oil change NISSAN X-TRAIL 2001 Service Repair Manual

PRECAUTIONS
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●Use approved bonding agent, sealants or their equivalents when required.
●Use tools and recommended special tools where specified for safe and efficient service repairs.
●When repairing the fuel, oil, water, vacuum or exhaust systems, check all affected lines for leaks.
●Before servicing the vehicle:
Protect fenders, upholstery and carpeting with appropriate cov-
ers.
Take caution that keys, buckles or buttons do not scratch paint.
WARNING:
To prevent ECM from storing the diagnostic trouble codes, do not carelessly disconnect the harness
connectors which are related to the engine control system and TCM (transmission control module)
system. The connectors should be disconnected only when working according to the WORK FLOW of
TROUBLE DIAGNOSES in EC and AT sections.
Precautions for All Mode 4 × 4 SystemEAS000GQ
Even if the 2WD mode is selected, the All mode 4 × 4 system occasionally changes from 2WD to 4WD auto-
matically depending on the driving conditions.
When spinning the front wheels by running the engine with the front wheels jacked up or mounted on the free
rollers / or a chassis dynamometer, be careful because the vehicle may suddenly move due to the driving
force from the rear wheels.
To avoid personal injury and vehicle damage, use one of the following methods when working with the front
wheels drive force and spinning freely.
● Remove the propeller shaft.
● Use free rollers / chassis dynamometer designed for 4WD vehicles.
Precautions for Three Way CatalystEAS000FR
If a large amount of unburned fuel flows into the catalyst, the catalyst temperature will be excessively high. To
prevent this, follow the instructions.
●Use unleaded gasoline only. Leaded gasoline will seriously damage the three way catalyst.
●When checking for ignition spark or measuring engine compression, make tests quickly and only when
necessary.
●Do not run engine when the fuel tank level is low, otherwise the engine may misfire, causing damage to
the catalyst.
Do not place the vehicle on flammable material. Keep flammable material off the exhaust pipe and the three
way catalyst.
Precautions for FuelEAS000P9
GASOLINE ENGINE
Use unleaded gasoline with an octane rating of at least 95 (RON).
CAUTION:
Do not use leaded gasoline. Using leaded gasoline will damage the three way catalyst. Using a fuel
other than that specified could adversely affect the emission control devices and systems, and could
also affect the warranty coverage validity.
DIESEL ENGINE
Diesel fuel of at least 50 cetane.
If two types of diesel fuel are available, use summer or winter fuel properly according to the following temper-
ature conditions.
●Above –7°C (20°F) ... Summer type diesel fuel.
●Below –7°C (20°F) ... Winter type diesel fuel.
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GI-6
PRECAUTIONS
CAUTION:
●Do not use home heating oil, gasoline or other alternate fuels in your diesel engine. The use of
those can cause engine damage.
●Do not use summer fuel at temperatures below –7°C (20°F). The cold temperatures will cause wax
to form in the fuel. As a result, it may prevent the engine from running smoothly.
●Do not add gasoline or other alternate fuels to diesel fuel.
Precautions for Multiport Fuel Injection System or Engine Control SystemEAS000FT
●Before connecting or disconnecting any harness connector for
the multiport fuel injection system or ECM:
Turn ignition switch to “OFF” position.
Disconnect negative battery terminal.
Otherwise, there may be damage to ECM.
●Before disconnecting pressurized fuel line from fuel pump to
injectors, be sure to release fuel pressure.
●Be careful not to jar components such as ECM and mass air
flow sensor.
Precautions for Turbocharger (If Equipped)EAS000FU
The turbocharger turbine revolves at extremely high speeds and
becomes very hot. Therefore, it is essential to maintain a clean sup-
ply of oil flowing through the turbocharger and to follow all required
maintenance instructions and operating procedures.
●Always use the recommended oil. Follow the instructions for
proper time to change the oil and proper oil level.
●Avoid accelerating engine to a high rpm immediately after start-
ing.
●If engine had been operating at high rpm for an extended period
of time, let it idle for a few minutes prior to shutting if off.
Precautions for HosesEAS000FV
HOSE REMOVAL AND INSTALLATION
●To prevent damage to rubber hose, do not pry off rubber hose
with tapered tool or screwdriver.
●To reinstall the rubber hose securely, make sure that hose inser-
tion length and orientation is correct. (If tube is equipped with
hose stopper, insert rubber hose into tube until it butts up
against hose stopper.)
