Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Frontier 1998-2002 Approved Nissan Frontier 2000 KA24DE FA
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FRONT AXLE & GI
FRONT SUSPENSION
MA
SECTION FA EM
LC
EC
CONTENTS FE
PRECAUTIONS AND PREPARATION............................2 Description ............................................................18
CL
Precautions ..................................................................2 Inspection ..............................................................19
Special Service Tools ..................................................2 Trouble Diagnosis For Noise ................................20
Commercial Service Tools ...........................................3 Wheel Hub and Rotor Disc........................................20 MT
NOISE, VIBRATION AND HARSHNESS (NVH) Knuckle Spindle .........................................................22
TROUBLESHOOTING .....................................................4 Drive Shaft -- 4WD -- ..............................................25
NVH Troubleshooting Chart.........................................4 FRONT SUSPENSION ..................................................30 AT
FRONT SUSPENSION SYSTEM ....................................5 Shock Absorber .........................................................32
2WD ........................................................................5 Torsion Bar Spring .....................................................32
4WD ........................................................................6 Stabilizer Bar .............................................................34 TF
ON-VEHICLE SERVICE ..................................................7 Upper Link .................................................................35
Front Axle and Front Suspension Parts ......................7 Tension Rod...............................................................36
Front Wheel Bearing....................................................7 Lower Link .................................................................37 PD
Front Wheel Alignment ................................................9 Upper Ball Joint and Lower Ball Joint .......................38
Drive Shaft .................................................................14 SERVICE DATA AND SPECIFICATIONS (SDS) ..........39
FA
FRONT AXLE ................................................................15 General Specifications...............................................39
Manual-lock Free-running Hub -- 4WD -- ...............17 Inspection and Adjustment ........................................39
Auto-lock Free-running Hub -- 4WD --....................18 RA
BR
ST
RS
BT
HA
EL
IDX
PRECAUTIONS AND PREPARATION
Precautions
q When installing rubber parts, final 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.
q Use flare nut wrench when removing and installing brake
tubes.
q After installing removed suspension parts, check wheel
alignment and adjust if necessary.
q Always torque brake lines when installing.
SBR686C
Special Service Tools
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number Unit application
(Kent-Moore No.) Description
Tool name 2WD 4WD
ST29020001 Removing ball joint for
(J24319-01) knuckle spindle
Gear arm puller
X X
a: 34 mm (1.34 in)
b: 6.5 mm (0.256 in)
NT694 c: 61.5 mm (2.421 in)
HT72520000 Removing tie-rod outer
(J25730-B) endr: R11.5 mm (0.453 in)
Ball joint remover
X X
a: 33 mm (1.30 in)
NT546 b: 50 mm (1.97 in)
KV401021S0 Installing wheel bearing
( -- ) outer race
Bearing race drift
X X
NT153
KV40105400 Removing and installing
(J36001) wheel bearing lock nut
Wheel bearing
-- X
lock nut wrench
NT154
KV40106800 Removing and installing
( -- ) lower link bushing
Lower link bushing
X X
puller
NT685
FA-2
PRECAUTIONS AND PREPARATION
Commercial Service Tools GI
Tool name Description
1 Flare nut crowfoot Removing and installing each brake piping MA
2 Torque wrench
EM
NT360 a: 10 mm (0.39 in)
LC
EC
FE
CL
MT
AT
TF
PD
FA
RA
BR
ST
RS
BT
HA
EL
IDX
FA-3
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting Chart
Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
Refer to ROAD WHEEL in this chart.
Refer to FRONT AXLE AND FRONT
Refer to DRIVESHAFT in this chart.
Refer to TIRES in this chart.
SUSPENSION in this chart.
FA-5, 6
FA-27
FA-32
FA-30
FA-34
FA-9
FA-7
FA-9
--
--
--
--
--
--
--
--
--
--
Reference page
NVH in RA Section
NVH in PD section
NVH in PD section
NVH in BR section
NVH in ST section
FRONT AXLE AND FRONT SUSPENSION
REAR AXLE AND REAR SUSPENSION
Shock absorber deflection or damage
Bushing or mounting deterioration
Improper installation, looseness
Incorrect wheel alignment
SUSPECTED PARTS
Deformation or damage
Wheel bearing damage
Joint sliding resistance
Suspension looseness
PROPELLER SHAFT
Incorrect air pressure
Excessive joint angle
(Possible cause)
Stabilizer bar fatigue
Parts interference
Incorrect tire size
Uneven tire wear
DIFFERENTIAL
ROAD WHEEL
DRIVE SHAFT
Non-uniformity
Spring fatigue
Out-of-round
STEERING
Imbalance
BRAKES
TIRES
DRIVESHAFT Noise, Vibration X X X X X X X X X X
Shake X X X X X X X X X
FRONT AXLE Noise X X X X X X X X X X X X X X
AND FRONT Shake X X X X X X X X X X X X
SUSPENSION
Vibration X X X X X X X X X X
Shimmy X X X X X X X X X X
Judder X X X X X X X X
Poor quality
ride or handling X X X X X X X X X X X
TIRES Noise X X X X X X X X X X X X X X X
Symp-
tom Shake X X X X X X X X X X X X X X
Vibration X X X X X X X
Shimmy X X X X X X X X X X X X X
Judder X X X X X X X X X X X X
Poor quality
ride or handling X X X X X X X X X X
ROAD WHEEL Noise X X X X X X X X X X X X
Shake X X X X X X X X X X X
Shimmy, Judder X X X X X X X X X
Poor quality
ride or handling X X X X X X X
X: Applicable
FA-4
FRONT SUSPENSION SYSTEM
2WD GI
MA
EM
LC
EC
FE
CL
MT
AT
TF
PD
FA
RA
BR
ST
RS
BT
HA
EL
IDX
SFA811B
FA-5
FRONT SUSPENSION SYSTEM
4WD
ASU058
FA-6
ON-VEHICLE SERVICE
Front Axle and Front Suspension Parts GI
Check front axle and front suspension parts for excessive play,
cracks, wear and other damage. MA
q Shake each front wheel to check for excessive play.
