Nissan X-Trail 32. Manual — part 1134
EX-12
< REMOVAL AND INSTALLATION >
[QR25DE]
EXHAUST SYSTEM
REMOVAL AND INSTALLATION
EXHAUST SYSTEM
Exploded View
INFOID:0000000010782892
Removal and Installation
INFOID:0000000010782893
REMOVAL
• Disconnect each joint and mounting.
• Remove heated oxygen sensor 2 with following procedure.
Ring gasket
Exhaust front tube 1
Mounting rubber
Gasket
Exhaust front tube 2
Heat insulator
Heated oxygen sensor 2
Gasket
Mounting rubber
Main muffler
Mounting rubber
Mounting rubber
To exhaust manifold
: Always replace after every disassembly.
: N·m (kg-m, in-lb)
: N·m (kg-m, ft-lb)
: Indicates that the part is connected at points with same symbol in actual vehicle.
JPBIA6896GB
EXHAUST SYSTEM
EX-13
< REMOVAL AND INSTALLATION >
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- Using heated oxygen sensor wrench [SST: KV10114400] (A),
removal heated oxygen sensor 2
.
CAUTION:
Discard any sensor which has been dropped from a height of
more than 0.5 m (19.7 in) onto a hard surface such as a con-
crete floor; use a new one.
INSTALLATION
Note the following, and install in the reverse order of removal.
CAUTION:
• Always replace gaskets with new ones when reassembling.
• Discard any heated oxygen sensor 2 which has been dropped onto a hard surface such as a con-
crete floor. Use a new one.
• Before installing a new heated oxygen sensor 2, clean exhaust system threads using the heated oxy-
gen sensor thread cleaner [commercial service tool (J-43897-18 or J-43897-12)] and apply anti-seize
lubricant (commercial service tool).
• Never over torque heated oxygen sensor 2. Doing so may cause damage to the heated oxygen sen-
sor 2, resulting in the “MIL” coming on.
• If heat insulator is badly deformed, repair or replace it. If deposits such as mud pile up on the heat
insulator, remove them.
• When installing heat insulator avoid large gaps or interference between heat insulator and each
exhaust pipe.
• Remove deposits from the sealing surface of each connection. Connect them securely to avoid gas
leakage.
• Temporarily tighten mounting nuts and bolts. Check each part for unusual interference and mount-
ing rubber interference, and then tighten them to the specified torque.
• When installing each mounting rubber, avoid twisting or unusual extension in up/down, front/rear
and right/left directions.
• Install mounting rubber, refer to the following instructions,
- Install slit of the mounting rubber
is in a horizontal direction.
Inspection
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INSPECTION AFTER INSTALLATION
• Check clearance between tail tube and rear bumper is even.
• With engine running, check exhaust tube joints for gas leakage and unusual noises.
• Check to ensure that mounting brackets and mounting rubbers are installed properly and free from undue
stress. Improper installation could result in excessive noise and vibration.
: Exhaust front tube
: Vehicle front
JSBIA4404ZZ
: RH
: LH
: Vehicle upper
JPBIA6874ZZ
EX-14
< PRECAUTION >
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PRECAUTIONS
PRECAUTION
PRECAUTIONS
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 will be hot
just after engine stops.
• Be careful not to cut your hand on the heat insulator edge.
• Never use silicon-containing products (e.g. oil) to prevent malfunctions such as the interference with
the conduction of electricity and the occurrence of noise in the radio.
• Prevent rust preventives from adhering to the sensor body.
Precautions for Removing Battery Terminal
INFOID:0000000010782921
• With the adoption of Auto ACC function, ACC power is automatically supplied by operating the intelligent key
or remote keyless entry or by opening/closing the driver side door. In addition, ACC power is supplied even
after the ignition switch is turned to the OFF position, i.e. ACC power is supplied for a certain fixed time.
• When disconnecting the 12V battery terminal, turn off the ACC
power before disconnecting the 12V battery terminal, observing
“How to disconnect 12V battery terminal” described below.
NOTE:
Some ECUs operate for a certain fixed time even after ignition
switch is turned OFF and ignition power supply is stopped. If the
battery terminal is disconnected before ECU stops, accidental DTC
detection or ECU data damage may occur.
• For vehicles with the 2-batteries, be sure to connect the main bat-
tery and the sub battery before turning ON the ignition switch.
NOTE:
If the ignition switch is turned ON with any one of the terminals of
main battery and sub battery disconnected, then DTC may be detected.
• After installing the 12V battery, always check "Self Diagnosis Result" of all ECUs and erase DTC.
NOTE:
The removal of 12V battery may cause a DTC detection error.
HOW TO DISCONNECT 12V BATTERY TERMINAL
Disconnect 12V battery terminal according to Instruction 1 or Instruction 2 described below.
For vehicles parked by ignition switch OFF, refer to Instruction 2.
INSTRUCTION 1
1.
Open the hood.
2.
Turn key switch to the OFF position with the driver side door opened.
3.
Get out of the vehicle and close the driver side door.
4.
Wait at least 3 minutes. For vehicle with the engine listed below, remove the battery terminal after a lapse
of the specified time.
CAUTION:
While waiting, never operate the vehicle such as locking, opening, and closing doors. Violation of
this caution results in the activation of ACC power supply according to the Auto ACC function.
5.
Remove 12V battery terminal.
SEF289H
D4D engine
: 20 minutes
HRA2DDT
: 12 minutes
K9K engine
: 4 minutes
M9R engine
: 4 minutes
R9M engine
: 4 minutes
V9X engine
: 4 minutes
PRECAUTIONS
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CAUTION:
After installing 12V battery, always check self-diagnosis results of all ECUs and erase DTC.
INSTRUCTION 2 (FOR VEHICLES PARKED BY IGNITION SWITCH OFF)
1.
Unlock the door with intelligent key or remote keyless entry.
NOTE:
At this moment, ACC power is supplied.
2.
Open the driver side door.
3.
Open the hood.
4.
Close the driver side door.
5.
Wait at least 3 minutes.
CAUTION:
While waiting, never operate the vehicle such as locking, opening, and closing doors. Violation of
this caution results in the activation of ACC power supply according to the Auto ACC function.
6.
Remove 12V battery terminal.
CAUTION:
After installing 12V battery, always check self-diagnosis results of all ECUs and erase DTC.
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