2003 NISSAN X-TRAIL length

EM-14
[QR20DE]
DRIVE BELTS
2. Insert a rod approximately 6 mm (0.24in) in diameter through the rear of engine into holding boss to fix
tensioner pulley.
3. Hook auxiliary drive belt onto all pulleys except for water pump. Hook belt onto water pump pulley at the
end.
CAUTION:
Confirm belts are completely set to pulleys.
4. Release tensioner, and apply tensions to belt.
5. Turn crankshaft pulley clockwise several times to equalize tension between each pulley.
6. Confirm tensions of belt at indicator is within the allowable use range. Refer toEM-13, "
Checking Drive
Belts".
Removal and Installation of Auxiliary Drive Belt Auto- tensionerEBS009QR
REMOVAL
1. Remove front RH engine side cover.
2. Remove auxiliary drive belt.
lKeep tensioner pulley fixed with a tool such as a short-length screwdriver.
3. Remove alternator and then auxiliary drive belt auto-tensioner.
lRemove and install auxiliary drive belt auto-tensioner by fixing tension pulley.
INSTALLATION
lInstall in the reverse order of removal.
CAUTION:
Install auxiliary drive belt auto-tensioner carefully not to damage the water pump pulley.
KBIA0092E

CYLINDER BLOCK
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lIf it exceeds the limit, replace connecting rod assembly.
CONNECTING ROD BEARING (BIG END)
lInstall the connecting rod cap without the connecting rod bearing
installed. After tightening the connecting rod bolt to the specified
torque, measure the connecting rod big end inner diameter
usinganinsidemicrometer.
CONNECTING ROD BUSHING OIL CLEARANCE (SMALL END)
Inner Diameter of Connecting Rod (Small End)
lMeasure inner diameter of bushing.Bend:
Limit 0.15 mm (0.0059 in) per 100 mm (3.94 in) length
Tor s i on :
Limit 0.30 mm (0.0118 in) per 100 mm (3.94 in) length
SEM003F
SEM038F
Standard : 48.000 - 48.013 mm (1.8898 - 1.8903 in)
PBIC0119E
Standard : 20.000 - 20.012 mm (0.7874 - 0.7879 in)
PBIC0120E

SERVICE DATA AND SPECIFICATIONS (SDS)
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CYLINDER HEAD
Unit: mm (in)
VA LV E
Valve Dimensions
Unit: mm (in)
Valve Clearance
Unit: mm (in)
*: Approximately 20°C(68°F)
Available Valve Lifter
Limit
Head surface distortion 0.1 (0.004)
PBIC0283E
Valve head diameter “D”Intake 35.5 - 35.8 (1.398 - 1.409)
Exhaust 30.5 - 30.8 (1.201 - 1.213)
Valve length “L”Intake 97.16 (3.8252)
Exhaust 98.82 (3.8905)
Valve stem diameter “d”Intake 5.965 - 5.980 (0.2348 - 0.2354)
Exhaust 5.955 - 5.970 (0.2344 - 0.2350)
Valve seat angle “a”Intake
45°15¢-45°45¢
Exhaust
Va l v e m a r g in “T ”Intake 1.1 (0.043)
Exhaust 1.3 (0.051)
SEM188
Cold* (reference data) Hot
Intake 0.24 - 0.32 (0.009 - 0.013) 0.32 - 0.40 (0.013 - 0.016)
Exhaust 0.26 - 0.34 (0.010 - 0.013) 0.33 - 0.41 (0.013 - 0.016)
Thickness mm (in) Identification mark
6.96 (0.2740) 696
6.98 (0.2748) 698

SERVICE DATA AND SPECIFICATIONS (SDS)
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Valve Guide
Unit: mm (in)
Valve Seat
Unit: mm (in) Lifter guide inner diameter 34.000 - 34.021 (1.3386 - 1.3394)
Clearance between lifter and lifter guide 0.020 - 0.056 (0.0008 - 0.0022)
Standard Service
Va l v e g u i d eOuter diameter10.023 - 10.034 (0.3946 -
0.3950)10.223 - 10.234 (0.4025 -
0.4029)
Inner diameter (Finished size) 6.000 - 6.018 (0.2362 - 0.2369)
Cylinder head valve guide hole diameter 9.975 - 9.996 (0.3927 - 0.3935)10.175 - 10.196 (0.4006 -
0.4014)
Interference fit of valve guide 0.027 - 0.059 (0.0011 - 0.0023)
Standard
Stem to guide clearanceIntake 0.020 - 0.053 (0.0008 - 0.0021)
Exhaust 0.030 - 0.063 (0.0012 - 0.0025)
Projection length “L”Intake 10.1 - 10.3 (0.398 - 0.406)
Exhaust 10.0 - 10.4 (0.394 - 0.409)
PBIC0184E
Standard Service
Cylinder head seat recess diameter
(D)Intake 36.500 - 36.516 (1.4370 - 1.4376) 37.000 - 37.016 (1.4567 - 1.4573)
Exhaust 31.500 - 31.516 (1.2402 - 1.2408) 32.000 - 32.016 (1.2598 - 1.2605)
Valve seat interference fitIntake 0.081 - 0.113 (0.0032 - 0.0044)
Exhaust 0.084 - 0.116 (0.0033 - 0.0046)
Valve seat outer diameter (d)Intake 36.597 - 36.613 (1.4408 - 1.4415) 37.097 - 37.113 (1.4605 - 1.4611)
Exhaust 31.600 - 31.616 (1.2441 - 1.2447) 32.100 - 32.116 (1.2638 - 1.2644)
PBIC0284E