If looseness is noted, adjust wheel bearing end play, then
check ball joint end play. EM
q Make sure that the cotter pin is inserted.
q Retighten all nuts and bolts to the specified torque.
: Refer to ``FRONT SUSPENSION'', FA-30. LC
q Check front axle and front suspension parts for wear, cracks
SMA525A
and other damage.
q Check shock absorber for oil leakage and other damage. EC
q Check suspension ball joint for grease leakage and ball joint
dust cover for cracks and other damage.
FE
CL
MT
SFA813B
Front Wheel Bearing AT
q Check that wheel bearings operate smoothly.
q Check axial end play. TF
Axial end play: 0 mm (0 in)
q Adjust wheel bearing preload if there is any axial end play or
wheel bearing does not turn smoothly. PD
FA
SMA571A
PRELOAD ADJUSTMENT (2WD) RA
Adjust wheel bearing preload after wheel bearing has been
replaced or front axle has been reassembled. BR
1. Before adjustment, thoroughly clean all parts to prevent dirt
entry.
2. Apply multi-purpose grease sparingly to the following parts: ST
q Threaded area of spindle
q Contact surface between lock washer and outer wheel bearing
q Hub cap (as shown at left) 18 - 22 g (0.63 - 0.78 oz) RS
q Grease seal lip
SFA847B
3. Tighten wheel bearing lock nut to the specified torque.
BT
: 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. HA
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)
EL
IDX
SFA890
FA-7
ON-VEHICLE SERVICE
Front Wheel Bearing (Cont'd)
6. Turn wheel bearing lock nut back 45 degrees.
7. Fit adjusting cap and new cotter pin. Align cotter pin slot by
loosening nut 15 degrees or less.
SFA452B
8. Measure wheel bearing preload and axial end play.
Axial end play: 0 mm (0 in)
Wheel bearing preload
(As measured at wheel hub bolt):
New grease seal
9.8 - 28.4 N (1.0 - 2.9 kg, 2.2 - 6.4 lb)
Used grease seal
9.8 - 23.5 N (1.0 - 2.4 kg, 2.2 - 5.3 lb)
Repeat above procedures until correct bearing preload is obtained.
SMA574A
9. Spread cotter pin.
10. Install hub cap.
PRELOAD ADJUSTMENT (4WD)
Adjust wheel bearing preload after wheel bearing has been
replaced or front axle has been reassembled.
Adjust wheel bearing preload as follows:
1. Before adjustment, thoroughly clean all parts to prevent dirt
entry.
SRA417
2. Apply multi-purpose grease sparingly to the following parts:
q Threaded portion of spindle
q Contact surface between wheel bearing washer and outer
wheel bearing
q Grease seal lip
q Wheel hub (as shown at left) 18 - 23 g (0.63 - 0.81 oz)
SFA891
3. Tighten wheel bearing lock nut with Tool.
: 78 - 98 N m (8 - 10 kg-m, 58 - 72 ft-lb)
4. Turn wheel hub several times in both directions.
5. Loosen wheel bearing lock nut so that torque becomes 0 N m
(0 kg-m, 0 ft-lb).
6. Retighten wheel bearing lock nut with Tool.
: 0.5 - 1.5 N m (0.05 - 0.15 kg-m, 4.3 - 13.0 in-lb)
AFA148
FA-8
ON-VEHICLE SERVICE
Front Wheel Bearing (Cont'd)
7. Turn wheel hub several times in both directions. GI
8. Retighten wheel bearing lock nut with Tool.
: 0.5 - 1.5 N m (0.05 - 0.15 kg-m, 4.3 - 13.0 in-lb)
9. Measure wheel bearing axial end play. MA
Axial end play: 0 mm (0 in)
EM
LC
SFA845B
10. Measure starting force ``A'' at wheel hub bolt. EC
FE
CL
MT
SMA580A
11. Install lock washer by tightening the lock nut within 15 to 30 AT
degrees.
