NISSAN PICK-UP 1998 Repair Manual

CAUTION:
lAlways replace exhaust gaskets with new ones when
reassembling. If gasket is left on flange surface, scrape
off completely as shown at left.
lWith engine running, check all tube connections for
exhaust gas leaks, and entire system for unusual noises.
lEnsure that mounting brackets and mounting insulators
are installed properly and free from undue stress.
Improper installation could result in excessive noise or
vibration.
lDiscard any heated oxygen sensor which has been
dropped from a height of more than 0.5 m (19.7 in) onto
a hard surface such as concrete floor; use a new one.
KA24E ENGINE (2WD) MODEL
SEF180A
SFE456A
EXHAUST SYSTEM
FE-5

KA24E ENGINE (2WD) MODEL
SFE525A
.Heated oxygen sensor
EXHAUST SYSTEM
FE-6

KA24E ENGINE (4WD) MODEL
SFE523A
SFE458A
EXHAUST SYSTEM
FE-7

DIESEL ENGINE MODEL
SFE455AA
.
EXHAUST SYSTEM
FE-8

FRONT AXLE &
FRONT SUSPENSION
SECTION
FA
CONTENTS
PRECAUTIONS AND PREPARATION..................... 1
Precautions ............................................................ 1
Special Service Tools ............................................ 1
Commercial Service Tools ..................................... 2
FRONT AXLE AND FRONT SUSPENSION............. 3
ON-VEHICLE SERVICE............................................ 5
Front Axle and Front Suspension Parts ................ 5
Front Wheel Bearing .............................................. 5
Front Wheel Alignment .......................................... 7
Drive Shaft ........................................................... 11
FRONT AXLE.......................................................... 12
Manual-lock Free-running Hub - 4WD - .............. 14
Auto-lock Free-running Hub - 4WD -................... 15
Removal ............................................................... 15
Installation ............................................................ 15Wheel Hub and Rotor Disc .................................. 16
Knuckle Spindle ................................................... 18
Drive Shaft - 4WD - ............................................. 21
FRONT SUSPENSION............................................ 26
Shock Absorber ................................................... 28
Torsion Bar Spring ............................................... 28
Stabilizer Bar........................................................ 31
Upper Link............................................................ 31
Tension Rod......................................................... 33
Lower Link............................................................ 33
Upper Ball Joint and Lower Ball Joint ................. 34
SERVICE DATA AND SPECIFICATIONS (SDS)... 35
General Specifications ......................................... 35
Inspection and Adjustment .................................. 35
FA

Precautions
lWhen installing rubber parts, final tightening must be
carried 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.
lUse flare nut wrench when removing or installing brake
tubes.
lAfter installing removed suspension parts, check wheel
alignment and adjust if necessary.
lAlways torque brake lines when installing.
Special Service Tools
Tool number
Tool nameDescriptionUnit application
2WD 4WD
ST29020001
Gear arm puller
NT694
Removing ball joint for
knuckle spindle
XX
a: 34 mm (1.34 in)
b: 6.5 mm (0.256 in)
c: 61.5 mm (2.421 in)
HT72520000
Ball joint remover
NT546
Removing tie-rod outer end
XX
a: 33 mm (1.30 in)
b: 50 mm (1.97 in)
r: R11.5 mm (0.45 in)
KV401021S0
Bearing race drift
NT153
Installing wheel bearing
outer race
XX
KV40105400
Wheel bearing
lock nut wrench
NT154
Removing or installing wheel
bearing lock nut
ÐX
GG94310000
Flare nut torque wrench
NT406
Removing and installing
brake piping
XX
a: 10 mm (0.39 in)
SBR820BA
PRECAUTIONS AND PREPARATION
FA-1

Tool number
Tool nameDescriptionUnit application
2WD 4WD
KV40106800
Lower link bush
puller
NT685
Removing or installing lower
link bush
XX
ST3127S000
V1GG91030000
Torque wrench
V2HT62940000
Socket adapter
V3HT62900000
Socket adapterNT541
Measuring turning torque
XX
Commercial Service Tools
Tool name Description
V1Flare nut crowfoot
V2Torque wrench
NT360
Removing and installing each brake piping
a: 10 mm (0.39 in)
PRECAUTIONS AND PREPARATION
Special Service Tools (Cont'd)
FA-2

2WD
SFA811B
FRONT AXLE AND FRONT SUSPENSION
FA-3

4WD
SFA812B
FRONT AXLE AND FRONT SUSPENSION
FA-4

Front Axle and Front Suspension Parts
Check front axle and front suspension parts for excessive play,
cracks, wear or other damage.
lShake each front wheel to check for excessive play.
If looseness is noted, adjust wheel bearing end play, then
check ball joint end play.
lMake sure that the cotter pin is inserted.
lRetighten all nuts and bolts to the specified torque.
: Refer to ``FRONT SUSPENSION'', FA-26.
lCheck front axle and front suspension parts for wear, cracks
or other damage.
lCheck shock absorber for oil leakage and other damage.
lCheck suspension ball joint for grease leakage and ball joint
dust cover for cracks and other damage.
Front Wheel Bearing
lCheck that wheel bearings operate smoothly.
lCheck axial end play.
Axial end play: 0 mm (0 in)
lAdjust wheel bearing preload if there is any axial end play or
wheel bearing does not turn smoothly.
PRELOAD ADJUSTMENT (2WD)
Adjust wheel bearing preload after wheel bearing has been
replaced or front axle has been reassembled.
1. Before adjustment, thoroughly clean all parts to prevent dirt
entry.
2. Apply multi-purpose grease sparingly to the following parts:
lRubbing surface of spindle
lContact surface between lock washer and outer wheel bear-
ing
lHub cap (as shown at left)
lGrease seal lip
3. Tighten wheel bearing lock nut to the specified torque.
: 34 - 39 N´m (3.5 - 4.0 kg-m, 25 - 29 ft-lb)
4. Turn wheel hub several times in both directions to seat wheel
bearing correctly.
5. Again tighten wheel bearing lock nut to the specified torque.
: 34 - 39 N´m (3.5 - 4.0 kg-m, 25 - 29 ft-lb)
SMA525A
SFA813B
SMA571A
SFA847B
SFA890
ON-VEHICLE SERVICE
FA-5