Nissan Primera P12. Instruction — part 474
FAX-6
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
PFP:00003
NVH Troubleshooting Chart
EDS0015L
Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×
: Applicable
Reference page
Re
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to
NVH
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NVH
in
W
T
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N
V
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on.
Possible cause and SUSPECTED PARTS
Im
pro
per
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st
al
la
ti
on
,
lo
o
sen
e
ss
Par
ts
int
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fe
ren
c
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W
heel
bear
in
g
dam
age
TIRES
ROAD
WHEEL
STEERING
Symptom
FRONT AXLE
Noise
×
×
×
×
×
Shake
×
×
×
×
×
Vibration
×
×
×
×
Shimmy
×
×
×
×
×
Judder
×
×
×
×
Poor quality ride or handling
×
×
×
×
×
FRONT WHEEL HUB AND KNUCKLE
FAX-7
C
E
F
G
H
I
J
K
L
M
A
B
FAX
FRONT WHEEL HUB AND KNUCKLE
PFP:40202
On-Vehicle Inspection
EDS0015M
Inspect to check that there is no excessive play, cracking, wear, or
other damage to front axle.
●
Turn front wheels (left/right) and check the play.
●
Check that no nails or other foreign objects are embedded.
●
Retighten all axle nuts and bolts to the specified torque.
FRONT WHEEL BEARINGS
With the vehicle raised, inspect the following.
●
Move wheel hub in the axial direction by hand. Check that there is no looseness of front wheel bearings.
●
Rotate wheel hub and check that there is no unusual noise or other irregular conditions. If there are any
irregular conditions, replace the wheel bearing.
Removal and Installation
EDS0015N
REMOVAL
1.
Remove tire. Remove brake hose lock plate from strut.
2.
Remove brake caliper from steering knuckle. Hang it in a place where it will not interfere with work.
CAUTION:
Avoid depressing the brake pedal with brake caliper removed.
3.
Remove ABS wheel speed sensor from steering knuckle.
CAUTION:
Do not pull on ABS wheel speed sensor harness.
SMA525A
Axial end play
: 0.045 - 0.065 mm (0.00177 - 0.00256
in)
MDIA0007E
1.
Steering knuckle
2.
Splash guard
3.
Wheel bearing assembly
4.
Snap ring
5.
Wheel hub
6.
Hub bolt
7.
Cotter pin
8.
Disc rotor
FAX-8
FRONT WHEEL HUB AND KNUCKLE
4.
Remove cotter pin. Use a hub lock nut wrench to remove lock
nuts from drive shaft.
5.
Remove disc rotor from wheel hub.
6.
Remove cotter pin. Use a ball joint remover to remove tie rod
from steering knuckle.
CAUTION:
When using a ball joint remover, install nuts temporarily.
7.
Remove kingpin cap using flat-bladed screwdriver or similar
tool.
8.
Remove joint lock nut and washer between steering knuckle and
upper link.
Remove steering knuckle from upper link.
9.
Remove steering knuckle from strut.
10. Remove drive shaft from steering knuckle.
11. Remove cotter pin. Use a ball joint remover to remove trans-
verse link from steering knuckle.
CAUTION:
When using a ball joint remover, install nuts temporarily.
INSTALLATION
For tightening torque and other information, refer to the component parts drawing. For installation, follow
removal procedure in reverse order.
Disassembly and Assembly
EDS0015O
DISASSEMBLY
1.
Set steering knuckle on bench vise at point where strut is
attached. Use a sliding hammer and attachment to remove
wheel hub from steering knuckle.
CAUTION:
When placing onto bench vise, be careful not to damage
strut mounting surface of steering knuckle. Use an alumi-
num plate or another suitable tool.
2.
As shown in the figure, use a puller, drift, and bearing replacer to
remove outer side inner race of wheel bearing from wheel hub.
3.
Use a flat-bladed screwdriver or similar tool to remove snap ring.
CAUTION:
Be careful not to scratch the steering knuckle.
4.
Fix steering knuckle to bench vise. Use a flat-bladed screwdriver
and hammer to remove splash guard from steering knuckle.
RAC0718D
FAC0734D
FAC0736D
SDIA0588E
FRONT WHEEL HUB AND KNUCKLE
FAX-9
C
E
F
G
H
I
J
K
L
M
A
B
FAX
5.
Use a drift and a press to remove wheel bearings.
INSPECTION AFTER DISASSEMBLY
Wheel Hub
●
Check wheel bearings for damage, seizure, and corrosion. Also check wheel hubs for cracks (using a die
test or other method). Replace if any irregular conditions are found.
Steering Knuckle
●
Check steering knuckle for deformation, cracks, and other damage. Replace if any irregular conditions are
found.
Snap Ring
●
Check snap ring for wear or other damage. Replace if any irregular conditions are found.
ASSEMBLY
1.
Use a drift to install splash guard onto steering knuckle.
CAUTION:
Discard the old splash guard; replace with a new one.
●
Install splash guard in position shown in the figure.
FAC0739D
FAC0740D
MDIA0008E
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