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GI-32
SERVICE INFORMATION FOR ELECTRICAL INCIDENT
●Do not apply excessive shock to the control unit by dropping or
hitting it.
●Be careful to prevent condensation in the control unit due to
rapid temperature changes and do not let water or rain get on it.
If water is found in the control unit, dry it fully and then install it in
the vehicle.
●Be careful not to let oil to get on the control unit connector.
●Avoid cleaning the control unit with volatile oil.
●Do not disassemble the control unit, and do not remove the
upper and lower covers.
●When using a DMM, be careful not to let test probes get close to
each other to prevent the power transistor in the control unit
from damaging battery voltage because of short circuiting.
●When checking input and output signals of the control unit, use
the specified check adapter.
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SEF348N

EM-42
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TIMING CHAIN
2. Tighten mounting bolt in the numerical order shown in the figure
with the following procedure, and install balancer unit.
CAUTION:
When reusing a mounting bolt, check its outer diameter
before installation, Refer to EM-41, "
INSPECTION AFTER
REMOVAL" .
a. Apply new engine oil to threads and seat surfaces of mounting
bolts.
b. Tighten them to 45.2 to 51.0 N·m (4.6 to 5.2 kg-m, 34 to 37 ft-lb).
c. Turn them another 90 to 95° (Target: 90°).
d. Fully loosen to 0 N·m (0 kg-m, 0 ft-lb).
●Loosen in the reverse order of tightening.
e. Tighten them to 45.2 to 51.0 N·m (4.6 to 5.2 kg-m, 34 to 37 ft-lb).
f. Turn them another 90 to 95° (Target: 90°).
CAUTION:
Check tightening angle with an angle wrench or a protrac-
tor. Do not make judgment by visual check alone.
3. Install crankshaft sprocket and timing chain for balancer unit.
●Make sure that crankshaft sprocket is positioned with mating
marks on block and sprocket meeting at the top.
●Install it by lining up mating marks on each sprocket and tim-
ing chain.
4. Install timing chain tensioner for balancer unit.
NOTE:
Chain guide and tensioner move freely with the caulking pin as
the axle. Therefore, bolt hole position of the three points could
be changed during removal. If points change, temporarily fix the
two mounting bolts on the chain guide, and move the tensioner
to mate the bolt holes.
●Be careful not to let mating marks of each sprocket and timing
chain slip.
●After installation, make sure the mating marks have not
slipped, then remove stopper pin and release tensioner.
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TIMING CHAIN
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5. Install timing chain and related parts.
●Install by lining up mating marks on each sprocket and timing
chain.
NOTE:
Before installing chain tensioner, it is possible to change the
position of mating mark on timing chain for that on each
sprocket for alignment.
CAUTION:
For the above reason, after the mating marks are aligned,
keep them aligned by holding them with a hand.
●Before and after installing chain tensioner, check again to
make sure that mating marks have not slipped.
●After installing chain tensioner, remove stopper pin, and make
sure that tensioner moves freely.
●To avoid skipped teeth, do not move crankshaft and camshaft
until front cover is installed.
6. Install front oil seal to front cover.
●Using a drift of 56 mm (2.20 in) dia, press oil seal in until it is
flush with front end surface of front cover.
CAUTION:
Be careful not to cause damage or burr to circumference of
oil seal.
7. Install front cover with the following procedure.
a. Install O-rings to cylinder head and cylinder block.
b. Apply liquid gasket to positions specified in the figure.
Use Genuine Liquid gasket or equivalent.
●Application instruction differs depending on the part.
c. Make sure that mating marks of timing chain and each sprocket
are still aligned. Then install front cover.
CAUTION:
●Do not let air conditioning and power steering piping
interfere with upper part of front cover.
●Be careful not to damage front oil seal by interference
with front end of crankshaft.
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CYLINDER HEAD
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CYLINDER HEADPFP:11041
On-Vehicle ServiceEBS00KNP
CHECKING COMPRESSION PRESSURE
1. Warm up engine thoroughly. Then, stop it.
2. Release fuel pressure. Refer to EC-775, "
FUEL PRESSURE RELEASE" [QR20DE (WITH EURO-OBD)],
EC-1139, "
FUEL PRESSURE RELEASE" [QR20DE (WITHOUT EURO-OBD)], EC-42, "FUEL PRES-
SURE RELEASE" [QR25DE (WITH EURO-OBD)] or EC-452, "FUEL PRESSURE RELEASE" [QR25DE
(WITHOUT EURO-OBD)].
