Nissan Qashqai J11. Manual - part 24

 

  Index      Nissan     Nissan Qashqai J11 - Service and Repair Manual

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  22  23  24  25   ..

 

 

Nissan Qashqai J11. Manual - part 24

 

 

TURBOCHARGER

EM-35

< REMOVAL AND INSTALLATION >

[HRA2DDT]

C

D

E

F

G

H

I

J

K

L

M

A

EM

N

P

O

• Replace the exhaust manifold and turbocharger assembly when any malfunction is found after unit

inspections specified in the table below.

• If no malfunction is found after the unit inspections, judge that the turbocharger body has no non-stan-

dard conditions. Check the other parts again.

INSPECTION AFTER REMOVAL

Turbocharger

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.

EM-36

< REMOVAL AND INSTALLATION >

[HRA2DDT]

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 AFTER INSTALLATION

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

E1BIA1029ZZ

A.

Check for leakage

Suction side

: Between turbocharger and charge air cooler

Exhaust side

: Between turbocharger and outlet duct

EXHAUST MANIFOLD

EM-37

< REMOVAL AND INSTALLATION >

[HRA2DDT]

C

D

E

F

G

H

I

J

K

L

M

A

EM

N

P

O

EXHAUST MANIFOLD

Exploded View

INFOID:0000000010282217

Refer to 

GI-4, "Components"

 for symbols in the figure.

Removal and Installation

INFOID:0000000010282218

REMOVAL

NOTE:
• Exhaust manifold and turbocharger are assembled in one part. Refer to 

EM-33, "Removal and Installation"

for removal.

INSTALLATION

NOTE:
• Exhaust manifold and turbocharger are assembled in one part. Refer to 

EM-33, "Removal and Installation"

for installation.

Inspection

INFOID:0000000010282219

INSPECTION AFTER REMOVAL

NOTE:
• Exhaust manifold and turbocharger are assembled in one part. Refer to 

EM-33, "Removal and Installation"

for inspection.

E1BIA1010GB

1.

Cylinder head

2.

Exhaust manifold gasket 

3.

Exhaust manifold and turbocharg-
er assembly

4.

Exhaust manifold heat insulator

EM-38

< REMOVAL AND INSTALLATION >

[HRA2DDT]

HIGH PRESSURE FUEL PUMP AND FUEL HOSE

HIGH PRESSURE FUEL PUMP AND FUEL HOSE

Exploded View

INFOID:0000000010287264

CAUTION:

Never remove or disassemble parts unless instructed as shown in the figure.

Refer to 

GI-4, "Components"

 for symbol marks in the figure.

Removal and Installation

INFOID:0000000010287265

REMOVAL

WARNING:

• Be sure to read 

FL-3, "General Precautions"

 when working on the high pressure fuel system.

• Put a “CAUTION: FLAMMABLE” sign in the workshop.
• Be sure to work in a well ventilated area and furnish workshop with a CO

fire extinguisher.

• Never smoke while servicing fuel system. Keep open flames and sparks away from the work area.
• To avoid the danger of being scalded, never drain engine coolant when engine is hot.

1.

Remove electric blow off valve. Refer to 

EM-27, "Removal and Installation"

.

2.

Release fuel pressure.

3.

Disconnect fuel feed hose quick connector with the following procedure. Disconnect fuel feed hose from
high pressure fuel pump.

1.

High pressure fuel pump

2.

High pressure fuel pipe

3.

High pressure fuel rail

4.

High pressure fuel pump O-ring

5.

High pressure fuel pump lifter

E1BIA1220GB

 

 

 

 

 

 

 

Content   ..  22  23  24  25   ..