12. Turn wheel hub several times in both directions to seat wheel
bearing correctly. TF
13. Measure starting force ``B'' at wheel hub bolt. Refer to step 10.
14. Wheel bearing preload ``C'' can be calculated as shown below.
PD
C=B-A
Wheel bearing preload ``C'': FA
7.06 - 20.99 N (0.72 - 2.14 kg, 1.59 - 4.72 lb)
SFA830
15. Repeat steps 3 through 14 until correct axial end play and
wheel bearing preload are obtained. RA
16. Tighten screws.
: 1.2 - 1.8 N m (0.12 - 0.18 kg-m, 10.4 - 15.6 in-lb)
17. Install free-running hub. BR
Front Wheel Alignment
Before checking front wheel alignment, make a preliminary inspec- ST
tion (Unladen*).
*: Fuel, radiator coolant and engine oil full. Spare tire, jack, hand
tools and mats in designated positions. RS
BT
PRELIMINARY INSPECTION
Aluminum wheel
1. Check tires for wear and proper inflation. HA
2. Check wheels for deformation, cracks and other damage.
If deformed, remove wheel and check wheel runout.
a. Remove tire from aluminum wheel and mount on a tire bal- EL
ance machine.
b. Set dial indicators as shown in the illustration.
Wheel runout average (Dial indicator value): IDX
Refer to SDS, FA-39.
SFA975B
3. Check front wheel bearings for looseness.
FA-9
ON-VEHICLE SERVICE
Front Wheel Alignment (Cont'd)
4. Check front suspension for looseness.
5. Check steering linkage for looseness.
6. Check that front shock absorbers work properly by using the
standard bounce test.
Steel Wheel
1. Check tires for wear and proper inflation.
2. Check wheels for deformation, cracks and other damage.
If deformed, remove wheel and check wheel runout.
a. Remove tire from steel wheel and mount wheel on a tire
balance machine.
b. Set two dial indicators as shown in the illustrations.
c. Set each dial indicator to 0.
d. Rotate wheel, and check dial indicators at several points
around the circumference of the wheel.
e. Calculate runout at each point as shown below.
Radial runout = (A+B)/2
Lateral runout = (A+B)/2
f. Select maximum positive runout value and the maximum
negative value.
Add the two values to determine total runout.
In case a positive or negative value is not available, use the
maximum value (negative or positive) for total runout.
Wheel runout:
Refer to SDS, FA-39
3. Check front wheel bearings for looseness.
4. Check Front suspension for looseness.
5. Check steering linkage for looseness.
6. Check that front shock absorbers work properly by using the
standard bounce test.
7. Measure vehicle height (Unladen): H = A - B mm (in)
Refer to SDS, FA-40.
a. Exercise the front suspension by bouncing the front of the
vehicle 4 or 5 times to ensure that the vehicle is in a neutral
height attitude.
b. Measure wheel alignment.
Refer to SDS, FA-40.
c. If wheel alignment is not as specified, adjust vehicle posture.
Refer to SDS, FA-40.
d. Adjust wheel alignment.
Refer to SDS, FA-40.
SFA815B
SFA816B
FA-10
ON-VEHICLE SERVICE
Front Wheel Alignment (Cont'd)
CAMBER, CASTER AND KINGPIN INCLINATION GI
Before checking camber, caster or kingpin inclination, move
vehicle up and down on turning radius gauge to minimize
friction. Ensure that the vehicle is in correct posture. MA
q Measure camber, caster and kingpin inclination of both right
and left wheels with a suitable alignment gauge and adjust in EM
accordance with the following procedures.
Camber, Caster and Kingpin inclination:
Refer to SDS, FA-40.
LC
SFA894
q In the following two cases, temporarily tighten the adjusting EC
bolts while aligning the matching marks with the slits as shown
in the figure at the left and measure the camber, caster and
kingpin inclination: FE
(1) When replacing the upper link or other suspension
parts with new ones
(2) When matching marks were not painted on adjusting CL
bolts before suspension disassembly procedures
q If matching marks were already painted during suspension
disassembly, align the matching marks with the slits, then tem- MT
porarily tighten the adjusting bolts. Measure the camber, caster
and kingpin inclination.
AT
TF
PD
FA
SFA817B
ADJUSTMENT RA
1. Both camber and caster angles are adjusted by adjusting bolts.
q If the kingpin inclination is outside specifications, check the BR
front suspension parts for wear or damage. Replace faulty
parts with new ones.
2. From the measured value, read the coordinate (or: graduation) ST
at the intersecting point in the graph.
a. If the coordinate (or: graduation) at the intersecting point is
positive, move the pin outward by turning the corresponding RS
adjusting bolt by the indicated graduation.
b. If the coordinate (or: graduation) at the intersecting point is
negative, move the pin inward by turning the corresponding BT
adjusting bolt by the indicated graduation.
After properly moving the pin(s), tighten the front and rear
adjusting bolts to specifications.
HA
3. Re-measure to ensure that the camber and caster are within
specified tolerances.
[Example]
a. Measured values corresponding with the two values indicated
EL
below: (See chart for 4WD model.)
Camber angle: -0◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo