Nissan Qashqai J11. Manual - part 113

TURBOCHARGER

EM-391

< REMOVAL AND INSTALLATION >

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3.

Remove air duct assembly. Refer to 

EM-380, "Exploded View"

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4.

Remove cowl top cover and extension cowl top. Refer to 

EXT-29, "Removal and Installation"

.

5.

Disconnect vacuum hose from turbocharger.

6.

Remove exhaust front tube. Refer to 

EX-22, "Removal and Installation"

.

7.

Remove diesel particle filter. Refer to 

EX-24, "Removal and installation"

 .

8.

Remove oil tube from turbocharger.

9.

Remove exhaust gas temperature sensor. Refer to 

EX-27, "EXHAUST GAS TEMPERATURE SENSOR

ON THE EXHAUST GAS COOLER : Removal and installation"

.

10. Remove exhaust gas pressure sensor and exhaust gas pressure tube assembly. Refer to 

EX-29,

"Removal and installation"

.

CAUTION:

Be careful not to impact or damage exhaust gas pressure sensor.

11. Remove turbocharger from exhaust manifold.

CAUTION:

Never disassemble or adjust the turbocharger body.

INSTALLATION

Note the following and install in the reverse order of removal.

CAUTION:

• Clean each joint surface before installation.
• Replace turbocharger stud if loosened.

1.

Install turbocharger.
• Tighten the mounting nuts in two steps separately.

Inspection

INFOID:0000000010281984

INSPECTION AFTER REMOVAL

Turbocharger

Check there is no leakage on the different side of the turbocharger (exhaust gas and oil) 

 : 9 N·m ( 0.9 kg-m, 80 in-lb) 

1st step: 15.0 N·m (1.5 kg-m, 11 ft-lb)

 2nd step: 25.0 N·m (2.6 kg-m, 18 ft-lb)

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EM-392

< REMOVAL AND INSTALLATION >

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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 malfunction:

Turbocharger Boost Control

• Connect the handy vacuum pump (A) to the actuator, and check

that the rod strokes smoothly in compliance with the following
pressure.

INSPECTION AFTER INSTALLATION

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

Suction side:

Between turbocharger and air cleaner

Between turbocharger and charge air cleaner

Exhaust side:

Between turbocharger and diesel particle filter

Between turbocharger and exhaust manifold

Standard (value of vacuum/value of rod moving): 

Refer to 

EM-473, "Turbocharger"

.

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EXHAUST MANIFOLD

EM-393

< REMOVAL AND INSTALLATION >

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EXHAUST MANIFOLD

Exploded View

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Removal and Installation

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REMOVAL

1.

Disconnect battery negative terminal.

2.

Remove diesel particle filter. Refer to 

EX-24, "Removal and installation"

.

3.

Remove turbocharger. Refer to 

EM-390, "Removal and Installation"

.

4.

Remove air cleaner case. Refer to 

EM-380, "Removal and Installation"

.

5.

Remove exhaust gas pressure sensor. Refer to 

EX-29, "Removal and installation"

6.

Remove exhaust gas temperature sensor. Refer to 

EX-27, "EXHAUST GAS TEMPERATURE SENSOR

ON THE EXHAUST GAS COOLER : Removal and installation"

7.

Remove exhaust manifold.

1.

Exhaust manifold gasket

2.

Exhaust manifold

3.

Exhaust manifold heat shield gasket 

4.

Cylinder head

A.

Refer to 

EM-393, "Removal and In-

stallation"

B.

Refer to 

EM-393, "Removal and In-

stallation"

C.

Refer to 

EM-393, "Removal and In-

stallation"

Refer to 

GI-4, "Components"

 for symbols in the figure.

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EM-394

< REMOVAL AND INSTALLATION >

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EXHAUST MANIFOLD

• Loosen mounting nuts in the reverse order as shown in the fig-

ure.

8.

Remove gasket.

CAUTION:

• Cover engine openings to avoid entry of foreign materials.

INSTALLATION

Note the following, and install in the reverse order of removal.

CAUTION:

• Clean each joint surface before installation.
• Replace exhaust manifold stud if loosened.

1.

Install gasket to cylinder head as shown in the figure.

2.

Install exhaust manifold.
• Tighten the mounting nuts in two steps separately in numerical

order as shown in the figure.

3.

Install in the reverse order of removal, for the rest of parts.

Inspection

INFOID:0000000010281987

INSPECTION AFTER REMOVAL

Surface Distortion

• Check the surface distortion of the exhaust manifold mating surface with a straightedge and a feeler gauge.

: Engine front

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 : 9 N·m ( 0.9 kg-m, 80 in-lb) 

: Engine front

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: Engine front

1st step: 15.0 N·m (1.5 kg-m, 11 ft-lb)

 2nd step: 30.0 N·m (3.1 kg-m, 22 ft-lb)

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Standard

: Refer to 

EM-472, "Exhaust Manifold"

.