2003 NISSAN X-TRAIL check engine

FAX-12
FRONT DRIVE SHAFT
lDo not allow drive shaft, with transaxle inserted, to hang down without support for counter
shaft, wheel joints, and other parts.
lWhen the drive shafts listed below have been removed, check that a circular clip is attached to the end.
lRemove installation bolt from right-side drive shaft support bearing bracket. Then remove bracket from
engine.
lRemove installation bolt from right-side drive shaft and remove drive shaft from side shaft.
INSPECTION AFTER REMOVAL
lMove joint in up/down, left/right, and axial directions. Check for
motion that is not smooth and for significant looseness.
lCheck for cracking and damage of boots, and for grease leak-
age.
INSTALLATION
lInstall support bearing bracket onto engine and tighten installation bolts to specified torque.
lInstall drive shaft to side shaft and tighten installation bolts to specified torque.
1. In order to prevent damage to differential side oil seal, first fit a
protector onto oil seal before inserting drive shaft. Slide drive
shaft slide joint and tap with a hammer to install securely.
CAUTION:
Be sure to check that circular clip is securely fastened.
2. Insert drive shaft into steering knuckle. Install washers and tem-
porarily tighten lock nuts.
3. Install installation bolt for steering knuckle and strut.
4. Use lock plate to fix brake hose to strut.
5. Install tie rod to steering knuckle.
6. Install ABS wheel speed sensor.
7. Tighten lock nuts to specified torque.
8. Install cotter pin.
CAUTION:
Discard the old cotter pin; replace with a new one.
Engine typeDrive shaft with circular clip
Right Left
QR20DE —m
YD22ET —m
RAA0030D
Model type Protector SST No.
RH KV38107800
LH KV38105500
SDIA0593E
SDIA0603E

FL-1
FUEL SYSTEM
B ENGINE
CONTENTS
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SECTION
A
FL
FUEL SYSTEM
QR20DE
PREPARATION ........................................................... 2
Commercial Service Tool ......................................... 2
FUEL SYSTEM ........................................................... 3
Checking Fuel Lines ................................................. 3
General Precautions ................................................ 3
FUEL LEVEL SENSOR UNIT, FUEL FILTER AND
FUEL PUMP ASSEMBLY ........................................... 4
Removal and Installation .......................................... 4
REMOVAL ............................................................. 4
INSPECTION AFTER REMOVAL ......................... 6
INSTALLATION ..................................................... 6
INSPECTION AFTER INSTALLATION ................. 7
Disassembly and Assembly ..................................... 7
DISASSEMBLY ..................................................... 7
ASSEMBLY ........................................................... 8
FUEL TANK ................................................................ 9
Removal and Installation .......................................... 9
REMOVAL ............................................................. 9
INSTALLATION ................................................... 10
Inspection After Installation .....................................11
SERVICE DATA AND SPECIFICATIONS (SDS) ...... 12
Standard and Limit ................................................. 12
Tightening Torque ................................................... 12
YD22DDTi
PREPARATION ......................................................... 13
Commercial Service Tool ........................................ 13
FUEL SYSTEM ......................................................... 14
Checking Fuel Lines ............................................... 14
General Precautions ............................................... 14
FUEL FILTER ............................................................ 15
Removal and Installation ........................................ 15
REMOVAL ........................................................... 15
INSTALLATION ................................................... 15
INSPECTION AFTER INSTALLATION ................ 15
Air Bleeding ............................................................ 16
Draining Water ........................................................ 16
FUEL LEVEL SENSOR UNIT ................................... 17
Removal and Installation ........................................ 17
REMOVAL ........................................................... 17
INSPECTION AFTER REMOVAL ....................... 19
INSTALLATION ................................................... 19
INSPECTION AFTER INSTALLATION ................ 20
FUEL TANK .............................................................. 21
Removal and Installation ........................................ 21
REMOVAL ........................................................... 21
INSTALLATION ................................................... 22
Inspection After Installation .................................... 22
SERVICE DATA AND SPECIFICATIONS (SDS) ...... 23
Standard and Limit .................................................. 23
Tightening Torque ................................................... 23

FUEL SYSTEM
FL-3
[QR20DE]
C
D
E
F
G
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MA
FL
FUEL SYSTEMPFP:17503
Checking Fuel LinesEBS00BKP
Inspect fuel lines, filler cap and tank for improper attachment, leaks,
cracks, damage, loose connections, chafing or deterioration.
If necessary, repair or replace faulty parts.
General PrecautionsEBS00BKQ
WA RN ING:
when replacing fuel line parts, be sure to observe the following.
lPut a “ CAUTION: FLAMABLE” sign in workshop.
lBe sure to work in a well-ventilated area and furnish workshop with a CO2fire extinguisher.
lDo not smoke while servicing fuel system, keep open flames and spark away from work area.
CAUTION:
lBefore removing fuel line parts, carry out the following procedures.
–a) Put drained fuel in an explosion-proof container and put the lid on securely, keep the container
in safe area.
–b) Release fuel pressure from fuel line, Refer toEC-34, "Fuel Pressure Check",EC-399, "Fuel
Pressure Check".
–c) Disconnect battery ground cable.
lAlways replace O-ring and clamps with new ones.
lDo not tighten hose clamps excessively to avoid damaging hoses.
lDo not kink or twist tubes when they are being installed.
lAfter installing tubes, run engine and check for fuel leaks at connections.
SMA803A

