Nissan Leaf. Instruction — part 296
BRAKE PIPING
BR-505
< REMOVAL AND INSTALLATION >
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4. Remove the union bolt and copper sealing washers , and
remove the brake hose from the brake caliper assembly.
5. Remove the lock plate and remove the brake hose.
INSTALLATION
CAUTION:
• Do not spill or splash brake fluid on painted surfaces. Brake fluid may seriously damage paint. Wipe
it off immediately and wash with water if it gets on a painted surface. For brake component parts, do
not wash them with water.
• Do not depress brake pedal. While removing the brake hose or brake tube. If this is not complied
with, brake fluid may splash.
• If the brake fluid or grease adheres to the disc rotor, quickly wipe it off.
1. Assemble the union bolt and the copper sealing washers
to the brake hose.
CAUTION:
Do not reuse copper sealing washers.
2. Align the brake hose pin with the brake caliper assembly pro-
jection , and tighten the union bolt to the specified torque.
3. Install the brake tube to the brake hose , temporarily tighten
the flare nut by hand until it does not rotate further, and fix the
brake hose to the bracket with the lock plate .
CAUTION:
To prevent leakage of brake fluid, check that all brake hoses
and brake tubes are not twisted and bent.
4. Tighten the flare nut to the specified torque with a crowfoot (A)
and torque wrench (B).
CAUTION:
Do not scratch the flare nut and the brake tube.
5. Refill with new brake fluid and perform the air bleeding. Refer to
BR-494, "Bleeding Brake System"
.
CAUTION:
Do not reuse drained brake fluid.
6. Install wheel and tire. Refer to
7. Perform inspection after installation. Refer to
.
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BR-506
< REMOVAL AND INSTALLATION >
BRAKE PIPING
FRONT : Inspection
INFOID:0000000010123133
INSPECTION AFTER INSTALLATION
1. Check the brake hoses and tubes for the following: no scratches; no twist and deformation; no interfer-
ence with other components when steering the steering wheel; no looseness at connections.
2. Depress the brake pedal with a force of 785 N (80 kg, 176 lb) and hold down the pedal for approximately
5 seconds with set the vehicle to READY. Check for any fluid leakage.
CAUTION:
Retighten the applicable connection to the specified torque and repair any abnormal (damaged,
worn or deformed) part if any brake fluid leakage is present.
REAR
REAR : Exploded View
INFOID:0000000010123134
Union bolt
Brake hose A
Lock plate
Copper sealing washer
Brake tube A
Brake hose B
Brake tube B
To connector
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BRAKE PIPING
BR-507
< REMOVAL AND INSTALLATION >
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REAR : Hydraulic Piping
INFOID:0000000010123135
REAR : Removal and Installation
INFOID:0000000010123136
REMOVAL
CAUTION:
• Do not spill or splash brake fluid on painted surfaces. Brake fluid may seriously damage paint. Wipe
it off immediately and wash with water if it gets on a painted surface. For brake component parts, do
not wash them with water.
• Do not depress brake pedal. While removing the brake hose or brake tube. If this is not complied
with, brake fluid may splash.
• If the brake fluid or grease adheres to the disc rotor, quickly wipe it off.
NOTE:
When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spill-
ing.
1. Remove wheel and tire using power tool. Refer to
WT-45, "Removal and Installation"
2. Drain brake fluid. Refer to
3. Loosen the flare nut with a flare nut wrench (A) and separate
the brake tube B and brake tube A from the hose B .
CAUTION:
• Do not scratch the flare nut and the brake tube.
• Do not bend sharply, twist or strongly pull out the brake
hoses and tubes.
• To prevent the inclusion of foreign matter, cover open end
of brake tubes and hoses when disconnecting to prevent
entrance of dirt.
4. Remove the lock plate and remove the brake hose B.
ABS actuator and electric unit (con-
trol unit)
Front disc brake
Electrically-driven intelligent brake
unit
Connector
Rear disc brake
Brake tube
Brake hose
: Flare nut
: Union bolt
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BR-508
< REMOVAL AND INSTALLATION >
BRAKE PIPING
5. Loosen the flare nut with a flare nut wrench (A) and separate
the brake tube A from the hose A .
CAUTION:
• Do not scratch the flare nut and the brake tube.
• Do not bend sharply, twist or strongly pull out the brake
hoses and tubes.
• To prevent the inclusion of foreign matter, cover open end
of brake tubes and hoses when disconnecting to prevent
entrance of dirt.
6. Remove the lock plate , and remove brake hose A from brake
hose bracket .
7. Remove the union bolt and copper sealing washers , and
remove the brake hose A from the brake caliper assembly.
INSTALLATION
CAUTION:
• Do not spill or splash brake fluid on painted surfaces. Brake fluid may seriously damage paint. Wipe
it off immediately and wash with water if it gets on a painted surface. For brake component parts, do
not wash them with water.
• Do not depress brake pedal. While removing the brake hose or brake tube. If this is not complied
with, brake fluid may splash.
• If the brake fluid or grease adheres to the disc rotor, quickly wipe it off.
1. Assemble the union bolt and the copper sealing washers
to the brake hose A.
CAUTION:
Do not reuse the copper sealing washers.
2. Align the brake hose B L-pin with the brake caliper assembly
hole , and tighten the union bolt to the specified torque.
3. Install the brake tube A to the brake hose A , temporarily
tighten the flare nut by hand until it does not rotate further,
and fix the brake hose A to the brake hose bracket with the
lock plate .
CAUTION:
To prevent leakage of brake fluid, check that all brake hoses
and brake tubes are not twisted and bent.
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