1998 NISSAN PATROL lock

Removal and Installation
CAUTION:
Before removing the front axle assembly, disconnect the ABS
wheel sensor from the assembly. Then move it away from the
front axle assembly area. Failure to do so may result in dam-
age to the sensor wires and the sensor becoming inoperative.
1. Remove free-running hub assembly.
Refer to FRONT AXLE Ð Auto-lock or Manual-lock Free-run-
ning Hub.
2. Remove brake caliper assembly.
Brake hose need not be disconnected from brake caliper.
In this case, suspend caliper assembly with wire so as not to
stretch brake hose.
Be careful not to depress brake pedal, or piston will pop out.
Make sure brake hose is not twisted.
3. Remove ABS sensor.
4. Remove lock washer.
5. Remove wheel bearing lock nut with Tool.
6. Remove wheel hub and wheel bearing.
Be careful not to drop outer bearing.
7. After installing wheel hub and wheel bearing, adjust wheel
bearing preload.
Refer to ``Front Wheel Bearing'', ``ON-VEHICLE SERVICE'',
FA-5.
SFA865B
SFA470AA
SFA748BA
SFA866B
FRONT AXLE Ð Wheel Hub and Rotor Disc
FA-14

7. Install bearing cap with inner bearing and adjusting shim.
Before installing seal guard, scraper, grease seal and support-
ing ring (as a unit), apply approx. 50 g (1.76 oz) of wheel bear-
ing grease to perimeters shown in ®gure at left.
Slits located in scraper and supporting ring should point
straight downward when installed.
8. When installing grease seal guard, adjust so painted surface is
visible.
Install knuckle ¯ange stopper bolt and nut on stopper side of
axle case.
After installing tie rod, adjust it to speci®ed steering angle
using turning radius gauge, then tighten with lock nut.
Knuckle Flange Grease Seal
To replace only knuckle ¯ange grease seal, proceed as follows.
REMOVAL
1. Turn steering wheel to both the extreme right and left, and
remove grease seal guard and scraper from knuckle ¯ange.
2. Extract grease seal and remove it by cutting it from axle case.
SFA883B
SFA876B
SFA884B
SFA885B
FRONT AXLE Ð Knuckle Flange
Installation (Cont'd)
FA-21

INSTALLATION
1. Cut off a part of new grease seal and ®ll lip portion with grease.
Then insert grease seal into axle case.
Cut grease seal so that cut surface is straight.
2. Apply adhesive to cut surface of grease seal.
Install grease seal so that its cut surface is above knuckle
¯ange.
Be sure not to allow adhesive to protrude beyond cut surface
of grease seal.
3. Install scraper and grease seal guard on knuckle ¯ange.
After replacing grease seal, adjust steering wheel to speci®ed
turning angle with a turning radius gauge. Then tighten lock
nut.
4. When installing grease seal guard, adjust so painted surface is
visible.
SFA886B
SFA887B
SFA876B
FRONT AXLE Ð Knuckle Flange
Knuckle Flange Grease Seal (Cont'd)
FA-22

WHEEL BEARING
Wheel bearing axial end play
mm (in)0 (0)
Wheel bearing lock nuts
Tightening torque
Nzm (kg-m, ft-lb)167 - 196 (17 - 20, 123 - 145)
Retightening torque after
untightened
Nzm (kg-m, in-lb)3 - 5 (0.3 - 0.5, 26 - 43)
Measured starting force
At wheel hub bolt
N (kg, lb)A
Turning adjusting nut in tightening
direction and measuring starting
force
At wheel hub bolt
N (kg, lb)B
Calculated wheel bearing preload;
BþA
At wheel hub bolt
N (kg, lb)0 - 18.6 (0 - 1.9, 0 - 4.2)
KNUCKLE FLANGE BEARING
Flange turning torque
Without trunnion seal
and drive shaft
Nzm (kg-m, ft-lb)1 - 3 (0.1 - 0.3, 0.7 - 2.2)
At knuckle arm ``F''
N (kg, lb)4.9 - 14.7 (0.5 - 1.5, 1.1 - 3.3)
Adjusting shims mm (in)Thickness Part number
0.075 (0.0030)
0.127 (0.0050)
0.254 (0.0100)
0.500 (0.0197)
0.762 (0.0300)40606-44000
40605-44000
40604-44000
40571-01J00
40603-44000
SFA882B
DRIVE SHAFT
Bir®eld joint axial end play
mm (in)0 (0)
Grease
Type Multi-purpose grease
Capacity g (oz) 50 - 60 (1.76 - 2.12)
Drive shaft axial end play
mm (in)0.4 (0.016) or less
Adjusting snap rings
mm (in)Thickness Part number
1.1 (0.043)
1.3 (0.051)
1.5 (0.059)
1.7 (0.067)
1.9 (0.075)
2.1 (0.083)39253-01J00
39253-01J01
39253-01J02
39253-01J03
39253-01J04
39253-01J05
SERVICE DATA AND SPECIFICATIONS (SDS)
Inspection and Adjustment (Cont'd)
FA-28