Infiniti QX56 (Z62). Manual - part 122

BR-20

< REMOVAL AND INSTALLATION >

BRAKE PEDAL

REMOVAL AND INSTALLATION

BRAKE PEDAL

Exploded View

INFOID:0000000006222472

Removal and Installation

INFOID:0000000006222473

REMOVAL

CAUTION:

Never removing brake pedal stroke sensor. (With pre-crash seat belt)

1.

Remove the instrument lower panel LH. Refer to 

IP-14, "Removal and Installation"

.

2.

Disconnect the brake pedal stroke sensor harness connector. (With pre-crash seat belt)

3.

Disconnect the stop lamp switch harness connector and brake switch harness connector.

4.

Rotate the stop lamp switch and the brake switch counterclockwise to remove.

5.

Remove the snap pin, and then remove the clevis pin from the clevis of brake booster.

6.

Remove the brake pedal assembly.

CAUTION:

Hold the hydraulic booster assembly so as not to drop out or contact them other parts.

7.

Perform inspection after removal. Refer to 

BR-21, "Inspection and Adjustment"

.

INSTALLATION

Note the following, and install in the reverse order of removal.
• Apply the multi-purpose grease to the clevis pin and the matching faces.

1.

Brake pedal stroke sensor (with pre-
crash seat belt)

2.

Clevis pin

3.

Brake pedal assembly

4.

Brake pedal pad

5.

Clip

6.

Brake switch

7.

Stop lamp switch

8.

Snap pin

: Apply multi-purpose grease.

Refer to 

GI-4, "Components"

 for symbols not described on the above.

JPFIA0723GB

BRAKE PEDAL

BR-21

< REMOVAL AND INSTALLATION >

C

D

E

G

H

I

J

K

L

M

A

B

BR

N

O

P

• Install the brake pedal assembly and hydraulic booster assembly mounting nuts, and tighten it to the speci-

fied torque. Refer to 

BR-28, "Exploded View"

.

• Perform adjustment after installation. Refer to 

BR-21, "Inspection and Adjustment"

.

NOTE:
The clevis pin may be inserted in either direction.

Inspection and Adjustment

INFOID:0000000006222474

INSPECTION AFTER REMOVAL

• Check for the following items and replace the brake pedal assembly if necessary.
- Check the brake pedal upper rivet (made by aluminum) (B) for

deformation.

- Check the brake pedal for bend, damage, and cracks on the

welded parts.

- Check the lapping length (A) of sub-bracket (1) and slide plate (2).

• Check clevis pin and plastic stopper (A) for damage and deforma-

tion. If any is found, replace clevis pin.

ADJUSTMENT AFTER INSTALLATION

Perform the brake pedal adjustment after installing the brake pedal assembly. Refer to 

BR-7, "Inspection and

Adjustment"

.

A : 5.0 mm (0.197 in) or more

JPFIA0724ZZ

PFIA0756J

BR-22

< REMOVAL AND INSTALLATION >

BRAKE PIPING

BRAKE PIPING

FRONT

FRONT : Exploded View

INFOID:0000000006222475

1.

Brake tube

2.

Connector

3.

Connector bracket

4.

Hydraulic booster assembly

5.

Lock plate

6.

Brake hose bracket

7.

Copper washer

8.

Union bolt

9.

Brake hose

A.

To rear brake tube

Refer to 

GI-4, "Components"

 for symbols in the figure.

JPFIA0794GB

BRAKE PIPING

BR-23

< REMOVAL AND INSTALLATION >

C

D

E

G

H

I

J

K

L

M

A

B

BR

N

O

P

FRONT : Hydraulic Piping

INFOID:0000000006222476

FRONT : Removal and Installation

INFOID:0000000006222477

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 brake hose mounting nut.

6.

Remove the lock plate and remove the brake hose.

7.

Remove the brake hose bracket.

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.

Install the brake hose bracket.

2.

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

CAUTION:

1.

Front disc brake

2.

Connector

3.

Hydraulic booster assembly

4.

Rear disc brake

A.

Brake hose

B.

Brake tube

: Flare nut

: Union bolt

JPFIA0726ZZ