Nissan X-Trail 32. Manual — part 104
BR-10
< SYMPTOM DIAGNOSIS >
[LHD]
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
SYMPTOM DIAGNOSIS
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting Chart
INFOID:0000000010838495
Use the chart below to find the cause of the symptom. If necessary, repair or replace these parts.
×
: Applicable
Reference page
,
,
,
,
,
,
,
,
,
,
NV
H
in
F
A
X
, R
A
X
a
n
d
FS
U,
R
S
U
s
e
c
tio
n
NV
H
in
WT s
e
cti
o
n
NV
H
in
WT s
e
cti
o
n
NV
H
in
F
A
X
se
ct
ion
NV
H
in
S
T
s
e
c
ti
o
n
Possible cause and
SUSPECTED PARTS
Pad
s
da
ma
ge
d
Pad
s
un
ev
en
wea
r
Sh
im
s da
ma
ge
d
Roto
r im
b
a
la
nc
e
Ro
to
r da
ma
ge
Rotor runout
Roto
r d
e
fo
rma
tio
n
Roto
r d
e
fl
ectio
n
Rotor rust
Roto
r th
ickn
ess
va
ria
tio
n
AXLE AND SUSPE
NSION
TIRE
ROA
D
WHEEL
D
R
IV
E
SH
AF
T
STEERI
N
G
Symptom
BRAKE
Noise
×
×
×
×
×
×
×
×
×
Shake
×
×
×
×
×
×
Shimmy, Judder
×
×
×
×
×
×
×
×
×
×
×
BRAKE PEDAL
BR-11
< PERIODIC MAINTENANCE >
[LHD]
C
D
E
G
H
I
J
K
L
M
A
B
BR
N
O
P
PERIODIC MAINTENANCE
BRAKE PEDAL
Inspection and Adjustment
INFOID:0000000010838496
INSPECTION
Brake Pedal Height
Check the height (H
1
) between the dash lower panel
and the
brake pedal upper surface.
CAUTION:
Remove the floor carpet.
Stop Lamp Switch and Brake Pedal Position Switch (with ASCD).
Check the clearance (C) among the brake pedal bracket
and the
stop lamp switch and brake pedal position switch (with ASCD)
threaded end.
CAUTION:
The stop lamp must turn off when the brake pedal is released.
NOTE:
Pull the brake pedal pad to make the clearance between the stop
lamp switch and brake pedal position switch (with ASCD) threaded
end and the brake pedal lever.
Brake Pedal Play
Press the brake pedal. Check the brake pedal play (A) (stroke until
fluid pressure occurs).
Depressed Brake Pedal Height
Check the height between the dash lower panel
and the brake
pedal upper surface (H
2
) when depressing the brake pedal at 490 N
(50 kg, 110 lb) while turning engine ON.
CAUTION:
Remove the floor carpet.
ADJUSTMENT
H
1
: Refer to
JPFIA0065ZZ
C
: Refer to
.
JPFIA0674ZZ
A
: Refer to
JPFIA0277ZZ
H
2
: Refer to
JPFIA0068ZZ
BR-12
< PERIODIC MAINTENANCE >
[LHD]
BRAKE PEDAL
Brake Pedal Height
Perform the following procedure when brake pedal height is not within the specified value because brake
pedal height is not adjustable.
1.
Check input rod length. Refer to
BR-38, "Inspection and Adjustment"
.
2.
Replace brake pedal assembly when input rod length is within specified value.
Stop Lamp Switch and Brake Pedal Position Switch (with ASCD).
1.
Remove instrument lower panel. Refer to
IP-14, "Removal and Installation"
2.
Disconnect the harness connector from stop lamp switch and brake pedal position switch (with ASCD).
3.
Loosen the stop lamp switch and brake pedal position switch (with ASCD) 45
°
counterclockwise.
4.
Press-fit the stop lamp switch and brake position switch (with
ASCD)
until the stop lamp switch and brake pedal position
switch (with ASCD) hits the brake pedal bracket
45
°
clock-
wise while pulling the brake pedal pad slightly.
CAUTION:
• The clearance (C) between the brake pedal bracket and
stop lamp switch and brake pedal position switch (with
ASCD) threaded end must be the specified value.
• The stop lamp must be turned off when the brake pedal is
released.
Depressed Brake Pedal Height
1.
Perform the air bleeding. Refer to
BR-14, "Bleeding Brake System"
.
2.
Check the height between the dash lower panel
and the
brake pedal upper surface (H
2
) when depressing the brake
pedal at 490 N (50 kg, 110 lb) while turning engine ON.
CAUTION:
Remove the floor carpet.
C
: Refer to
.
JPFIA0674ZZ
H
2
: Refer to
JPFIA0068ZZ
BRAKE FLUID
BR-13
< PERIODIC MAINTENANCE >
[LHD]
C
D
E
G
H
I
J
K
L
M
A
B
BR
N
O
P
BRAKE FLUID
Inspection
INFOID:0000000010838497
BRAKE FLUID LEVEL
• Check that the brake fluid level in the reservoir tank is within the
standard (between MAX
−
MIN lines).
• Visually check for any brake fluid leakage around the reservoir
tank.
• Check the brake system for any leakage if the fluid level is
extremely low (lower than MIN).
• Check the brake system for fluid leakage if the warning lamp
remains illuminated even after the parking brake is released.
• Check the reservoir tank for the mixing of foreign matter (e.g. dust)
and oils other than brake fluid.
BRAKE LINE
1.
Check brake line (tubes and hoses) for cracks, deterioration or other damage. Replace any damaged
parts.
2.
Depress the brake pedal with a force of 785 N (80 kg, 176 lb)
and hold down the pedal for approximately 5 seconds with the
engine running. Check for any fluid leakage.
CAUTION:
Retighten the applicable connection to the specified torque
and repair any abnormal (damaged, worn or deformed) part
if any brake fluid leakage is present.
Draining
INFOID:0000000010838498
CAUTION:
• Never spill or splash brake fluid on painted surfaces. Brake fluid may seriously damage paint. Wipe it
off immediately and wash with water if it gets on a painted surface. For brake component parts,
never wash them with water.
• Turn the ignition switch OFF and disconnect the ABS actuator and electric unit (control unit) har-
ness connector or the battery negative terminal before performing work.
1.
Connect a vinyl tube to the bleed valve.
2.
Depress the brake pedal and loosen the bleeder valve to gradu-
ally discharge brake fluid.
Refilling
INFOID:0000000010838499
CAUTION:
• Turn the ignition switch OFF and disconnect the ABS actuator and electric unit (control unit) har-
ness connector or the battery negative terminal before performing work.
JPFIA0007ZZ
SBR389C
BRA0007D
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