1998 NISSAN PATROL Propeller Shaft And Differential Carrier Workshop Manual

2. Remove snap ring.
3. Remove pushed out journal bearing by lightly tapping yoke with
a hammer, taking care not to damage journal and yoke hole.
4. Remove bearing at opposite side in above operation.
Put marks on disassembled parts so that they can be rein-
stalled in their original positions from which they were
removed.
Assembly
JOURNAL
1. Assemble journal bearing. Apply recommended multi-purpose
grease on bearing inner surface.
When assembling, be careful that needle bearing does not fall
down.
2. Select snap ring that will provide speci®ed play in axial direc-
tion of journal, and install them. (Refer to SDS.)
Select snap rings with a difference in thickness at both sides
within 0.06 mm (0.0024 in).
SPD731
SPD732
SPD131
SPD133
SPD134
PROPELLER SHAFT
Disassembly (Cont'd)
PD-8

3. Adjust thrust clearance between bearing and snap ring to zero
by tapping yoke.
4. Check to see that journal moves smoothly and check for axial
play.
Axial play: 0.02 mm (0.0008 in) or less
SPD732
SPD874
PROPELLER SHAFT
Assembly (Cont'd)
PD-9

Front Oil Seal Replacement
1. Remove propeller shaft.
2. Loosen drive pinion nut.
Tool number:
KV40104000
3. Remove companion ¯ange.
4. Remove front oil seal.
5. Apply multi-purpose grease to cavity at sealing lips of oil seal.
Press front oil seal into carrier.
6. Install companion ¯ange and drive pinion nut.
7. Install propeller shaft.
Tool number: KV381025S0
PD237
SPD737
SPD738
SPD739
ON-VEHICLE SERVICE (Final Drive)
PD-10

Removal
+Remove propeller shaft.
+Remove drive shaft. Refer to FA section (``FRONT AXLE Ð
Knuckle Flange'').
+Remove axle shaft.
Refer to RA section (``REAR AXLE'').
+Remove front and rear ®nal drive mounting bolts.
CAUTION:
+Be careful not to damage spline, sleeve yoke and front oil
seal when removing propeller shaft.
+Before removing the ®nal drive assembly or rear axle
assembly, disconnect the ABS sensor harness connector
from the assembly and move it away from the ®nal drive/
rear axle assembly area. Failure to do so may result in the
sensor wires being damaged and the sensor becoming
inoperative.
Installation
+Fill ®nal drive with recommended gear oil.
+Pay attention to the direction of gasket.
SPD103
SPD123
SPD767
REMOVAL AND INSTALLATION
PD-11

SPD436A
FRONT FINAL DRIVE
PD-12

SPD437A
REAR FINAL DRIVE
PD-13

Pre-inspection
Before disassembling ®nal drive, perform the following inspection.
+Total preload
1) Turn drive pinion in both directions several times to set bearing
rollers.
2) Check total preload with Tool.
Tool number: ST3127S000
Total preload (with front oil seal):
Drive pinion bearing
New parts
1.7 - 2.5 Nzm (17 - 25 kg-cm, 15 - 22 in-lb)
Used parts
1.5 - 1.7 Nzm (15 - 17 kg-cm, 13 - 15 in-lb)
+Ring gear to drive pinion backlash
Check ring gear-to-drive pinion backlash with a dial indicator at
several points.
Ring gear-to-drive pinion backlash:
0.15 - 0.20 mm (0.0059 - 0.0079 in)
+Ring gear runout
Check runout of ring gear with a dial indicator.
Runout limit:
0.08 mm (0.0031 in)
+Tooth contact
Check tooth contact. Refer to ADJUSTMENT (PD-27).
+Side gear to pinion mate gear backlash
Measure clearance between side gear thrust washer and dif-
ferential case with a feeler gauge.
Clearance between side gear thrust washer and differ-
ential case:
0.15 - 0.20 mm (0.0059 - 0.0079 in)
SPD149
SPD246
SPD247
SPD004
DISASSEMBLY
PD-14

Differential Carrier
1. Mount differential carrier on Tools.
Tool number:
j
AST0501S000
j
BST06340000
2. Put matchmarks on one side of side bearing cap with paint or
punch to ensure that it is replaced in proper position during
reassembly.
Bearing caps are line-bored during manufacture and should
be put back in their original places.
3. Remove side lock ®ngers and side bearing caps.
4. Remove side bearing adjuster with Tool.
Tool number:
ST32580000
5. Remove differential case assembly with a pry bar.
SPD139
SPD249
SPD250
SPD684
SPD685
DISASSEMBLY
PD-15