3. Remove ignition coil and spark plug from each cylinder. Refer to EM-29, "
IGNITION COIL" and EM-30,
"SPARK PLUG" .
4. Connect engine tachometer (not required in use of CONSULT-II).
5. Disconnect fuel injector sub-harness to avoid fuel injection dur-
ing measurement.
6. Install compression tester with adapter onto spark plug hole.
●Use compression gauge whose picking up end inserted to
spark plug hole is smaller than 20 mm (0.79 in) in diameter.
Otherwise, it may be caught by cylinder head during removal.
7. With accelerator pedal fully depressed, turn ignition switch to
“START” for cranking. When the gauge pointer stabilizes, read
the compression pressure and engine rpm. Perform these steps
to check each cylinder.
Compression pressure
Unit: kPa (bar, kg/cm2 , psi) /rpm
CAUTION:
Always use a fully changed battery to obtain specified engine speed.
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SEM387C
Engine type Standard Minimum Deference limit between cylinders
QR20DE 1,190 (11.9, 12.1, 173) / 250 990 (9.9, 10.1, 144) / 250
100 (1.0, 1.0, 14) / 250
QR25DE 1,250 (12.5, 12.8, 181.3) / 250 1,060 (10.6, 10.8, 153.7) / 250

ENGINE ASSEMBLY
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●Use a manual lift table caddy or equivalently rigid tool such as
a jack or trestle. Securely support bottom of engine and tran-
saxle, and simultaneously adjust hoist tension.
CAUTION:
Put a piece of wood or something similar as the support-
ing surface, secure a completely stable condition.
23. Remove RH engine mounting insulator.
24. Pull LH engine mounting through-bolt out.
25. Remove mounting bolts at front end of center member.
26. Remove front suspension member mounting bolts and nuts.
27. Remove engine, transaxle and transfer assembly with suspen-
sion member from vehicle downward by carefully operating sup-
porting tools.
CAUTION:
●During the operation, make sure that no part interferes
with body side.
●Before and during this lifting, always check if any har-
nesses are left connected.
●During the removal operation, always be careful to pre-
vent vehicle from falling off the lift due to changes in the center of gravity.
●If necessary, support vehicle by setting a jack or equivalent tool at the rear.
28. Remove power steering pump with piping connected from engine. Move it aside on suspension member.
29. Remove front engine mounting and rear engine mounting through-bolts to remove suspension member.
30. Remove starter motor.
31. Separate engine and transaxle. Refer to MT-15, "
TRANSAXLE ASSEMBLY" (M/T models) or AT- 4 1 8 ,
"REMOVAL AND INSTALLATION" (A/T models)
INSTALLATION
Install in the reverse order of removal.
●Do not allow engine oil to get on mounting insulator. Be careful not to damage mounting insulator.
●When installation directions are specified, install parts according to the direction marks on them referring
to components illustration.
●Make sure that each mounting insulator is seated properly, and tighten mounting bolts and nuts.
INSPECTION AFTER INSTALLATION
●Before starting engine, check the levels of engine coolant, lubrications and working engine oils. If less
than required quantity, fill to the specified level.
●Run engine to check for unusual noise and vibration.
●Warm up engine thoroughly to make sure there is no leakage of engine coolant, lubricants, working
engine oil, fuel and exhaust gas.
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ENGINE ASSEMBLY
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●Use a manual lift table caddy or equivalently rigid tool such as a
jack or trestle. Securely support bottom of engine and transaxle,
and simultaneously adjust hoist tension.
CAUTION:
Put a piece of wood or something similar as the supporting
surface, secure a completely stable condition.
21. Remove RH engine mounting insulator.
22. Pull LH engine mounting through-bolt out.
23. Remove mounting bolts at front end of center member.
24. Remove front suspension member mounting bolts and nuts.
25. Remove engine, transaxle and transfer assembly with suspen-
sion member from vehicle downward by carefully operating sup-
porting tools.
CAUTION:
●During the operation, make sure that no part interferes
with body side.
●Before and during this lifting, always check if any har-
nesses are left connected.
●During the removal operation, always be careful to pre-
vent vehicle from falling off the lift due to changes in the center of gravity.
●If necessary, support vehicle by setting a jack or equivalent tool at the rear.
26. Remove power steering pump with piping connected from engine. Move it aside on suspension member.
27. Remove front engine mounting and rear engine mounting through-bolts to remove suspension member.
28. Remove starter motor.
29. Separate engine and transaxle. Refer to MT-15, "
TRANSAXLE ASSEMBLY" .
INSTALLATION
Install in the reverse order of removal.
