Nissan Juke F15. Manual - part 672

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EXHAUST MANIFOLD AND TURBOCHARGER ASSEMBLY

EXHAUST MANIFOLD AND TURBOCHARGER ASSEMBLY

Exploded View

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1.

Exhaust temperature sensor (Up to 3/2015)
Not applicable (From 4/2015)

2.

Air fuel ratio sensor 1

3.

Gasket

4.

Exhaust manifold and turbocharger assembly 5.

Washer

6.

Exhaust manifold cover

7.

O-ring

8.

Oil outlet tube

9.

Clamp

10. Oil outlet hose

11. Oil outlet tube

12. Gasket

13. Water outlet tube

14. Gasket

15. Turbocharger inlet tube

16. Gasket

17

Turbocharger cover lower

18. Water inlet tube

EXHAUST MANIFOLD AND TURBOCHARGER ASSEMBLY

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Removal and Installation

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REMOVAL

1. Remove the catalyst converter.

• 2WD : Refer to 

EM-232, "2WD : Removal and Installation"

.

• AWD : Refer to 

EM-235, "AWD : Removal and Installation"

.

2. Refer to the following to remove the exhaust manifold and turbocharger assembly.
a. Remove the exhaust temperature sensor.
b. Remove A/F sensor 1.
c. Remove the EGR system assembly. Refer to 

EM-239, "Removal and Installation"

.

d. Remove the turbocharger cover upper
e. Disconnect the water tubes.

CAUTION:

Never bend the tubes.

f.

Disconnect the oil tubes.

CAUTION:

Never bend the tubes.

g. Remove the exhaust manifold cover.
h. Loosen the nuts in the reverse order of the numerical order

shown in the figure. Remove the exhaust manifold and turbo-

charger assembly.

NOTE:

During removal, bolts 9 - 12 do not have any effect.

3. Remove the gasket.
4. If necessary, disconnect the turbocharger inlet tube.

CAUTION:

• Block the openings with tape or an equivalent so that no foreign material enters the cylinder head.

• Never disassemble or adjust the exhaust manifold and turbocharger assembly. (Disassembly and

adjustment of this part is prohibited.)

INSTALLATION

19. Oil inlet tube

20. Bracket

21. Turbocharger cover upper

A.

To EGR valve

B.

To air duct

C.

To PCV hose

D.

To EGR differential pressure sensor

E.

To electric throttle control actuator

 : Always replace after every disassembly.

 : N·m (kg-m, ft-lb)

 : N·m (kg-m, in-lb)

,  ,  ,  : Indicates that the parts is connected at points with same symbols in actual vehicle.

: Engine front

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< UNIT DISASSEMBLY AND ASSEMBLY >

[MR EXCEPT FOR NISMO RS MODELS]

EXHAUST MANIFOLD AND TURBOCHARGER ASSEMBLY

1. Refer to the figure and install the gasket (1) to the cylinder head

(2).

2. Tighten nuts in the numerical order shown in the figure.

CAUTION:

Nuts 1, 4 - 8 do not have washers. Because 2 and 3 are nuts

with washers, be careful of the installation positions.

NOTE:

Nuts 9 - 12 indicate the second tightening.

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

CAUTION:

After the exhaust manifold and turbocharger assembly is replaced, perform fully-closed position

learning for the wastegate valve, and use CONSULT to individually check the functions of the tur-

bocharger system. Refer to 

EC-755, "Work Procedure"

 (fully-closed position learning for waste

gate valve) and 

EC-932, "Component Function Check"

 (individual function inspection).

Inspection

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INSPECTION PROCEDURE

Turbocharger Trouble Diagnosis [Oil Leakage, Smoke (white/blue), Lack of Power, Poor Acceleration, Unusual
Noise]

Check items before trouble diagnosis
1. Check that the engine oil amount is the specified level.
2. Interview the customer about whether the engine oil is cooled down by idling after driving.

Diagnosis

• Refer to the table below and check each of the parts.

• For the inspection methods, refer to "INSPECTION AFTER REMOVAL."

: Vehicle front

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: Engine front

 1, 4 - 12

: 27.5 N-m (2.8 kg-m, 20 ft-
lb)

 2, 3

: 33.4 N-m (3.4 kg-m, 25 ft-
lb)

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Inspection location

Check result

Symptoms likely to occur when the results shown on 

the left exist.

Oil leakage

Smoke

Noise

Low power

Poor accel-

eration

Turbine wheel

Oil is leaking.

Carbon deposits are observed.

There are marks from rubbing against 
housing.

Vane is bent or broken.

EXHAUST MANIFOLD AND TURBOCHARGER ASSEMBLY

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INSPECTION AFTER REMOVAL

Perform the following checks. If any adhering material is found, perform cleaning. If any irregularities are

found, or if the value is outside the standard, replace the exhaust manifold and turbocharger assembly.

• Refer to the figure for the names of parts and the locations for visual inspection.

• If the compressor wheel, turbine wheel, rotor shaft, or other internal part is damaged, check the following

paths and completely remove all fragments and other foreign material for preventing secondary malfunc-

tions.

Cleaning Work

NOTE:

The following explanatory figure shows an image of the inspection procedure. (The shapes in the figure do not

match the actual vehicle parts.)

• Clean before checking.

- Use engine conditioner (A) to clean the oil feed and return ports.

- Use radiator cleaner to clean the water feed and return ports.

• After cleaning, air-blow using an air gun (A).

• Air-blow the compressor wheel, turbine wheel, compressor hous-

ing, and turbine housing.

Compressor wheel

Inside of intake port is badly stained with 
oil.

There are marks from rubbing against 
housing.

Vane is bent or broken.

Rotor shaft

Heavy feel or catching when turned by 
hand.

Cannot be turned by hand.

Excessively loose bearing.

Oil return port

Carbon or sludge deposit in oil drain port.

: 

Highly possible.

: 

Possible.

: 

May exist.

Intake 
side:

From exhaust manifold and turbocharger assembly to charge air cooler
From exhaust manifold and turbocharger assembly to air cleaner

Ex-
haust 
side:

From exhaust manifold and turbocharger assembly to catalyst converter

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