Nissan Sentra. Manual — part 141
BR-6
< PREPARATION >
PREPARATION
Brake caliper wrench
Return the piston
Brake drum clearance gauge
Measuring rear rotor drum inner diameter
Power tool
Loosening nuts, screws and bolts
Tool name
Description
NNFIA0040ZZ
WFIA0167E
PIIB1407E
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
BR-7
< SYSTEM DESCRIPTION >
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SYSTEM DESCRIPTION
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting Chart
INFOID:0000000009755983
Use the chart below to find the cause of the symptom. If necessary, repair or replace these parts.
×: Applicable
Reference page
,
,
,
,
,
,
,
,
,
n"
,
,
,
,
n"
,
,
n"
,
"
Possible cause and
SUSPECTED PARTS
Pa
ds
o
r li
nin
g
da
ma
ge
d
Pa
ds
o
r li
nin
g
un
ev
en
wea
r
Sh
im
s da
ma
ge
d
Ro
tor im
bal
an
ce
Rot
or
or
dru
m
da
ma
ge
Rotor runout
Ro
tor de
form
at
ion
Ro
tor
or d
rum
d
efl
ectio
n
Ro
tor
or d
rum
ru
st
Roto
r th
ic
kn
es
s
va
ria
tio
n
AX
LE A
N
D
SUSPENSION
TI
RE
ROAD W
H
E
E
L
DRIVE
SHAFT
ST
EERING
Symptom
BRAKE
Noise
×
×
×
×
×
×
×
×
×
Shake
×
×
×
×
×
×
Shimmy, Shudder
×
×
×
×
×
×
×
×
×
×
×
BR-8
< BASIC INSPECTION >
BRAKE PEDAL
BASIC INSPECTION
BRAKE PEDAL
Inspection
INFOID:0000000009755984
BRAKE PEDAL HEIGHT
Check the brake pedal height (H
1
) between the dash lower panel (1)
and the brake pedal upper surface.
CAUTION:
Check the brake pedal height with the floor trim removed.
STOP LAMP SWITCH AND BRAKE PEDAL POSITION SWITCH
Check the clearance (A) between the switch assembly bracket (3),
the stop lamp switch (2) and the brake pedal position switch (if
equipped) (1).
CAUTION:
The stop lamp must turn off when the brake pedal is released.
NOTE:
Pull the brake pedal pad to check that both the stop lamp switch (2)
and brake pedal position switch (1) contact ends to brake pedal
bracket (3) clearance (A) are within specification.
BRAKE PEDAL PLAY
Check that brake pedal play does not exist.
DEPRESSED BRAKE PEDAL HEIGHT
Check the brake pedal height (H
2
) between the dash lower panel (1)
and the brake pedal upper surface when depressing the brake pedal
at 490 N (50 kg, 110 lb) while turning engine ON.
CAUTION:
Check the depressed brake pedal height with the floor trim
removed.
Brake pedal height (H
1
) : Refer to
JPFIA0065ZZ
Clearance (A) : Refer to
ALFIA0248ZZ
Depressed brake pedal
height (H
2)
: Refer to
.
JPFIA0068ZZ
BRAKE FLUID
BR-9
< BASIC INSPECTION >
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BRAKE FLUID
Inspection
INFOID:0000000009755985
BRAKE FLUID LEVEL
• Make sure that the brake fluid level in the reservoir tank is between
the MAX and MIN lines.
• Visually check around the reservoir tank for brake fluid leakage.
• If the brake fluid level is excessively low, check the brake system
for leakage.
• If brake warning lamp remains illuminated after parking brake
pedal is released, check the brake system for brake fluid leakage.
BRAKE LINE
1. Check brake line (tubes and hoses) for cracks, deterioration or other damage. Replace any damaged
parts.
2. Check for brake fluid leakage by depressing brake pedal under
a force of 785 N (80 kg-f, 177 lb-ft) for approximately 5 seconds
while engine is running.
CAUTION:
If brake fluid leakage occurs around joints, retighten or
replace damaged parts as necessary.
ALDIA0406ZZ
SBR389C
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