coolant capacity NISSAN X-TRAIL 2003 Electronic Repair Manual

CO-1
ENGINE COOLING SYSTEM
B ENGINE
CONTENTS
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SECTION
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ENGINE COOLING SYSTEM
QR20DE
PRECAUTIONS .......................................................... 3
Precautions For Liquid Gasket ................................. 3
REMOVAL OF LIQUID GASKET .......................... 3
LIQUID GASKET APPLICATION PROCEDURE..... 3
PREPARATION ........................................................... 4
Special Service Tools ............................................... 4
OVERHEATING CAUSE ANALYSIS .......................... 5
Troubleshooting Chart .............................................. 5
COOLING SYSTEM .................................................... 7
Cooling Circuit .......................................................... 7
ENGINE COOLANT .................................................... 9
Inspection ................................................................. 9
LEVEL CHECK ..................................................... 9
LEAK CHECK ....................................................... 9
Changing Engine Coolant ........................................ 9
DRAINING ENGINE COOLANT ........................... 9
REFILLING ENGINE COOLANT ........................ 10
FLUSHING COOLING SYSTEM ......................... 10
RADIATOR ................................................................ 12
Removal and Installation ........................................ 12
REMOVAL ........................................................... 12
INSTALLATION ................................................... 12
Disassembly and Assembly Radiator Fan ............. 13
DISASSEMBLY ................................................... 13
ASSEMBLY ......................................................... 13
INSPECTION ......................................................... 13
CHECKING RADIATOR CAP .............................. 13
CHECKING RADIATOR ...................................... 14
RADIATOR (ALUMINUM TYPE) .............................. 15
Disassembly and Assembly ................................... 15
PREPARATION ................................................... 15
DISASSEMBLY ................................................... 15
ASSEMBLY ......................................................... 16
INSPECTION ...................................................... 18WATER PUMP .......................................................... 19
Removal and Installation ........................................ 19
REMOVAL ........................................................... 19
INSPECTION AFTER REMOVAL ....................... 20
INSTALLATION ................................................... 20
INSPECTION AFTER INSTALLATION ................ 20
THERMOSTAT AND WATER CONTROL VALVE .... 21
Removal and Installation ........................................ 21
REMOVAL ........................................................... 21
INSPECTION AFTER REMOVAL ....................... 22
INSTALLATION ................................................... 22
SERVICE DATA AND SPECIFICATIONS (SDS) ...... 23
Capacity .................................................................. 23
Thermostat ............................................................. 23
Water Control Valve ................................................ 23
Radiator .................................................................. 23
Tightening Torque ................................................... 23
YD22DDTi
PRECAUTIONS ........................................................ 24
Precautions For Liquid Gasket ............................... 24
REMOVAL AND LIQUID GASKET ...................... 24
LIQUID GASKET APPLICATION PROCEDURE... 24
PREPARATION ......................................................... 25
Special Service Tools ............................................. 25
OVERHEATING CAUSE ANALYSIS ........................ 26
Troubleshooting Chart ............................................ 26
COOLING SYSTEM .................................................. 28
Cooling Circuit ........................................................ 28
ENGINE COOLANT .................................................. 30
Inspection ............................................................... 30
LEVEL CHECK .................................................... 30
LEAK CHECK ...................................................... 30
Changing Engine Coolant ....................................... 30
DRAINING ENGINE COOLANT .......................... 30
REFILLING ENGINE COOLANT ......................... 31
FLUSHING COOLING SYSTEM ......................... 32
RADIATOR ................................................................ 33
Removal and Installation ........................................ 33

