Nissan Pathfinder (2008 year). Manual — part 84
BRAKE PIPING AND HOSE
BR-19
< REMOVAL AND INSTALLATION >
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2.
Insert brake hose end through bracket, then secure it to bracket
with lock plate.
3.
Install brake tube to brake hose, then tighten flare nut to the
specified torque using a suitable tool.
4.
Refill brake fluid and bleed air. Refer to
Inspection After Installation
INFOID:0000000001297437
CAUTION:
If a leak is detected at the connections, retighten it or, if necessary, replace the damaged part.
1.
Check brake lines (tubes and hoses), and connections for fluid leaks, damage, twist, deformation, contact
with other parts, and loose connections. Replace any damaged parts.
2.
While depressing brake pedal under a force of 785 N (80 kg-f, 177 lb-f) with engine running for approxi-
mately 5 seconds, check for fluid leaks from each part.
LFIA0238E
BR-20
< REMOVAL AND INSTALLATION >
BRAKE MASTER CYLINDER
BRAKE MASTER CYLINDER
Removal and Installation
INFOID:0000000001297439
Brake Master Cylinder
CAUTION:
Be careful not to splash brake fluid on painted areas; it may cause paint damage. If brake fluid is
splashed on painted areas, wash it away with water immediately.
REMOVAL
1.
Drain brake fluid. Refer to
.
2.
Disconnect harness connectors for fluid level sensor and pressure sensor.
3.
Disconnect brake tube from master cylinder assembly.
4.
Remove master cylinder assembly nuts and master cylinder assembly.
INSTALLATION
• Installation is in the reverse order of removal.
WFIA0411E
1.
Reservoir cap
2.
Strainer
3.
Fluid level sensor
4.
Reservoir tank
5.
Grommet
6.
Restriction washer
7.
Master cylinder sub-assembly
8.
Fluid pressure sensor
9.
O-ring
10. Brake booster
⇐
Front
B.
Brake fluid
R.
Rubber grease
BRAKE MASTER CYLINDER
BR-21
< REMOVAL AND INSTALLATION >
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• Refill brake fluid and bleed air. Refer to
CAUTION:
• Refill using recommended brake fluid. Refer to
• Do not reuse drained brake fluid.
• Adjust brake pedal. Refer to
BR-7, "Brake Pedal Inspection and Adjustment"
.
BR-22
< REMOVAL AND INSTALLATION >
BRAKE BOOSTER
BRAKE BOOSTER
Removal and Installation
INFOID:0000000001297442
Brake Booster
REMOVAL
CAUTION:
• Be careful not to deform or bend brake piping while removing and installing brake booster.
• Replace clevis pin if it is damaged.
• Be careful not to damage brake booster stud bolt threads. If brake booster is tilted or inclined during
installation, dash panel may damage the threads.
• Attach the check valve in the correct direction.
1.
Remove actuator and electric unit. Refer to
BRC-123, "Removal and Installation"
2.
Remove brake piping from brake master cylinder.
3.
Remove brake master cylinder. Refer to
BR-20, "Removal and Installation"
.
LFIA0241E
1.
Brake booster hose
2.
Brake booster vacuum check valve 3.
Brake booster
4.
Lock nut
5.
Gasket
6.
Spacer block
BRAKE BOOSTER
BR-23
< REMOVAL AND INSTALLATION >
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4.
Remove vacuum hose from brake booster. Refer to
5.
Remove brake pedal attachment snap pin and clevis pin from inside the vehicle.
6.
Remove nuts on brake booster and brake pedal assembly.
7.
Remove brake booster assembly from dash panel.
INSTALLATION
1.
Loosen lock nut to adjust input rod length so that the length "B"
satisfies the specified value.
2.
After adjusting "B", temporarily tighten lock nut and install
booster assembly to the vehicle.
• Install a gaskets and spacer block between booster assembly
and the dash panel.
3.
Connect brake pedal with clevis of input rod.
4.
Install brake booster nuts.
5.
Install brake piping from brake master cylinder to actuator and
electric unit. Refer to
.
