1998 NISSAN PATROL check oil

Precautions
+When installing rubber parts, ®nal tightening must be car-
ried out under unladen condition* with tires on ground.
* Fuel, radiator coolant and engine oil full. Spare tire, jack,
hand tools and mats in designated positions.
+Use ¯are nut wrench when removing and installing brake
tubes.
+After installing removed suspension parts, check wheel
alignment and adjust if necessary.
+Always torque brake lines when installing.
Special Service Tools
Tool number
Tool nameDescription
ST29020001
Gear arm puller
NT551
Removing tie-rod and drag link
a: 34 mm (1.34 in)
b: 6.5 mm (0.256 in)
c: 61.5 mm (2.421 in)
KV401021S0
Bearing race drift
NT153
Installing wheel bearing outer race
KV40105400
Wheel bearing
lock nut wrench
NT154
Removing and installing wheel bearing lock
nut
GG94310000
Flare nut torque wrench
NT406
Removing and installing brake piping
a: 10 mm (0.39 in)
SBR820BA
PRECAUTIONS AND PREPARATION
FA-1

Front Axle and Front Suspension Parts
Check front axle and front suspension parts for excessive play,
cracks, wear and other damage.
+Shake each front wheel to check for excessive play.
+Make sure that cotter pin is inserted.
+Retighten all axle and suspensions nuts and bolts to the speci-
®ed torque.
Tightening torque:
Refer to FRONT SUSPENSION (FA-24).
+Check front axle and front suspension parts for wear, cracks
and other damage.
+Check shock absorber for oil leakage and other damage.
+Check knuckle ¯ange for grease leakage and knuckle ¯ange
grease seal for cracks and other damage.
Front Wheel Bearing
+Check that wheel bearings operate smoothly.
+Check axial end play.
Axial end play:
0mm(0in)
+Adjust wheel bearing preload if there is any axial end play or
wheel bearing does not turn smoothly.
SMA525A
SFA851B
SFA852B
SFA413A
ON-VEHICLE SERVICE
FA-5

19. Pack drive ¯ange groove with grease, apply grease to O-ring
and mating surface of drive ¯ange, and install ¯ange.
20. Place snap ring in drive shaft groove. Choose snap ring so that
the gap between groove and snap ring is 0.4 mm (0.016 in) or
less.
Refer to SDS for selection of snap ring.
Front Wheel Alignment
Before checking front wheel alignment, be sure to make a prelimi-
nary inspection (Unladen*).
*: Fuel, radiator coolant and engine oil full. Spare tire, jack, hand
tools and mats in designated positions.
PRELIMINARY INSPECTION
1. Check tires for wear and improper in¯ation.
2. Check wheel runout on outside and inside.
Wheel runout average
[(Outside runout value + Inside runout value) x 0.5]:
Refer to SDS (FA-27).
3. Check front wheel bearings for looseness.
4. Check front suspension for looseness.
5. Check steering linkage for looseness.
6. Check that shock absorbers work properly.
7. Check vehicle posture (Unladen).
CAMBER, CASTER AND KINGPIN INCLINATION
Camber, caster and kingpin inclination are preset at factory
and cannot be adjusted.
1. Measure camber, caster and kingpin inclination of both right
and left wheels with a suitable alignment gauge.
Camber, Caster and Kingpin inclination:
Refer to SDS (FA-27).
2. If camber, caster or kingpin inclination is not within
speci®cation, inspect front suspension parts. Replace damaged
or worn out parts.
SFA417A
SFA418AA
SFA356B
SFA894
ON-VEHICLE SERVICE
Front Wheel Bearing (Cont'd)
FA-8

8. Remove bearing outer race and kingpin plug.
9. Remove oil seal from axle shaft.
Inspection
KNUCKLE FLANGE BEARING CAP
Replace knuckle ¯ange bearing if it is worn, pitted or corroded.
KNUCKLE FLANGE
Replace knuckle ¯ange if it is cracked.
Installation
1. Check kingpin plug for damage before installing. If damaged,
use a new one.
SFA874B
SFA875B
SFA870B
SFA894B
SFA877B
FRONT AXLE Ð Knuckle Flange
Removal (Cont'd)
FA-19

Shock Absorber
REMOVAL AND INSTALLATION
1. Support front axle case with jack.
2. Remove both upper and lower sides ®xing nuts.
INSPECTION
Except for nonmetallic parts, clean all parts with suitable solvent
and dry with compressed air.
Use compressed air to blow dirt and dust off of nonmetallic parts.
+Check for oil leakage and cracks. Replace if necessary.
+Check piston rod for cracks, deformation and other damage.
Replace if necessary.
+Check rubber parts for wear, cracks, damage and deformation.
Replace if necessary.
Stabilizer Bar
REMOVAL
+Remove stabilizer bar connecting bolts and clamp bolts.
INSPECTION
+Check stabilizer bar for twist and deformation.
Replace if necessary.
+Check rubber bushing for cracks, wear and deterioration.
Replace if necessary.
INSTALLATION
+Install stabilizer bar with ball joint socket properly placed.
Coil Spring
INSPECTION
Visually check for cracks or damage. If faulty, replace.
Ensure that springs are installed correctly. Incorrect installa-
tion will cause vehicle not set in horizontal posture.
SFA890B
SFA891B
SFA896B
SFA897B
FRONT SUSPENSION
FA-25