Nissan Juke F15. Manual - part 622

 

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Nissan Juke F15. Manual - part 622

 

 

EM-42

< REMOVAL AND INSTALLATION >

[MR FOR NISMO RS MODELS]

TURBOCHARGER

INSPECTION AFTER REMOVAL

Turbocharger

Turbocharger

CAUTION:

When the compressor wheel, turbine wheel or rotor shaft is damaged, remove all the fragments and

foreign matter left in the following passages in order to prevent a secondary failure:

Inspection Location

Result

Symptoms likely to occur when the results shown on 

the left exist.

Oil leakage

Smoke

Noise

Poor pow-

er

Poor ac-

celeration

Turbine wheel

Wet with oil.

C

A

C

C

Carbon deposits observed.

C

A

B

B

“Rubs against” housing.

C

B

A

B

Vane is bent or broken.

A

A

Compressor wheel

Inside of intake port is badly stained 
with oil.

B

B

“Rubs against” housing.

C

B

A

B

Vane is bent or broken.

A

A

Check both turbine and compres-
sor rotor shaft end play.

Heavy feel or catching when turned by 
hand.

C

C

B

Cannot be turned by hand.

A

Excessively loose bearing.

C

C

B

C

Rotor shaft, oil return port (Check 
inside using penlight.)

Carbon or sludge deposits in oil drain 
port.

C

A

C

C

Boost control valve actuator oper-
ation (using a handy pump)

• Does not operate smoothly when air 

pressure is gradually applied.

• Stroke amount is not compliance 

with the air pressure.

A

A: Highly 

possible.

B: Possible.

C: May 

exist.

JPBIA4359ZZ

A.

Check for leakage

TURBOCHARGER

EM-43

< REMOVAL AND INSTALLATION >

[MR FOR NISMO RS MODELS]

C

D

E

F

G

H

I

J

K

L

M

A

EM

N

P

O

Turbocharger Boost Control

• Connect the a pressurized handy pump (A) to the actuator, and

check that the rod strokes smoothly in compliance with the follow-

ing pressure.

INSPECTION AFTER INSTALLATION

Start engine and raise engine speed to check no exhaust emission leaks.

Suction side

: Between turbocharger and charge air cooler

Exhaust side

: Between turbocharger and outlet duct

Standard (value of pressure/Value of rod moving): 

Refer to 

EM-140, "Turbocharger"

.

JPBIA0665ZZ

EM-44

< REMOVAL AND INSTALLATION >

[MR FOR NISMO RS MODELS]

EXHAUST MANIFOLD

EXHAUST MANIFOLD

Exploded View

INFOID:0000000012197268

Removal and Installation

INFOID:0000000012197269

REMOVAL

1. Remove turbocharger. Refer to 

EM-40, "Exploded View"

.

2. Remove exhaust manifold. 

• Loosen nuts in reverse order as shown in the figure.

NOTE:

Disregard the numerical order No. 9 to 12 in removal.

3. Remove gasket.

CAUTION:

Cover engine openings to avoid entry of foreign materials.

INSTALLATION

JSBIA1975GB

1.

Stud bolt

2.

Exhaust manifold cover

3.

Exhaust manifold

4.

Gasket
Engine front

 : N·m (kg-m, ft-lb)

 : N·m (kg-m, in-lb)

 : Always replace after every disassembly.

: Engine front

JPBIA4360ZZ

EXHAUST MANIFOLD

EM-45

< REMOVAL AND INSTALLATION >

[MR FOR NISMO RS MODELS]

C

D

E

F

G

H

I

J

K

L

M

A

EM

N

P

O

1. Install gasket to cylinder head as shown in the figure.

2. Install exhaust manifold with the following procedure: 
a. Tighten nuts in numerical order as shown in the figure.

NOTE:

• Tighten nuts the No.1 to No.4 in two steps.

• The numerical order No.9 to No.12 shows the second step.

3. Install remaining parts in the reverse order of removal.

Inspection

INFOID:0000000012197270

INSPECTION AFTER REMOVAL

Surface Distortion

• Using feeler gauge (A) and straightedge (B), check the surface dis-

tortion of exhaust manifold mating surface in each exhaust port

and entire part.

• If it exceeds the limit, replace exhaust manifold.

: Engine front

JPBIA4361ZZ

: Engine front

JPBIA4360ZZ

Limit

: Refer to 

EM-140, "Exhaust Manifold"

.

JPBIA4363ZZ

 

 

 

 

 

 

 

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