Nissan Juke F15. Manual - part 96

BR-44

< REMOVAL AND INSTALLATION >

BRAKE BOOSTER

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

BR-9, "Inspection and

Adjustment"

.

VACUUM LINES

BR-45

< REMOVAL AND INSTALLATION >

C

D

E

G

H

I

J

K

L

M

A

B

BR

N

O

P

VACUUM LINES

Exploded View

INFOID:0000000012200294

EXCEPT NISMO RS

NISMO RS

1.

Vacuum piping A

2.

Clamp

3.

Vacuum hose A

4.

Vacuum piping B

5.

Vacuum hose (built-in check valve)

6.

Vacuum hose B

A.

Paint mark

B.

To engine side

C.

Stamp indicating engine direction

D.

To brake booster

: N·m (kg-m, in-lb)

JSFIA2856GB

BR-46

< REMOVAL AND INSTALLATION >

VACUUM LINES

Removal and Installation

INFOID:0000000012200295

REMOVAL

1. Remove air duct and air cleaner case. Refer to 

EM-27, "Removal and Installation"

.

2. Remove the vacuum hose and vacuum piping.
3. Perform inspection after removal. Refer to 

BR-47, "Inspection"

.

INSTALLATION

Except NISMO RS

Note the following, install the vacuum hose.

• When installing vacuum hose, insert it until its tip reaches the

back-end of length (A) or further as shown in the figure.

CAUTION:

Never use lubricating oil during assembly.

- Face the paint mark of vacuum hose [built-in check valve (engine

side)] to the vehicle front side to assemble.

- Face the paint mark of vacuum hose B to the vehicle front side to

assemble.

- Face the paint mark of vacuum piping A (brake booster side) to the

vehicle front side to assemble.

- Face the other paint marks to the vehicle upward to assemble.

- For clamp mounting direction (the orientation of pawl), refer to 

BR-45, "Exploded View"

.

1.

Vacuum piping A

2.

Clamp

3.

Vacuum hose A

4.

Vacuum piping B

5.

Vacuum hose (built-in check valve)

6.

Vacuum hose B

A.

Paint mark

B.

To engine side

C.

Stamp indicating engine direction

D.

To brake booster

: N·m (kg-m, in-lb)

JSFIA2910GB

A

: 24 mm (0.95 in) or more

JPFIA0023ZZ

VACUUM LINES

BR-47

< REMOVAL AND INSTALLATION >

C

D

E

G

H

I

J

K

L

M

A

B

BR

N

O

P

NISMO RS

Note the following, install the vacuum hose.

• When installing vacuum hose, insert it until its tip reaches the

back-end of length (A) or further as shown in the figure.

CAUTION:

Never use lubricating oil during assembly.

- Face the paint mark of vacuum hose A (engine side) to the vehicle

upward to assemble.

- Face the paint mark of vacuum piping B to the vehicle upward to

assemble.

- Face the paint mark of vacuum hose [built-in check valve (brake

booster side)] to the vehicle upward to assemble.

- Face the paint mark of vacuum piping A (brake booster side) to the vehicle down to assemble.

- Face the paint mark of vacuum hose B (engine side) to the vehicle down to assemble.

- Face the other paint marks to the vehicle front side to assemble.

- For clamp mounting direction (the orientation of pawl), refer to 

BR-45, "Exploded View"

.

Inspection

INFOID:0000000012200296

INSPECTION AFTER REMOVAL

Appearance

Check for correct assembly, damage and deterioration.

Check Valve Airtightness

• Use a handy vacuum pump (A) to check.

• Replace vacuum hose if vacuum hose is malfunctioning.

A

: 24 mm (0.95 in) or more

JPFIA0023ZZ

When connected to the booster side (B):

Vacuum should decrease within 1.3 kPa (9.8 mmHg, 
0.38 inHg) for 15 seconds under a vacuum of 

−66.7 

kPa (

−500 mmHg, −19.70 inHg).

When connected to the engine side (C):

Vacuum should not exist.

JPFIA0024ZZ