Infiniti F50. Manual - part 732

PREPARATION

RSU-3

C

D

F

G

H

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J

K

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RSU

PREPARATION

PFP:00002

Special Service Tools

EES000U7

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.

Commercial Service Tools

EES000U8

Tool number
(Kent-Moore No.)
Tool name

Description

ST3127 S000
(See J25742-A)
Preload gauge
1. GC91030000
              Torque wrench (J25765)
2. HT62940000 (  —  )
               Socket adapter (1/2

″

)

3. HT62900000 (  —  )
               Socket adapter (3/8

″

)

Measuring rotating torque of ball joint

NT124

Tool name

Description

Power tool

●

Removing wheel nuts

●

Removing brake caliper

●

Removing stabilizer assembly

PBIC0190E

RSU-4

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

PFP:00003

NVH Troubleshooting Chart

EES000U9

Use chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.

×

: Applicable

Reference page

RSU-

5

RSU-

9

—

—

—

RSU-

5

RSU-

6

RSU-1

6

 

NVH i

n

 PR s

e

c

tio

n

.

NVH i

n

 RFD s

e

c

tio

n

.

NVH 

in

 F

AX a

n

d

 FSU s

e

c

tio

n

s

.

NVH i

n

 W

T

 s

e

c

tio

n

.

NVH i

n

 W

T

 s

e

c

tio

n

.

NVH i

n

 RAX s

e

c

tio

n

.

NVH i

n

 BR s

e

c

tio

n

.

NVH i

n

 PS s

e

c

ti

o

n

.

Possible cause and SUSPECTED PARTS

Im

pr

ope

r i

n

st

al

la

ti

on,

 l

o

o

s

ene

ss

Shoc

k abso

rbe

r def

am

at

io

n,

 da

m

a

ge or

 def

le

ct

io

n

Bush

in

g 

o

r m

ount

ing det

er

io

ra

ti

o

n

Par

ts

 i

n

te

rf

er

enc

e

Sp

ri

n

g

 fa

tig

u

e

Susp

ensi

o

n

 l

oos

enes

s

In

cor

rec

t w

hee

l al

ig

nm

ent

S

tab

ili

z

er

 ba

r 

fa

ti

gue

PROPELLER SHAFT

DI

FF

ERENTI

AL

FRONT A

X

LE 

AND FRONT 

SUSPENSION

TIR

E

S

ROAD 

  W

H

EEL

DRI

VE SHAFT

BRAKES

STEERING

Symptom

REAR SUSPENSION

Noise

×

×

×

×

×

×

×

×

×

×

×

×

×

×

Shake

×

×

×

×

×

×

×

×

×

×

×

×

Vibration

×

×

×

×

×

×

×

×

×

×

Shimmy

×

×

×

×

×

×

×

×

×

×

Judder 

×

×

×

×

×

×

×

×

Poor quality ride or 
handling

×

×

×

×

×

×

×

×

×

×

REAR SUSPENSION ASSEMBLY

RSU-5

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RSU

REAR SUSPENSION ASSEMBLY

PFP:55020

Components

EES000UA

SEIA0398E

RSU-6

REAR SUSPENSION ASSEMBLY

On-Vehicle Inspection and Service

EES000UB

Check that the mounting conditions (looseness, back lash) of each component and component status (wear,
damage) are normal.

INSPECTION OF BALL JOINT END PLAY

●

Measure axial end play by installing and moving up/down with an iron pry bar or something similar
between suspension arm and axle.

CAUTION:

Be careful not to damage ball joint boot.

SHOCK ABSORBER INSPECTION

●

Check shock absorber for oil leakage damage and replace if necessary.

Wheel Alignment Inspection

EES000UC

DESCRIPTION

●

Measure wheel alignment under unladen conditions. “Unladen conditions” means that fuel, coolant, and
lubricant are full. Spare tire, jack, hand tools and mats in designated positions.

PRELIMINARY INSPECTION

1.

Check tires for improper air pressure and wear.

2.

Check road wheels for runout.

3.

Check wheel bearing axial end play.

4.

Check ball joint axial end play of suspension arm.

5.

Check shock absorber operation.

6.

Check each mounting point of axle and suspension for looseness and deformation.

7.

Check each link, arm and member for cracks, deformation, and other damage.

8.

Check vehicle posture.

1.

Cap

2.

Actuator assembly

3.

Actuator plate

4.

Washer

5.

Shock absorber mounting seal

6.

Bushing

7.

Distance tube

8.

Shock absorber mounting bracket

9.

Bound bumper cover

10. Bound bumper

11.

Shock absorber

12.

Axle

13. Bracket

14.

Upper seat

15.

Coil spring

16. Rubber seat

17.

Rear lower link

18.

Front lower link

19. Radius rod

20.

Suspension arm

21.

Stabilizer connecting rod mounting bracket

22. Stabilizer connecting rod

23.

Dynamic damper

24. 

Rear suspension member

25. Stabilizer bar

26.

Stabilizer bushing

27.

Stabilizer clamp

28. Cross bar

29.

Member stay

Standard value

Axial end play

: 0 mm (0 in)