Nissan Pathfinder. Manual — part 225
BR-8
< BASIC INSPECTION >
BRAKE FLUID
BRAKE FLUID
Inspection
INFOID:0000000009177170
BRAKE FLUID LEVEL
• Make sure that the brake fluid level in the reservoir sub tank is
between the MAX and MIN lines.
• Visually check around the reservoir sub tank and 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 fully depressing brake pedal
while engine is running.
CAUTION:
If brake fluid leakage occurs around joints, retighten or
replace damaged parts as necessary.
ALFIA0249ZZ
SBR389C
BRAKE MASTER CYLINDER
BR-9
< BASIC INSPECTION >
C
D
E
G
H
I
J
K
L
M
A
B
BR
N
O
P
BRAKE MASTER CYLINDER
Inspection
INFOID:0000000009177171
Check for brake fluid leakage at the following areas:
• Master cylinder mounting face
• Reservoir tank mounting face
• Reservoir sub 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.
BR-10
< BASIC INSPECTION >
BRAKE BOOSTER
BRAKE BOOSTER
Inspection
INFOID:0000000009177172
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
FRONT DISC BRAKE
BR-11
< BASIC INSPECTION >
C
D
E
G
H
I
J
K
L
M
A
B
BR
N
O
P
FRONT DISC BRAKE
BRAKE PAD
BRAKE PAD : Inspection
INFOID:0000000009177173
Check brake pad wear thickness from an inspection hole (A) on cyl-
inder body. Check using a scale if necessary.
DISC ROTOR
DISC ROTOR : Inspection
INFOID:0000000009177174
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 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 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.
CAUTION:
• Check in advance that the thickness of the disc rotor is wear thickness + 0.3 mm (0.012 in) or
more.
• If the thickness is less than wear thickness + 0.3 mm (0.012 in), replace the disc rotor.
THICKNESS
Wear thickness
: Refer to
.
AWFIA0891ZZ
Runout
: Refer to
Tool number
: 38-PFM92-GYX/5 ( — )
Wear thickness
: Refer to
.
SBR019B
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