Nissan Qashqai J11. Manual — part 584
EX-16
< REMOVAL AND INSTALLATION >
[K9K]
EXHAUST SYSTEM
3.
Disconnect exhaust throttle valve connector.
4.
Unclip and move aside exhaust throttle valve harness.
5.
Remove front tube.
INSTALLATION
Note the following, and install in the reverse order of removal.
Exhaust Front Tube and Main Muffler
1.
When replacing the Exhaust electric throttle control actuator, this procedure must be performed. Refer to
ECK-130, "Special Repair Requirement List"
CAUTION:
• Always replace exhaust gaskets with new ones when reassembling.
• If the insulator is badly deformed, repair or replace it. If deposits such as mud pile up on the insula-
tor, remove them.
• When installing the insulator avoid large gaps or interference between the insulator and each
exhaust pipe.
• Remove deposits from the sealing surface of each connection. Connect them securely to avoid gas
leakage.
• If it is difficult to install mounting rubber, use mild detergent for smooth installation.
• When installing each mounting rubber, avoid twisting or unusual extension in up/down and right/left
directions.
• Temporarily tighten mounting nuts. Check each part for unusual interference, and then tighten them
to the specified torque.
Inspection
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INSPECTION AFTER INSTALLATION
• With the engine running, check exhaust tube joints for gas leakage and unusual noises.
• Check to ensure that mounting brackets and mounting insulators are installed properly and free from undue
stress. Improper installation could result in excessive noise and vibration.
PARTICLE FILTER
EX-17
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PARTICLE FILTER
Exploded View
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Removal and Installation
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CAUTION:
• Be sure to use genuine exhaust system parts or equivalents which are specially designed for heat
resistance, corrosion resistance and shape.
• Perform the operation with the exhaust system fully cooled down because the system is still hot just
after the engine stops.
• Be careful not to cut your hand on the insulator edge.
REMOVAL
1.
Remove exhaust front tube. Refer to
.
2.
Remove front suspension member. Refer to
FSU-21, "Removal and Installation"
3.
Unclip and move aside:
• exhaust gas temperature sensor harness. Refer to
.
• DPF temperature sensor harness. Refer to
1.
DPF pressure sensor bracket
2.
Clamp
3.
Hose
4.
Turbocharger
5.
DPF temperature sensor
6.
Gasket
7.
DPF heat insulator
8.
V-band clamp
9.
Diesel Particle Filter
10. DPF oxygen sensor
11. DPF Bracket
12. DPF bracket strip
13. DPF exhaust gas exit
14. Exhaust gas pressure sensor
15. Exhaust gas pressure sensor bracket
16. Lock plate
17. Exhaust manifold
18. Exhaust gas temperature sensor
19. Exhaust gas pressure sensor tube
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EX-18
< REMOVAL AND INSTALLATION >
[K9K]
PARTICLE FILTER
4.
Remove DPF temperature sensor (1).
5.
Remove:
• DPF temperature sensor gasket nut (1).
• DPF temperature sensor gasket (2).
6.
Remove DPF pressure sensor fixing nut (1).
7.
Remove EGR cooler tube nut (1) from DPF.
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PARTICLE FILTER
EX-19
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8.
Remove bolts (1), nut (2) and DPF bracket (3).
9.
Remove:
• DPF heat insulator. Refer to
• DPF bracket strip. Refer to
• DPF from turbocharger. Refer to
.
10. Remove oxygen sensor on the workbench using [SST: — (Mot.1495)].
11. Remove DPF pressure sensor hose from DPF.
INSTALLATION
1.
When replacing the differential pressure sensor, this procedure must be performed. Refer to
"Special Repair Requirement List"
.
2.
When replacing the diesel particle filter, this procedure must be performed. Refer to
• Install in the reverse order of removal.
Inspection
INFOID:0000000010427910
INSPECTION AFTER INSTALLATION
• With the engine running, check exhaust tube joints for gas leakage and unusual noises.
• Check to ensure that mounting brackets and mounting insulators are installed properly and free from undue
stress. Improper installation could result in excessive noise and vibration.
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