Nissan Sentra. Instruction — part 142
BR-10
< BASIC INSPECTION >
BRAKE MASTER CYLINDER
BRAKE MASTER CYLINDER
Inspection
INFOID:0000000009755986
Check for brake fluid leakage at the following areas:
• Master cylinder mounting face
• Reservoir tank mounting face
• Brake tube and brake tube connections
• Brake hose and brake hose connections
If any brake fluid leakage is found, repair as necessary.
On Board Inspection
INFOID:0000000009755987
LEAK INSPECTION
Check for leaks in the master cylinder installation surface, reservoir tank installation surface, and brake pipe
and hose connections.
BRAKE BOOSTER
BR-11
< BASIC INSPECTION >
C
D
E
G
H
I
J
K
L
M
A
B
BR
N
O
P
BRAKE BOOSTER
Inspection
INFOID:0000000009755988
Operation
Depress the brake pedal several times at five second intervals with
the engine stopped. Start the engine with the brake pedal fully
depressed. Check that the clearance between brake pedal and dash
lower panel decreases.
NOTE:
A slight impact with a small click may be felt on the pedal when the
brake pedal is fully depressed. This is normal brake system opera-
tion.
Vacuum Inspection
Idle the engine for one minute to apply vacuum to the brake booster.
Stop the engine. Depress the brake pedal several times at five sec-
ond intervals until the accumulated vacuum is released to atmo-
spheric pressure. Check that the clearance between brake pedal
and dash lower panel gradually increases (A
→ B → C) each time
the brake pedal is depressed during this operation.
Depress the brake pedal with the engine running. Then stop the
engine while holding down the brake pedal. Check that the brake
pedal stroke does not change after holding down the brake pedal for
30 seconds or more.
NOTE:
A slight impact with a small click may be felt on the pedal when the
brake pedal is fully depressed. This is normal brake system opera-
tion.
BRA0037D
JPFIA0043ZZ
JPFIA0044ZZ
BR-12
< BASIC INSPECTION >
FRONT DISC BRAKE
FRONT DISC BRAKE
BRAKE PAD
BRAKE PAD : Inspection
INFOID:0000000009755989
PAD WEAR
Check brake pad thickness from an inspection hole on caliper body.
Check using a scale if necessary.
DISC ROTOR
DISC ROTOR : Inspection
INFOID:0000000009755990
APPEARANCE
Check surface of disc rotor for uneven wear, cracks or damage. Replace if any abnormal conditions exist.
RUNOUT
1. Check the wheel bearing axial end play before the inspection. Refer to
.
2. Secure the disc rotor to the wheel hub and bearing assembly
with wheel nuts at two wheel nut locations.
3. Inspect the runout with a dial gauge, measured at 10 mm (0.39
in) inside the disc edge.
4. Find the installation position with a minimum runout by shifting
the disc rotor-to-wheel hub and bearing assembly installation
position by one hole at a time if the runout exceeds the limit
value.
5. Refinish the disc rotor if the runout is outside the limit even after
performing the above operation. When refinishing, use Tool.
THICKNESS
Check the thickness of the disc rotor using a micrometer. Replace
the disc rotor if the thickness is below the wear limit.
Wear limit thickness
: Refer to
.
BRA0010D
Runout
: Refer to
Tool number
: 38-PFM92 ( — )
SBR019B
Wear thickness
: Refer to
Thickness variation : Refer to
SBR020B
REAR DRUM BRAKE
BR-13
< BASIC INSPECTION >
C
D
E
G
H
I
J
K
L
M
A
B
BR
N
O
P
REAR DRUM BRAKE
BRAKE LINING
BRAKE LINING : Inspection
INFOID:0000000009755991
INSPECTION
Brake Lining
1. Check brake lining wear thickness (A). Check using a scale if
necessary.
BRAKE DRUM
BRAKE DRUM : Inspection
INFOID:0000000009755992
INSPECTION
Appearance
Check surface of brake drum for uneven wear, cracks and serious damage. Replace it if necessary. Refer to
BR-42, "Removal and Installation"
.
Brake Drum Inner Diameter
Check inner diameter (B) of the brake drum using suitable tool.
Lining wear thickness (A) : Refer to
SBR021A
Brake drum inner diameter (B) : Refer to
AWFIA0970ZZ
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