Infiniti QX56 (Z62). Manual - part 123

 

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Infiniti QX56 (Z62). Manual - part 123

 

 

BR-24

< REMOVAL AND INSTALLATION >

BRAKE PIPING

Never reuse the copper washer.

3.

Install the brake hose L-pin by aligning it with the brake caliper
assembly positioning hole, and tighten the union bolt (1) to the
specified torque.

4.

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:

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

5.

Tighten the flare nut to the specified torque with a crowfoot and
torque wrench.

CAUTION:

Never scratch the flare nut and the brake tube.

6.

Tighten the brake hose mounting nuts to the specified torque.

CAUTION:

Never reuse the brake hose mounting nuts.

7.

Perform the air bleeding. Refer to 

BR-11, "Bleeding Brake System"

.

8.

Install tires with power tool. Refer to 

WT-64, "Exploded View"

.

9.

Perform inspection after installation. Refer to 

BR-24, "FRONT : Inspection"

.

FRONT : Inspection

INFOID:0000000006222478

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 approx. 5 sec-
onds 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.

REAR

JPFIA0012ZZ

BRAKE PIPING

BR-25

< REMOVAL AND INSTALLATION >

C

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REAR : Exploded View

INFOID:0000000006222479

REAR : Hydraulic Piping

INFOID:0000000006222480

1.

Brake tube

2.

Lock plate

3.

Brake hose

4.

Union bolt

5.

Copper washer

A.

To connector

Refer to 

GI-4, "Components"

 for symbols in the figure.

JPFIA0795GB

JPFIA0726ZZ

BR-26

< REMOVAL AND INSTALLATION >

BRAKE PIPING

REAR : Removal and Installation

INFOID:0000000006222481

REMOVAL

CAUTION:

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

• Never depress the brake pedal. Brake fluid may splash while removing the brake hose or brake tube.

1.

Remove tires with power tool.

2.

Drain brake fluid. Refer to 

BR-10, "Draining"

.

3.

Loosen the flare nut with a flare nut wrench and separate the brake tube and the brake hose.

CAUTION:

• Never scratch the flare nut and the brake tube.
• Never bend sharply, twist or strongly pull out the brake hose or brake tube.
• Cover open end of brake hose or brake tube when disconnecting to prevent entrance of dirt.

4.

Remove the union bolt and copper washers, and remove the brake hose from the brake caliper assembly.

5.

Remove the lock plate and remove the brake hose.

INSTALLATION

CAUTION:

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

• Never depress the brake pedal. Brake fluid may splash while removing the brake hose or brake tube.

1.

Assemble the union bolt and the copper washers to the brake hose.

CAUTION:

Never reuse the copper washer.

2.

Align the brake hose pin to the projection (A) of the brake caliper
assembly and tighten the union bolt (1) 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:

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

4.

Tighten the flare nut to the specified torque with a crowfoot and
torque wrench.

CAUTION:

Never scratch the flare nut and the brake tube.

5.

Perform the air bleeding. Refer to 

BR-11, "Bleeding Brake System"

.

6.

Install tires with power tool. Refer to 

WT-64, "Exploded View"

.

7.

Perform inspection after installation. Refer to 

BR-26, "REAR : Inspection"

.

REAR : Inspection

INFOID:0000000006222482

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.

1.

Front disc brake

2.

Connector

3.

Hydraulic booster assembly

4.

Rear disc brake

A.

Brake hose

B.

Brake tube

: Flare nut

: Union bolt

JPFIA0099ZZ

BRAKE PIPING

BR-27

< REMOVAL AND INSTALLATION >

C

D

E

G

H

I

J

K

L

M

A

B

BR

N

O

P

2.

Depress the brake pedal with a force of 785 N (80 kg, 176 lb) and hold down the pedal for approx. 5 sec-
onds 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.

 

 

 

 

 

 

 

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