2006 NISSAN PATROL front drive shaft

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

d. Install L & H hub and snap ring to mainshaft.
+Pay attention to direction of L & H hub.
e. Measure end play of low gear.
Standard:
0.20 - 0.35 mm (0.0079 - 0.0138 in)
7. Apply sealant to mating surface and put center case assembly
onto front case and tighten bolts.
8. Assemble center case assembly.
a. Put drive chain onto front drive sprocket and front drive shaft,
and then put them in center case.
b. Install front drive shaft by tapping it lightly with a soft hammer.
+Make sure shafts are lined up in case.
SMT161B
SMT117B
SMT163B
SMT164B
SMT165B
ASSEMBLY
TF-30

c. Apply gear oil to needle bearings and install them into front
drive sprocket.
+These needle bearings can be easily installed if front drive
sprocket is rotated during their installation.
d. Install 2-4 coupling sleeve with 2-4 shift fork.
+Pay attention to direction of coupling sleeve.
e. Install shifting inserts and spread spring.
+Pay attention to direction of shifting inserts.
f. Install baulk ring and then install clutch gear.
g. Install mainshaft rear bearing.
+Pay attention to its direction.
SMT166B
SMT167B
SMT168B
SMT169B
SMT170B
ASSEMBLY
TF-31