Nissan Pathfinder (2005 year). Instruction — part 112
BRAKE PEDAL
BR-9
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BR
2005 Pathfinder
3.
Disconnect the adjustable brake pedal cable from the adjustable
pedal.
●
Release the two lock tabs, then pull the adjustable brake
pedal cable to disconnect it from the adjustable brake pedal.
4.
Remove snap pin and clevis pin from the clevis of the brake booster.
5.
Remove mounting nuts and the pedal assembly.
●
Temporarily install the nuts by hand to support the booster.
CAUTION:
●
Before removal and installation the accelerator and brake pedals must be in the frontmost posi-
tion (closest to the floor). This is to align the base position of the accelerator and brake pedals.
●
Do not disassemble the brake pedal adjusting mechanism.
●
Avoid damage from dropping the brake pedal assembly during handling.
●
Keep the brake pedal assembly away from water.
REMOVAL FOR NON-ADJUSTABLE BRAKE PEDAL
WARNING:
Do not deform the brake tube.
CAUTION:
●
Do not disassemble the brake pedal assembly.
●
Avoid damage from dropping the brake pedal assembly during handling.
●
Keep the brake pedal assembly away from water.
1.
Remove the lower driver instrument panel. Refer to
IP-10, "Removal and Installation"
.
2.
Remove the stop lamp switch and ASCD switch from the pedal assembly.
3.
Remove snap pin and clevis pin from the clevis of the brake booster.
4.
Remove mounting nuts and the pedal assembly.
●
Temporarily install the nuts by hand to support the booster.
INSPECTION AFTER REMOVAL
Check brake pedal for following items.
●
Crack or deformation of clevis pin stopper
●
Clevis pin deformation
●
Crack of any welded portion
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Brake pedal bend
INSTALLATION
1.
Installation is in the reverse order of removal.
●
Check the brake pedal for smooth operation. There should be no binding or sticking when applying or
releasing the brake pedal.
●
On models equipped with adjustable brake pedal, check the adjustable feature for smooth operation.
There should be no binding or sticking when adjusting the brake pedal forward and backward.
LFIA0233E
SBR997
BR-10
BRAKE PEDAL
2005 Pathfinder
●
After installing the brake pedal assembly in the vehicle, be sure to adjust it. Refer to
.
BRAKE FLUID
BR-11
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2005 Pathfinder
BRAKE FLUID
PFP:KN100
On-board Inspection
EFS004I2
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
EFS004I3
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 actuator connector or 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
2005 Pathfinder
Bleeding Brake System
EFS004I4
CAUTION:
While bleeding, monitor the master cylinder brake fluid level.
1.
Turn ignition switch OFF and disconnect ABS actuator and electric unit (control unit) connector or 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),
(rear 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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2005 Pathfinder
BRAKE PIPING AND HOSE
PFP:46210
Hydraulic Circuit
EFS004I5
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
EFS004I6
REMOVAL
1.
Drain brake fluid. Refer to
.
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
2005 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
EFS004I7
REMOVAL
1.
Drain brake fluid. Refer to
.
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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2005 Pathfinder
Inspection After Installation
EFS004I8
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, 177 lb) with engine running for approximately
5 seconds, check for fluid leaks from each part.
BR-16
BRAKE MASTER CYLINDER
2005 Pathfinder
BRAKE MASTER CYLINDER
PFP:46010
On-board Inspection
EFS004I9
LEAK INSPECTION
●
Check for leaks at master cylinder to brake booster attachment point, reservoir tank, and brake tube con-
nections.
Removal and Installation
EFS004IA
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.
LFIA0240E
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
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