Nissan Qashqai J11. Manual — part 113
TURBOCHARGER
EM-391
< REMOVAL AND INSTALLATION >
[R9M]
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3.
Remove air duct assembly. Refer to
.
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
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)
E1BIA0653ZZ
EM-392
< REMOVAL AND INSTALLATION >
[R9M]
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):
JPBIA0665ZZ
EXHAUST MANIFOLD
EM-393
< REMOVAL AND INSTALLATION >
[R9M]
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EXHAUST MANIFOLD
Exploded View
INFOID:0000000010281985
Removal and Installation
INFOID:0000000010281986
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.
B.
Refer to
C.
Refer to
E1BIA1205GB
EM-394
< REMOVAL AND INSTALLATION >
[R9M]
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
E1BIA0581ZZ
: 9 N·m ( 0.9 kg-m, 80 in-lb)
: Engine front
E1BIA0583ZZ
: 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)
E1BIA0581ZZ
Standard
: Refer to
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