●Do not allow engine oil to get on mounting insulator. Be careful not to damage mounting insulator.
●When installation directions are specified, install parts according to the direction marks on them referring
to components illustration.
●Make sure that each mounting insulator is seated properly, and tighten mounting bolts and nuts.
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ENGINE OIL
c. After warming up the engine, check for engine oil leakage with running engine.
Changing Engine OilEBS00KO4
WARNING:
●Be careful not to burn yourself, as the engine oil is hot.
●Prolonged and repeated contact with used engine oil may
cause skin cancer. Try to avoid direct skin contact with
used engine oil. If skin contact is made, wash thoroughly
with soap or hand cleaner as soon as possible.
1. Warm up engine, put vehicle horizontally and check for engine
oil leakage from engine components.
2. Stop engine and wait for 10 minutes.
3. Remove drain plug and oil filler cap.
4. Drain engine oil.
●Install drain plug and refill with new engine oil.
Engine oil specifications and viscosity:
●API grade SG, SH, SJ or SL.
●ILSAC grade GF-I, GF-II or GF-III
●ACEA 96-A2
●Refer to MA-16, "RECOMMENDED FLUIDS AND LUBRICANTS" for further detail.
Engine oil capacity (Approximate):
Unit: (lmp qt)
CAUTION:
●Be sure to clean drain plug and install with new washer.
●The refill capacity depends on the engine oil temperature and drain time. Use these specifica-
tions for reference only.
●Always use the dipstick to the determine when the proper amount of engine oil is in the engine.
5. Warm up engine and check area around drain plug and oil filter for engine oil leakage.
6. Stop engine and wait for 10 minutes.
7. Check engine oil level. Refer to LU-7, "
ENGINE OIL LEVEL" . Oil pressure switch:
: 12.3 - 17.2 N·m (1.25 - 1.75 kg-m, 9 - 12 ft-lb)
PBIC0250E
Drain and refillWith oil filter change Approximately 3.9 (3-3/8)
Without oil filter change Approximately 3.5 (3-1/8)
Dry engine (engine overhaul)Approximately 4.5 (4)
Oil pan drain plug:
: 29.4 - 39.2 N·m (3.0 - 4.0 kg-m, 22 - 28 ft-lb)

LU-14
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SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
PFP:00030
Standard and LimitEBS00KO9
OIL PRESSURE
*:Engine oil temperature at 80°C (176°C)
OIL PUMP
Unit: mm (in)
REGULATOR VALVE
Unit: mm (in)
ENGINE OIL CAPACITY
Unit: (Imp qt)
Tightening TorqueEBS00KOA
Unit: N·m (kg-m, ft-lb)
Unit: N·m (kg-m, in-lb)* Engine speed (rpm)
Approximate discharge pressure kPa (bar, kg/cm
2 , psi)*
Idle speed
2,000
6,000 More than 98 (0.98, 1.0, 14)
294 (2.9, 3.0, 43)
392 (3.9, 4.0, 57)
Body to outer rotor radial clearance 0.114 - 0.179 (0.0045 - 0.0070)
Inner rotor to outer rotor tip clearance Below 0.220 (0.0087)
Body to inner rotor axial clearance 0.030 - 0.070 (0.0012 - 0.0028)
Body to outer rotor axial clearance 0.060 - 0.110 (0.0024 - 0.0043)
Inner rotor to brazed portion of housing clearance 0.035 - 0.070 (0.0014 - 0.0028)
Regulator valve to oil pump cover clearance 0.040 - 0.097 (0.0016 - 0.0038)
With oil filter change Approximately 3.9 (3-3/8)
Without oil filter change Approximately 3.5 (3-1/8)
Dry engine (engine overhaul) Approximately 4.5 (4)
Oil pressure switch 12.3 - 17.2 (1.25 - 1.75, 9 - 12)
Oil pan drain plug 29.4 - 39.2 (3.0 - 4.0, 22 - 28)
Oil filter14.7 - 20.5 (1.5 - 2.1, 11 - 15)
Oil pump assembly 6.4 - 7.5 (0.66 - 0.76, 57 - 66)*
Oil pump cover 5.9 - 7.9 (0.60 - 0.81, 52 - 70)*
Regulator plug 39.2 - 68.6 (4.0 - 6.9, 29 - 50)
Oil cooler34.3 - 44.1 (3.5 - 4.4, 26 - 32)
Oil cooler bracket 19.6 - 23.5 (2.0 - 2.3, 15 - 17)