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
—
—
—
—
—
—
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
H
in
W
T
s
e
c
tio
n
N
V
H
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
t
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
"INSTRUMENT LOWER DRIVER PANEL"
2.
Remove steering column. Refer to
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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