EM-128
[YD22DDTi]
OIL PAN AND OIL STRAINER
d. Install upper oil pan.
lTighten bolts in numerical order to specified torque.
lBolt dimensions vary depending on the installation location.
Refer to the following and use appropriate bolts.
lThe shank length under the bolt neck above is the length of
the threaded part (pilot portion not included).
3. Tighten transaxle joint bolts.
4. Install rear plate cover.
5. Install lower oil pan.
a. Use a scraper to remove old liquid gasket from mating surfaces.
lAlso remove old liquid gasket from mating surface of
upper oil pan.
b. Apply a continuous bead of liquid gasket to mating surface of
lower oil pan.
lUse Genuine Liquid Gasket or equivalent.
lBe sure liquid gasket is 3.5 to 4.5 mm (0.138 to 0.177 in)
wide.
lAttaching should be done within 5 minutes after coating.
6. Install oil pan drain plug.
lRefer to illustration of components parts for installation direc-
tion of washer. M6 x 30 mm (1.18 in) : Bolt No. 15, 16
M8 x 25 mm (0.98 in) : Bolt No. 3, 4, 9, 10
M8x60mm(2.36in) :BoltNo.1,2,5,6,7,8,
11, 12, 13, 14
SBIA0162E
SBIA0163E
SEM159F
SBIA0164E

EM-142
[YD22DDTi]
FUEL SUPPLY PUMP
19. Using the sprocket holder (SST), hold the fuel supply pump
sprocket to prevent falling.
lAs for the sprocket holder, install fuel supply pump mounting
bolt through hole of KV11106060 as shown in figure.
lWhen the sprocket holder is installed, if the positioning stop-
per pin interferes, pull out the stopper pin approximately 10
mm (0.39 in), then install it.
lAfter the sprocket holder is installed temporarily, insert the
extension bar (SST) and TORX socket in the three holes A.
After positioning the holes, tighten the holder mounting bolts.
lThe length of the sprocket holder mounting bolts should be
approximately 15 mm (0.59 in) (M6 thread length).
lMake sure that the a- and b-faces of the sprocket holder con-
tact the bottom side of the sprocket (small diameter side).
CAUTION:
Do not remove the sprocket holder until the fuel supply
pump is installed.
lAfter the sprocket holder is installed, pull out the positioning
stopper pin (SST) from the fuel supply pump sprocket.
20. Using the extension bar [SST: whole length 43 mm (1.69 in)] and
the TORX socket (Q6-E12: commercially available), remove the
mounting bolts, them remove the fuel supply pump toward the
rear of the engine
CAUTION:
Do not disassemble or adjust the fuel supply pump.
SBIA0217E
SBIA0218E
SBIA0219E
SBIA0220E

PRIMARY TIMING CHAIN
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[YD22DDTi]
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REMOVAL
1. Remove coolant reservior tank.
2. Remove charge air cooler. Refer toEM-114, "
Removal and Installation".
3. Remove oil cleaner and air duct. Refer toEM-112, "
Removal and Installation".
4. Remove rocker cover. Refer toEM-147, "
Removal and Installation".
5. Remove RH engine mount insulator and bracket. Refer toEM-184, "
Removal and Installation".
6. Pull power steering reservoir tank out of brackets to move power steering piping.
CAUTION:
To avoid removing power steering reservoir tank out of brackets move it with power steering pip-
ing aside.
7. Remove oil pan. Refer toEM-125, "
Removal and Installation".
8. Remove oil filter bracket. Refer toLU-22, "
Removal and Installation".
9. Remove injection tube and fuel injector. Refer toEM-135, "
Removal and Installation".
10. Remove secondary timing chain and associated parts. Refer toEM-158, "
Removal and Installation".
11. When removing rear chain case, remove camshaft sprockets. Refer toEM-149, "
Removal and Installa-
tion".
12. Remove crankshaft pulley.
a. Hold crankshaft pulley with the pulley holder (SST).
b. Loosen crankshaft pulley fixing bolt and pull out the bolt approx-
imately 10 mm (0.39 in).
c. Using pulley puller (SST), remove crankshaft pulley.
lUse two M6 bolts with approx. 60 mm (2.36 in) shank length
for securing crankshaft pulley.
7. Chain guide 8. Spacer 9. Front chain case
10. Crankshaft pully 11. Front oil seal 12. Oil pump
13. Primary timing chain 14. Oil pump drive sprocket 15. Crankshaft sprocket
16. Secondary timing chain 17. Rear chain case 18. Power steering pump
JEM131G
JEM132G

PRIMARY TIMING CHAIN
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b. Install four O-rings to the grooves of the cylinder block and fuel
supply pump bracket.
c. Install rear chain case.
lWhen installing, align the dowel pin with the pin hole.
d. Tighten bolts in the numerical order shown in the figure.
lInstall the following four types of bolts, referring to the figure.
lThe shank length under the bolt neck above is the length of
threaded part (pilot portion not included).
e. After tightening all the bolts, re-tighten in the same order.
2. Install power steering pump.
3. Install fuel supply pump.
lBefore installing, make sure the notch on the fuel supply
pump flange and the hole 6 mm (0.24 in) in diameter on the
pump body are aligned.
4. Install chain guide and tension guides.
5. Install crankshaft sprocket, aligning it with the crankshaft key on
the far side.
JEM141G
16 mm (0.63 in) : Bolt No. 1, 2, 16, 17, 18, 19, 20, 21, 22
20 mm (0.79 in) : Bolt No. 3, 4, 6, 9, 10, 11, 13, 14
25mm(0.98in) :BoltNo.12,15
35mm(1.38in) :BoltNo.5,7,8
SBIA0211E
SBIA0210E