Nissan Leaf. Manual — part 297

BRAKE PIPING

BR-509

< REMOVAL AND INSTALLATION >

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. Install the brake tube B and brake tube A to the brake hose

B , temporarily tighten the flare nut by hand until it does not

rotate further, and fix the brake hose B 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.

6. 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.

7. Refill with new brake fluid and perform the air bleeding. Refer to

BR-494, "Bleeding Brake System"

CAUTION:

Do not reuse drained brake fluid.

8. Install wheel and tire. Refer to

WT-45, "Removal and Installa-

tion"

9. Perform inspection after installation. Refer to

BR-509, "REAR :

Inspection"

REAR : Inspection

INFOID:0000000010123137

INSPECTION AFTER INSTALLATION

1. Check the brake hoses and tubes for the following: no scratches; no twist and deformation; 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.

JPFIA0001ZZ

JSFIA1065ZZ

JPFIA0001ZZ

BR-510

< REMOVAL AND INSTALLATION >

ELECTRICALLY-DRIVEN INTELLIGENT BRAKE UNIT

ELECTRICALLY-DRIVEN INTELLIGENT BRAKE UNIT

Exploded View

INFOID:0000000010123138

Removal and installation

INFOID:0000000010123139

REMOVAL

CAUTION:

• Do not disassemble the electrically-driven intelligent brake unit.

• 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 tube. If this is not complied with, brake fluid

may splash.

NOTE:

When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spill-

ing.
1. Perform inspection before removal. Refer to

BR-512, "Inspection and Adjustment"

2. Turn the power switch OFF to exit CONSULT.
3. Close all doors (including back door), check that the room lamp is OFF, get out of the vehicle, and wait for

3 minutes or more with all doors closed.

CAUTION:

Do not operate the vehicle and CONSULT while waiting.

4. Remove 12V battery. Refer to

PG-89, "Removal and Installation"

5. Move the fuse box.
6. Drain brake fluid. Refer to

BR-493, "Draining"

7. Remove cowl top cover. Refer to

EXT-19, "Removal and Installation"

8. Remove wiper drive assembly. Refer to

WW-54, "Removal and Installation"

9. Remove cowl top extension. Refer to

EXT-19, "Removal and Installation"

10. Disconnect the brake fluid level switch harness connector.

Reservoir cap

Oil strainer

Electrically-driven intelligent brake
unit

Master cylinder pressure sensor

Lock nut

Clevis

Gasket

Spacer

: N·m (kg-m, ft-lb)

JSFIA1844GB

ELECTRICALLY-DRIVEN INTELLIGENT BRAKE UNIT

BR-511

< REMOVAL AND INSTALLATION >

11. Disconnect the master cylinder pressure sensor harness connector.
12. Separate the brake tube from electrically-driven intelligent

brake unit with a flare nut wrench (A).

CAUTION:

Do not scratch the flare nut and the brake tube.

13. Remove snap pin and clevis pin . Refer to

BR-500,

"Removal and Installation"

14. Disconnect electrically-driven intelligent brake unit harness connector, follow the procedure described

below.

a. Pull the lever of electrically-driven intelligent brake unit har-

ness connector in the direction .

b. Disconnect electrically-driven intelligent brake unit harness con-

nector .

15. Remove nuts on electrically-driven intelligent brake unit and

brake pedal assembly.

CAUTION:

To prevent damage to the parts, hold the electrically-driven

intelligent brake unit so as to avoid dropping out.

16. Remove electrically-driven intelligent brake unit.

CAUTION:

Do not deform or bend the brake tubes.

17. Remove master cylinder pressure sensor.
18. Remove spacer and gasket from electrically-driven intelligent brake unit.
19. Perform inspection after removal. Refer to

BR-512, "Inspection and Adjustment"

INSTALLATION

Note the following, and install in the reverse order of removal.

CAUTION:

JSFIA1679ZZ

JPFIA0019ZZ

JSFIA1680ZZ

JSFIA1681ZZ