Infiniti F50. Manual - part 256

 

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Infiniti F50. Manual - part 256

 

 

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

BR-5

C

D

E

G

H

I

J

K

L

M

A

B

BR

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

PFP:00003

NVH Troubleshooting Chart

EFS000NM

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

X: Applicable

Reference page

BR-

2

4

,

BR-

3

1

BR-

2

4

,

BR-

3

1

BR-

2

3

,

BR-

3

0

BR-

2

7

,

BR-

3

4

BR-

2

8

,

BR-

3

4

N

V

H in

 PR s

e

c

ti

o

n

N

V

H in

 RFD s

e

c

ti

o

n

N

V

H in

 F

AX, RAX 

a

n

d

 FS

U

RSU s

e

c

ti

o

n

N

V

in

 W

T

 s

e

c

tio

n

N

V

in

 W

T

 s

e

c

tio

n

N

V

H in

 RAX s

e

c

ti

o

n

N

V

H in

 PS s

e

c

tio

n

Possible cause and
SUSPECTED PARTS

Pad

s

 -

 dam

age

d

Pad

s

 -

 unev

en w

ear

Shi

m

s dam

ag

ed

R

o

to

r i

m

bal

anc

e

Ro

to

r d

a

ma

g

e

R

o

to

r r

un 

out

Ro

to

r d

e

fo

rm

a

ti

o

n

R

o

to

r d

e

fl

e

c

ti

o

n

Ro

to

r ru

s

t

R

o

to

r t

h

ickn

ess 

va

ri

at

io

n

D

rum

 ou

of

 r

oun

d

PROPELL

E

R SHAF

T

DIFFERENTIAL

AXL

E AND 

SUSPENSION

TIRES

ROAD W

H

EEL

D

R

IV

E

 SH

AF

T

STEERING

Symptom

BRAKE

Noise

×

×

×

×

×

×

×

×

×

×

Shake

×

×

×

×

×

×

×

Shimmy, Judder

×

×

×

×

×

×

×

×

×

×

×

BR-6

BRAKE PEDAL

BRAKE PEDAL

PFP:46501

Inspection and Adjustment

EFS000FQ

PLAY AND CLEARANCE BETWEEN BRAKE PEDAL AND FLOOR PANEL WITH PEDAL 
DEPRESSED

1.

Check brake pedal free height from dash floor panel.

2.

Adjust height referring to following specifications.

SFIA0851E

H

Brake pedal height

192.4 - 202.4 mm (7.57 - 7.97 in)

D

Depressed pedal height (under a force of 490 
N (50 kg, 110lb) with engine running)

90 mm (3.54 in) or more

C

1

  or 

C

2

Clearance between stopper rubber and 
threaded end of stop lamp switch and ASCD 
cancel switch.

0.74 - 1.96 mm (0.0291 - 0.0772 in)

A

Pedal play

3 - 11 mm (0.12 - 0.43 in)

BRAKE PEDAL

BR-7

C

D

E

G

H

I

J

K

L

M

A

B

BR

ADJUSTMENT 

1.

Loosen stop lamp switch and ASCD cancel switch by rotating it
counterclockwise by 45

°

.

2.

Loosen lock nut (A) on the input rod, then rotate input rod to set
pedal to the specified height, and tighten lock nut (A).

CAUTION:

Check that threaded end of input rod stays inside clevis.

3.

With the pedal pulled and held by hand, press stop lamp switch
and ASCD cancel switch until its threaded end contacts stopper
rubber.

4.

With the threaded end of stop lamp switch contacting stopper
rubber and ASCD cancel switch, rotate switch clockwise by 45

°

to secure.

CAUTION:

Make sure that clearance (C) between stopper rubber and
threaded end of stop lamp switch and ASCD cancel switch
is within standard.

5.

Check pedal play.

CAUTION:

Make sure that stop lamps go off when pedal is released.

6.

Start the engine to check brake pedal's depressed height.

Removal and Installation

EFS000FR

COMPONENT PARTS DRAWING 

 Lock nut (A) 

:

 15.7 - 21.6 N·m(1.6 - 2.2 kg-m, 12 - 15 in-lb)

SFIA0160E

SFIA0854E

BR-8

BRAKE PEDAL

REMOVAL 

1.

Remove lower driver-side instrument panel. Refer to 

IP-16,

"INSTRUMENT LOWER DRIVER PANEL"

 .

2.

Remove steering column. Refer to 

PS-11, "STEERING COL-

UMN"

 .

3.

Remove stop lamp switch and ASCD cancel switch from pedal
assembly.

4.

Remove snap pin and clevis pin from brake booster clevis.

5.

Remove mounting nuts and bolts from bracket, and remove
pedal assembly from vehicle.

INSPECTION AFTER REMOVAL 

Check brake pedal for bend, damage, and cracks on welded
parts. Replace applicable part if a failure is detected.

Check clevis pin and resin stopper for damage and deformation.
If a failure is detected, replace clevis pin.

INSTALLATION 

Paying attention to the following items, install in reverse order of removal.

After installing brake pedal assembly to vehicle, adjust brake pedal.

SFIA0159E

SBR997

 

 

 

 

 

 

 

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