Nissan Pathfinder (2006 year). Instruction — part 111
BRAKE FLUID
BR-11
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2006 Pathfinder
BRAKE FLUID
PFP:KN100
On-board Inspection
EFS0063G
LEVEL CHECK
●
Check that the brake fluid level in the reservoir tank is within
specification, between the MAX and MIN lines as shown.
●
Visually check around reservoir tank for fluid leaks.
●
If fluid level is excessively low, check brake system for leaks.
●
If brake warning lamp remains illuminated after the parking
brake pedal is released, check the brake system for any brake
fluid leaks.
Drain and Refill
EFS0063H
CAUTION:
●
Refill with new brake fluid. Refer to
MA-11, "Fluids and Lubricants"
●
Do not reuse drained brake fluid.
●
Do not let brake fluid splash on the painted surfaces of the body. This might damage the paint, so
when splashing it, immediately wipe off the area and wash away with water.
●
Before servicing, disconnect battery negative cable.
1.
Connect a vinyl tube to each bleed valve.
2.
Depress brake pedal, loosen each bleed valve, and gradually
remove brake fluid.
3.
Make sure there is no foreign material in reservoir tank, and refill
with new brake fluid.
4.
Rest foot on brake pedal. Loosen bleed valve. Slowly depress
pedal until it stops. Tighten bleed valve. Release brake pedal.
Repeat this process a few times, then pause to add new brake
fluid to master cylinder. Continue until new brake fluid flows out.
Bleed air from brake system. Refer to
LFIA0234E
SBR419C
SBR995
BR-12
BRAKE FLUID
2006 Pathfinder
Bleeding Brake System
EFS0063I
CAUTION:
While bleeding, monitor the master cylinder brake fluid level.
1.
Turn ignition switch OFF and disconnect battery negative cable.
2.
Connect a vinyl tube to the rear right bleed valve.
3.
Fully depress brake pedal 4 to 5 times.
4.
With brake pedal depressed, loosen bleed valve to let the air out, and then tighten it immediately.
5.
Repeat steps 3 and 4 until no more air comes out.
6.
Tighten bleed valve to the specified torque. Refer to
(front disc brake),
7.
Perform steps 2 to 6 at each wheel, with master cylinder reservoir tank filled at least half way, bleed air
from the front left, rear left, and front right bleed valve, in that order.
BRAKE PIPING AND HOSE
BR-13
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2006 Pathfinder
BRAKE PIPING AND HOSE
PFP:46210
Hydraulic Circuit
EFS0063J
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 steering 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 way 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 brake fluid. Refer to
MA-11, "Fluids and Lubricants"
●
Do not reuse drained brake fluid.
Removal and Installation of Front Brake Piping and Brake Hose
EFS0063K
REMOVAL
1.
2.
Using a flare nut wrench, remove brake tube from brake hose.
3.
Remove lock plate and brake hose from bracket.
4.
Remove union bolt and then remove brake hose from caliper assembly.
1.
Actuator
2.
Master cylinder
3.
Brake booster
4.
Connector
WFIA0278E
BR-14
BRAKE PIPING AND HOSE
2006 Pathfinder
INSTALLATION
1.
Install brake hose by aligning with the protrusion on caliper
assembly, and tighten union bolt to the specified torque. Refer to
NOTE:
Do not reuse copper washer.
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 flare nut wrench.
4.
Refill brake fluid and bleed air. Refer to
Removal and Installation of Rear Brake Piping and Brake Hose
EFS0063L
REMOVAL
1.
2.
Using a flare nut wrench, remove brake tube from brake hose.
3.
Remove lock plate and brake hose from bracket.
4.
Remove union bolt, and then remove brake hose from caliper assembly.
INSTALLATION
1.
Install brake hose by aligning with the protrusion on caliper
assembly, and tighten union bolt to the specified torque. Refer to
NOTE:
Do not reuse copper washer.
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 flare nut wrench.
4.
Refill brake fluid and bleed air. Refer to
LFIA0235E
LFIA0236E
LFIA0237E
LFIA0238E
BRAKE PIPING AND HOSE
BR-15
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2006 Pathfinder
Inspection After Installation
EFS0063M
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.
BR-16
BRAKE MASTER CYLINDER
2006 Pathfinder
BRAKE MASTER CYLINDER
PFP:46010
On-board Inspection
EFS0063N
LEAK INSPECTION
●
Check for leaks at master cylinder to brake booster attachment point, reservoir tank, and brake tube con-
nections.
Removal and Installation
EFS0063O
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.
2.
Disconnect harness connectors for fluid level sensor and pressure sensor.
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
BRAKE MASTER CYLINDER
BR-17
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2006 Pathfinder
3.
Using a flare nut wrench, disconnect brake tube from master cylinder assembly.
4.
Remove master cylinder assembly mounting nuts and master cylinder assembly.
INSTALLATION
●
Installation is in the reverse order of removal.
●
Refill brake fluid and bleed air. Refer to
BR-12, "Bleeding Brake System"
.
CAUTION:
●
Refill using recommended brake fluid. Refer to
MA-11, "RECOMMENDED FLUIDS AND LUBRI-
●
Do not reuse drained brake fluid.
●
BR-6, "Inspection and Adjustment"
.
Disassembly and Assembly
EFS0063P
DISASSEMBLY
CAUTION:
●
Master cylinder cannot be disassembled.
●
Remove reservoir tank only when absolutely necessary.
Pull reservoir tank off master cylinder sub-assembly, then remove grommets from master cylinder sub-assem-
bly body.
ASSEMBLY
CAUTION:
●
Never use mineral oils such as kerosene, gasoline during the cleaning and assembly process.
●
Do not drop parts. If a part is dropped, do not use it.
1.
Apply brake fluid or rubber grease to new grommets, then insert into master cylinder sub-assembly. Refer
to
GI-47, "RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS"
CAUTION:
Do not reuse grommet.
2.
Install reservoir tank onto master cylinder assembly.
BR-18
BRAKE BOOSTER
2006 Pathfinder
BRAKE BOOSTER
PFP:47200
On-Vehicle Service
EFS0063Q
OPERATING CHECK
With engine stopped, change the vacuum to the atmospheric pres-
sure by depressing brake pedal several times. Then with brake
pedal fully depressed, start engine and when the vacuum pressure
reaches the standard, make sure the clearance between brake pedal
and floor panel decreases.
CAUTION:
Depressing pedal interval is approximately 5 seconds.
AIRTIGHT CHECK
●
Run engine at idle for approximately 1 minute, and stop it after
applying vacuum to booster. Depress brake pedal normally to
change the vacuum to the atmospheric pressure. Make sure dis-
tance between brake pedal and floor panel gradually increases.
●
Depress brake pedal while engine is running and stop engine
with pedal depressed. The pedal stroke should not change after
holding pedal down for 30 seconds.
CAUTION:
Depressing pedal interval is approximately 5 seconds.
BRA0037D
SBR365AA
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