6.
Connect vacuum hose to brake booster.
7.
Install master cylinder to booster assembly. Refer to "Removal and Installation".
8.
Adjust the height of brake pedal. Refer to
BR-7, "Brake Pedal Inspection and Adjustment"
.
9.
Tighten input rod lock nut.
10. Refill new brake fluid and bleed air. Refer to
Length "B"
: 150 mm (5.91 in)
SGIA0060E
BR-24
< REMOVAL AND INSTALLATION >
VACUUM LINES
VACUUM LINES
Removal and Installation
INFOID:0000000001297443
Brake Booster Vacuum Hose
1.
Disconnect brake booster hose from hose clip mounted on bracket.
2.
Release clips and disconnect brake booster hose.
3.
Remove check valve from brake booster.
4.
Installation is in the reverse order of removal.
CAUTION:
• Insert vacuum hose for at least 24 mm (0.94 in).
• Do not use lubricating oil during assembly.
WFIA0332E
1.
Brake booster hose
2.
Brake booster hose clip
3.
Brake booster vacuum check valve
SBR225B
FRONT DISC BRAKE
BR-25
< REMOVAL AND INSTALLATION >
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FRONT DISC BRAKE
Component
INFOID:0000000001297446
Front Disc Brake Caliper and Pads
WARNING:
Clean dust on caliper and brake pad with a vacuum dust collector to minimize the hazard of airborne
particles or other materials.
CAUTION:
AWFIA0077GB
1.
Sliding pin bolt
2.
Cylinder body
3.
Piston seal
4.
Piston
5.
Piston boot
6.
Sliding pin
7.
Sliding pin boot
8.
Torque member bolt
9.
Torque member
10.
Upper pad retainer
11.
Outer shim
12. Inner brake pad
13.
Outer brake pad
14. Lower pad retainer
15. Shim cover
16.
Bleed valve
17. Cap
18. Copper washers
19.
Union bolt
20. Brake hose
21. Pad return spring
B.
Brake fluid
R.
Rubber grease
⇐
: Front
BR-26
< REMOVAL AND INSTALLATION >
FRONT DISC BRAKE
• While removing cylinder body never depress brake pedal because piston will pop out.
• It is not necessary to remove bolts on torque member and brake hose except for disassembly or
replacement of cylinder body. In this case, hang cylinder body with a wire so as not to stretch brake
hose.
• Do not damage piston boot.
• Burnish brake contact surface after refinishing or replacing rotors, after replacing pads, or if a soft
pedal occurs at very low mileage. Refer to
.
Removal and Installation of Brake Caliper and Disc Rotor
INFOID:0000000001297448
REMOVAL
1.
Remove wheel and tire using power tool.
2.
Drain brake fluid as necessary. Refer to
NOTE:
Do not remove union bolt unless removing cylinder body from vehicle.
3.
Remove union bolt as necessary and torque member bolts, then remove cylinder body from the vehicle.
NOTE:
• Position cylinder body aside using suitable wire, as necessary.
• When servicing brake caliper, remove sliding pin bolts and caliper from torque member.
4.
Remove torque member.
5.
Remove disc rotor.
INSTALLATION
CAUTION:
• Refill with new brake fluid. Refer to
• Do not reuse drained brake fluid.
1.
Install disc rotor.
2.
Install torque member and tighten to specification. Refer to
.
3.
Install sliding pin bolts, if removed.
4.
Install cylinder body, then tighten sliding pin bolts to the specified
torque. Refer to
.
CAUTION:
When attaching cylinder body to the vehicle, wipe any oil
off knuckle spindle, washers and cylinder body attachment
surfaces.
5.
Install brake hose to cylinder body, if removed, then tighten
union bolt to the specified torque. Refer to
.
CAUTION:
• Do not reuse copper washers for union bolt.
• Attach brake hose to cylinder body together with union
bolt and washers.
6.
Refill with new brake fluid as necessary and bleed air. Refer to
.
7.
Install wheel and tire. Refer to
.
LFIA0239E
LFIA0235E
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