in) dia.
b: 45 mm (1.77 in) dia.
c: 160 mm (6.30 in)
Drift
NT117
Installing rear oil seal
a: 75 mm (2.95 in) dia.
b: 67 mm (2.64 in) dia.
c: 60 mm (2.36 in)
PREPARATION
TF-2

5. Remove speedometer drive gear and oil gutter.
6. Remove snap ring from 2-4 shift rod.
7. Check front drive sprocket end play.
a. While holding front drive sprocket forward as far as it will go,
measure distance ``A'' between rear surface of front drive
sprocket and front surface of 2-4 coupling sleeve.
b. While holding front drive sprocket back as far as it will go,
measure distance ``B'' as same as step a.
c. Determine front drive sprocket end play to be used by the fol-
lowing equation.
Front drive sprocket end play = A þ B
Standard:
0.20 - 0.35 mm (0.0079 - 0.0138 in)
+If not within speci®cation, disassemble and check contact sur-
face of gear to hub, washer, bushing, needle bearing and shaft.
8. Shift 2-4 coupling sleeve to 2WD position.
SMT106B
SMT107B
SMT108B
SMT110B
DISASSEMBLY
TF-14

9. Pull out clutch gear and mainshaft rear bearing.
10. Remove 2-4 coupling sleeve with 2-4 shift fork.
11. Remove front drive shaft assembly, drive chain and front drive
sprocket by tapping front end of front drive shaft.
12. Remove bolts securing bearing retainer and then remove bear-
ing retainer.
SMT111B
SMT112B
SMT113B
SMT115B
DISASSEMBLY
TF-15

Bearing
+Make sure bearings roll freely and are free from noise, crack,
pitting or wear.
ASSEMBLY
1. Press mainshaft front bearing onto mainshaft.
+Pay special attention to its direction.
2. Install spacer.
3. Select mainshaft front bearing snap ring with proper thickness
and install it.
Allowable clearance between mainshaft front bearing
snap ring and groove:
0 - 0.15 mm (0 - 0.0059 in)
Mainshaft front bearing snap ring:
Refer to SDS, TF-33.
Front Drive Shaft
DISASSEMBLY
+Front drive shaft front bearing
+Front drive shaft rear bearing
SMT351A
SMT294A
SMT295A
SMT296A
SMT297A
REPAIR FOR COMPONENT PARTS
Mainshaft (Cont'd)
TF-20

INSPECTION
Sprocket and shaft
+Check sprocket for excessive wear, chips or cracks.
+Check shaft for cracks or wear.
Bearing
+Make sure bearings roll freely and are free from noise, crack,
pitting or wear.
ASSEMBLY
+Press front drive shaft front bearing.
+Press front drive shaft rear bearing.
Counter Gear
DISASSEMBLY
1. Press out counter gear front bearing and then remove front
sub-gear, spacer and dish spring.
2. Press out counter gear rear bearing and then remove rear
sub-gear, spacer and dish spring.
SMT357A
SMT298A
SMT299A
SMT134B
SMT135B
REPAIR FOR COMPONENT PARTS
Front Drive Shaft (Cont'd)
TF-21

Front Case
SHIFT SHAFT OIL SEAL
Removal
+Use a screwdriver to pry out old seal.
+Be careful not to damage case.
+Always replace with a new one whenever it has been removed.
Installation
+Install new shift shaft oil seal until ¯ush with case.
+Before installing, apply multi-purpose grease to seal lip.
Front Case Cover
Removal
+Take out old seal from inside of front case cover.
+Be careful not to damage front case cover.
Installation
+Install new front case cover oil seal until it stops.
+Before installing, apply multi-purpose grease to seal lip.
Center Case
CENTER CASE OIL SEAL
Removal
+Remove center case oil seal.
SMT138B
SMT139B
SMT263D
SMT141B
SMT146B
REPAIR FOR COMPONENT PARTS
TF-24