Nissan Pathfinder (2009 year). Instruction — part 93
BR-26
< ON-VEHICLE REPAIR >
BRAKE TUBE AND HOSE
BRAKE TUBE AND HOSE
Hydraulic Circuit
INFOID:0000000004391467
Brake Tube and Hose Connections
AWFIA0411ZZ
1.
Actuator
2.
Master cylinder
3.
Brake booster
4.
Connector
A.
Union bolt
18.2 N·m (1.9 kg-m, 13 ft-lb)
B.
Flare nut M12
18.2 N·m (1.9 kg-m, 13 ft-lb)
C.
Flare nut M10
13.0 N·m (1.3 kg-m, 10 ft-lb)
2009 Pathfinder
BRAKE TUBE AND HOSE
BR-27
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ABS Actuator and Electric Unit Brake Pipe Connections for VK56DE
WFIA0389E
1.
To rear left disc brake
13.0 N·m (1.3 kg-m, 10 ft-lb)
2.
To rear right disc brake
13.0 N·m (1.3 kg-m, 10 ft-lb)
3.
To front left disc brake
13.0 N·m (1.3 kg-m, 10 ft-lb)
4.
To front right disc brake
13.0 N·m (1.3 kg-m, 10 ft-lb)
5.
From the master cylinder secondary side
18.2 N·m (1.9 kg-m, 13 ft-lb)
6.
From the master cylinder primary side
18.2 N·m (1.9 kg-m, 13 ft-lb)
7.
ABS actuator and electric unit
(control unit)
8.
Harness connector
9.
Grommet
10. Collar
2009 Pathfinder
BR-28
< ON-VEHICLE REPAIR >
BRAKE TUBE AND HOSE
ABS Actuator and Electric Unit Brake Pipe Connections for VQ40DE
CAUTION:
• All hoses and piping (tubes) must be free from excessive bending, twisting and pulling.
• Make sure there is no interference with other parts when turning the steering wheel both clockwise
and counterclockwise.
• The brake piping is an important safety part. If a brake fluid leak is detected, always disassemble the
parts. Replace applicable part with a new one, if necessary.
• 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.
• Do not bend or twist brake hose sharply, or strongly pull it.
• When removing components, cover connections so that no dirt, dust, or other foreign matter gets in.
• Refill with new specified brake fluid. Refer to
MA-12, "Fluids and Lubricants"
.
• Do not reuse drained brake fluid.
Removal and Installation of Front Brake Piping and Brake Hose
INFOID:0000000003937506
REMOVAL
1.
Drain brake fluid. Refer to
ALFIA0146ZZ
1.
From master cylinder secondary side
18.2 N·m (1.9 kg-m, 13 ft-lb)
2.
To rear right disc brake
13.0 N·m (1.3 kg-m, 10 ft-lb)
3.
To rear left disc brake
13.0 N·m (1.3 kg-m, 10 ft-lb)
4.
To front right disc brake
13.0 N·m (1.3 kg-m, 10 ft-lb)
5.
To front left disc brake
13.0 N·m (1.3 kg-m, 10 ft-lb)
6.
From master cylinder primary side
18.2 N·m (1.9 kg-m, 13 ft-lb)
7.
ABS actuator and electric unit (control
unit)
8.
Harness connector
Front
2009 Pathfinder
BRAKE TUBE AND HOSE
BR-29
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2.
Remove brake tube from brake hose, using a suitable tool.
3.
Remove lock plate and brake hose from bracket.
4.
Remove union bolt and copper washers, then remove brake
hose from caliper assembly.
CAUTION:
Do not reuse copper washers.
INSTALLATION
1.
Install brake hose by aligning with the protrusion on caliper
assembly, then install new copper washers and union bolt.
Tighten union bolt to specified torque. Refer to
.
CAUTION:
Use new copper washers for installation.
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. Refer to
4.
Refill brake fluid and bleed air. Refer to
BR-20, "Bleeding Brake System"
.
Removal and Installation of Rear Brake Piping and Brake Hose
INFOID:0000000003937507
REMOVAL
1.
Drain brake fluid. Refer to
LFIA0236E
LFIA0235E
SFIA1137E
LFIA0236E
2009 Pathfinder
BR-30
< ON-VEHICLE REPAIR >
BRAKE TUBE AND HOSE
2.
Remove brake tube from brake hose, using a suitable tool.
3.
Remove lock plate and brake hose from bracket.
4.
Remove union bolt and copper washers, then remove brake
hose from caliper assembly.
CAUTION:
Do not reuse copper washer.
INSTALLATION
1.
Install brake hose by aligning with the protrusion on caliper
assembly, then install new copper washers and union bolt.
Tighten union bolt to specified torque. Refer to
.
CAUTION:
Do not reuse copper washers.
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
BR-20, "Bleeding Brake System"
.
Inspection After Installation
INFOID:0000000003937508
CAUTION:
Brake pies and hoses are important safety parts. Always disassemble the parts and retighten their fit-
tings if a brake fluid leak is detected. Replace applicable part with a new one, if a damaged part is
detected.
1.
Check brake pipes and hoses, and connections for fluid leaks, damage, twist, deformation, contact with
other parts, and loose connections. Replace any parts as necessary. Refer to
LFIA0238E
LFIA0237E
SFIA1137E
LFIA0238E
2009 Pathfinder
BRAKE TUBE AND HOSE
BR-31
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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 each part for fluid leaks.
2009 Pathfinder
BR-32
< ON-VEHICLE REPAIR >
BRAKE MASTER CYLINDER
BRAKE MASTER CYLINDER
Removal and Installation
INFOID:0000000003937509
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 the brake fluid. Refer to
.
2.
Disconnect the harness connectors for the fluid level sensor and fluid pressure sensor.
3.
Disconnect the brake pipes from the master cylinder assembly.
4.
Remove the master cylinder assembly nuts and discard.
CAUTION:
Discard the nuts, do not reuse.
AWFIA0462GB
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
11.
Pin
A.
PBC (Poly Butyl Cuprysil) grease
or silicone based grease
B.
Brake fluid
R.
Rubber grease
Front
2009 Pathfinder
BRAKE MASTER CYLINDER
BR-33
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5.
Remove the master cylinder assembly.
INSTALLATION
Installation is in the reverse order of removal.
• Use new master cylinder assembly nuts for installation.
CAUTION:
Do not reuse the master cylinder assembly nuts.
• Refill the brake fluid and bleed the air. Refer to
BR-20, "Bleeding Brake System"
CAUTION:
• Refill using recommended brake fluid. Refer to
.
• Do not reuse drained brake fluid.
• Adjust the brake pedal. Refer to
BR-17, "Inspection and Adjustment - Standard Pedal"
and Adjustment - Adjustable Pedal"
.
• Apply silicon grease to the brake booster at position (A) as shown
when installing the master cylinder assembly to the brake booster.
JPFIA0013ZZ
2009 Pathfinder
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