FL-8
[QR20DE]
FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY
2. Disconnect fuel pump harness connector.
3. Separate the fuel filter and fuel level sensor unit.
a. Fit a used O-ring into space between fuel level sensor unit and
fuel filter. Undo catches and separate fuel level sensor unit and
fuel filter.
lFor reference when reassembling, put a mating mark on outer
edges of fuel level sensor unit and fuel filter with some means
which cannot be erased by fuel.
b. Insert blade end screwdriver to the gap between the fuel filter
and fuel level sensor unit to separate them.
CAUTION:
Put cloth or similar one on the edge of screwdriver not to
damage the inserted portion.
4. Remove pressure regulator from fuel filter.
a. Open and remove the clip.
b. Pull the pressure regulator straight out during removal.
CAUTION:
lAvoid impacts such as falling during removal.
lDo not disassemble or adjust.
ASSEMBLY
Install in the reverse order of removal paying attention to the following.
lInstall the fuel filter and fuel pump with the tabs aligned, Make sure a click sound of secure engagement
is heard.
lSecurely connect the harness connector of the fuel pump.
lInstall the pressure regulator O-ring as follows.
CAUTION:
lWhen replacing, always use a new O-ring.
lHandle it with bare hands. (Do not use gloves.)
lVisually check the O-ring, mounting parts and mating parts for foreign materials and flaws.
lBefore installing, apply new engine oil.
lTo avid damage, do not apply an excessive force (pulling or starching).
lInstall the pressure regulator as follows.
1. Insert the clip to the groove of the regulator.
2. With the clip installed, insert the regulator straight by matching
the fuel filter protrusion and the clip notch.
3. Make sure that the fuel filter protrusion and clip notch are
securely engaged.
PBIC0243E
PBIC0244E
PBIC0245E

FUEL TANK
FL-11
[QR20DE]
C
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F
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MA
FL
Inspection After InstallationEBS00BM3
Run engine and check for fuel leaks at connections.

FL-14
[YD22DDTi]
FUEL SYSTEM
FUEL SYSTEM
PFP:17503
Checking Fuel LinesEBS00BKH
Inspect fuel lines, filler cap and tank for improper attachment, leaks,
cracks, damage, loose connections, chafing or deterioration.
If necessary, repair or replace faulty parts.
General PrecautionsEBS00BKI
WAR NIN G:
When replacing fuel line parts, be sure to observe the following.
lPut a “CAUTION: FLAMMABLE” sign in workshop.
lBe sure to work in a well-ventilated area and furnish workshop with a CO2fire extinguisher.
lDo not smoke while servicing fuel system. Keep open flames and spark away from work area.
CAUTION:
lBefore removing fuel line parts, carry out the following procedures:
–a) Put drained fuel in an explosion-proof container and put the lid on securely. Keep the container
in safe area.
–b) Disconnect battery ground cable.
lAlways replace O-ring and clamps with new ones.
lDo not kink or twist tubes when they are being installed.
lDo not tighten hose clamps excessively to avoid damaging hoses.
lAfter installing tubes, run engine and check for fuel leaks at connections.
SMA803A

FUEL FILTER
FL-15
[YD22DDTi]
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FL
FUEL FILTERPFP:16400
Removal and InstallationEBS00BLA
REMOVAL
1. Remove air duct and upper air cleaner case.
2. Remove fuel filter protector.
3. Disconnect fuel hoses at fuel filter bracket.
CAUTION:
Plug the pipe to prevent fuel from draining.
4. Remove fuel filter with bracket.
CAUTION:
Do not splash fuel during removal. If fuel is splashed,
immediately wipe it off.
5. Using band-type filter wrench (commercial service tool), remove
fuel filter.
6. Turn fuel filter upside down to drain fuel.
7. Remove drain plug from fuel filter.
INSTALLATION
Install in reverse order of removal, paying attention to following:
lReplace O-ring on drain plug with new one.
lScrew the fuel filter by hand until packing contacts sealing surface of bracket. Then tighten it by turning
approximately 2/3 turn.
lAfter installation, bleed air from fuel path. Refer toFL-16, "Air Bleeding".
INSPECTION AFTER INSTALLATION
Run engine and check for fuel leakage at connections.
SBIA0134E
SBIA0135E
SBIA0136E
: 3.9 - 5.9 N·m (0.4 - 0.6 kg-m, 35 - 52 in-lb)

FL-22
[YD22DDTi]
FUEL TANK
10. Using a transmission jack, support the bottom of the rear final
drive.
11. Remove the mounting nuts on the rear suspension member, and
lower the transmission jack carefully until just before the rear
suspension member is removed from the stud bolts on the vehi-
cle.
12. Disconnect fuel filler hose, EVAP hose and vent hose at fuel
tank side.
For disconnection procedure of the quick connector. Refer to
FL-17, "
FUEL LEVEL SENSOR UNIT".
13. Remove fuel tank protector.
14. Remove fuel tank band mounting bolts while supporting fuel
tank.
15. Remove fuel tank.
INSTALLATION
lInstall in the reverse order of removal paying attention to the following.
lSurely clamp fuel hoses and insert hose to the length below.
lBe sure hose clamp is not positioned on swelled area of fuel tube.
lTighten fuel hose clamp so that the distance between its lugs becomes to the following.
lPush the mounting band pin to the vehicle side securely.
lBefore fixing the fuel tank, temporarily install the fuel filler tube.
CAUTION:
Use genuine fuel filler tube mounting bolts or equivalent. Make sure to tighten them to the speci-
fied torque.
lTo connect the quick connector. Refer toFL-17, "FUEL LEVEL SENSOR UNIT".
Inspection After InstallationEBS00BL4
Run engine and check for fuel leaks at connections.
KBIA0285E
KBIA0286E
KBIA0290E
Fuel filler hose : 35 mm (1.38 in)
The other hose : 25 mm (0.98 in)
Fuel tank side : 5 - 9 mm (0.20 - 0.35 in)
Fuel filler tube side : 7 - 11 mm (0.28 - 0.43 in)