Nissan Quest E52. Manual - part 220

BR-24

< REMOVAL AND INSTALLATION >

BRAKE PIPING

REAR : Hydraulic Piping

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REAR : Removal and Installation

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REMOVAL

CAUTION:

• Never 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,
never wash them with water.

• Never depress the brake pedal while removing the brake hose or brake tube. If this is not complied

with, brake fluid may splash.

• If the brake fluid adheres to the brake caliper assembly and disc rotor, quickly wipe it off.

1.

Remove tires with power tool.

2.

Drain brake fluid. Refer to 

BR-10, "Draining"

.

3.

Loosen the flare nut (1) with a flare nut wrench (A) and separate
the brake tube (2) from the brake hose (3).

CAUTION:

• Never scratch the flare nut and the brake tube.
• Never bend sharply, twist or strongly pull out the brake

hoses and tubes.

• Cover open end of brake tubes and hoses when discon-

necting to prevent entrance of dirt.

1.

ABS actuator and electric unit (con-
trol unit)

2.

Front disc brake

3.

Master cylinder assembly

4.

Brake booster

5.

Connector

6.

Rear disc brake

A.

Brake tube

B.

Brake hose

: Flare nut

: Union bolt

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BRAKE PIPING

BR-25

< REMOVAL AND INSTALLATION >

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4.

Remove the union bolt (1) and copper washers (2), and remove
the brake hose (3) from the brake caliper assembly.

5.

Remove the lock plate (4), and remove brake hose.

INSTALLATION

CAUTION:

• Never 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,
never wash them with water.

• Never depress the brake pedal while removing the brake hose or brake tube. If this is not complied

with, brake fluid may splash.

• If the brake fluid adheres to the brake caliper assembly and disc rotor, quickly wipe it off.

1.

Assemble the union bolt (1) and the copper washer (2) to the
brake hose.

CAUTION:

Never reuse the copper washer.

2.

Align the brake hose L-pin (A) with the brake caliper assembly
hole (B), and tighten the union bolt to the specified torque.

3.

Install the brake tube (2) to the brake hose (1), temporarily
tighten the flare nut (3) by hand until it does not rotate further,
and fix the brake hose with the lock plate (4).

CAUTION:

Check that all brake hose and brake tube are not twisted
and bent.

4.

Tighten the flare nut to the specified torque with a crowfoot (A)
and torque wrench (B).

CAUTION:

Never scratch the flare nut and the brake tube.

5.

Perform the air bleeding. Refer to 

BR-11, "Bleeding Brake Sys-

tem"

.

6.

Install tires with power tool. Refer to 

WT-46, "Removal and

Installation"

.

7.

Perform inspection after installation. Refer to 

BR-25, "REAR :

Inspection"

.

REAR : Inspection

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INSPECTION AFTER INSTALLATION

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BR-26

< REMOVAL AND INSTALLATION >

BRAKE PIPING

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 the engine running. 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.

BRAKE MASTER CYLINDER

BR-27

< REMOVAL AND INSTALLATION >

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BRAKE MASTER CYLINDER

Exploded View

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Removal and Installation

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REMOVAL 

CAUTION:

• Never 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,
never wash them with water.

• Never depress the brake pedal while removing the brake tube. If this is not complied with, brake fluid

may splash.

1.

Perform inspection before removal. Refer to 

BR-30, "Inspection"

.

2.

Depress the brake pedal several times to release the vacuum pressure from the brake booster.

3.

Drain brake fluid. Refer to 

BR-10, "Draining"

.

4.

Disconnect the brake fluid level switch harness connector.

1.

Reservoir cap

2.

Reservoir tank

3.

Reservoir tank bracket

4.

Clamp

5.

Hose

6.

Bracket

7.

Clamp

8.

Cylinder body

9.

Pin

10.

O-ring

11.

Grommet

12.

Sub tank

A.

Paint mark

: Apply polyglycol ether based lubricant.

: Apply brake fluid.

: N·m (kg-m, ft-lb)

: N·m (kg-m, in-lb)

: Always replace after every disassembly.

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