CO-10
[QR20DE]
ENGINE COOLANT
2. Open drain plugs on cylinder block.
3. Remove reservoir tank and drain coolant.
4. Check drained coolant for contaminants such as rust, corrosion
or discoloration.
If contaminated, flush engine cooling system. Refer toCO-10,
"FLUSHING COOLING SYSTEM".
REFILLING ENGINE COOLANT
1. Install reservoir tank, radiator drain plug and cylinder block drain plug.
Apply sealant to the thread of cylinder block drain plug.
lUse Genuine Liquid Gasket or equivalent.
2. Fill radiator and reservoir tank to specified level.
lUse genuine Nissan anti-freeze coolant or equivalent mixed
with water (distilled or demineralized).
Refer toMA-17, "
RECOMMENDED FLUIDS AND LUBRI-
CANTS".
lPour coolant slowly of less than 2 (2-1/8US qt,1-3/4 lmp
qt) a minute to allow air in system to escape.
3. Warm up engine to normal operating temperature without radia-
tor cap installed.
lIf coolant overflows radiator filler hole, install filler cap.
4. Run engine at 3,000 rpm for 10 seconds and return to idle speed
with radiator cap installed.
lRepeat two or three times.
Watch coolant temperature gauge so as not to overheat the engine.
5. Stop engine and cool down to less than approximately 50°C(122°F).
lCool down using a fan to reduce the time.
lIf necessary, refill radiator up to filler neck with coolant.
6. Refill reservoir tank to MAX level line with coolant.
7. Repeat steps 5 through 7 two or more times with radiator cap installed until coolant level no longer drops.
8. Check cooling system for leaks with engine running.
9. Warm up engine, and check for sound of coolant flow while running engine from idle up to 3,000 rpm with
heater temperature controller set at several position between COOL and WARM.
lSound may be noticeable at heater unit.
10. If sound is heard, bleed air from cooling system by repeating steps 5 through 7 until coolant level no
longer drops.
lClean excess coolant from engine.
FLUSHING COOLING SYSTEM
1. Fill radiator and reservoir tank with water and reinstall radiator cap.
KBIA0163E
: 7.8 - 11.8 N·m (0.8 -1.2 kg-m , 69 - 104 in-lb)
Engine coolant capacity (With reservoir tank):
Approx. 7.1 (6-1/4 Imp qt)
SMA182B
Reservoir tank:
0.6 (1/2 lmp qt )
SMA412B

SERVICE DATA AND SPECIFICATIONS (SDS)
CO-23
[QR20DE]
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SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
CapacityEBS009SL
ThermostatEBS009SM
Water Control ValveEBS009SN
RadiatorEBS009SO
Unit:kPa(bar,kg/cm2,psi)
Tightening TorqueEBS009SP
Unit: N·m (kg-m, ft-lb) Nm(kg-m, in-lb)* Coolant capacity [With reservoir tank (MAX level)]
Approximately 7.1 (6-1/4 Imp qt)
Valve opening temperature 80.5 - 83.5°C (177 - 182°F)
Valve liftMore than 8 mm/ 95°C (0.315 in/203°F)
Valve opening temperature 93.5 - 96.5°C (200 - 206°F)
Valve lift More than 8 mm/108°C (0.315 in/226°F)
Cap relief pressureStandard 78 - 98 (0.78 - 0.98, 0.8 -1.0, 11- 14)
Limit 59 (0.59, 0.6, 9)
Leakage test pressure 157 (1.57, 1.6, 23)
Radiator mounting bracket
Radiator fan assembly
Fan
Fan motor3.8 - 4.5 (0.39 - 0.46, 34 - 39)*
3.8 - 4.5 (0.39 - 0.46, 34 - 39)*
2.9 - 3.9 (0.30 - 0.40, 26 - 34)*
3.9 - 4.9 (0.40 - 0.50, 35 - 43)*
Water pum p
Water pump housing
Water inlet
Water outlet
Water pipet
Hater pip
Water temperature sensor20.8 - 28.2 (2.1 - 2.9, 16- 20)
20.8 - 28.2 (2.1 - 2.9, 16 - 20)
20.8 - 28.2 (2.1 - 2.9, 16- 20)
20.8 - 28.2 (2.1 - 2.9, 16 - 20)
20.8 - 28.2 (2.1 - 2.9, 16 - 20)
20.8 - 28.2 (2.1 - 2.9, 16 - 20)
19.6 - 29.4 (2.0 - 3.0, 14- 22)

ENGINE COOLANT
CO-31
[YD22DDTi]
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3. Open drain plugs on cylinder block and air relief plug.
4. Check drained coolant for contaminants such as rust, corrosion
or discoloration.
If contaminated, flush engine cooling system. Refer toCO-32,
"FLUSHING COOLING SYSTEM".
REFILLING ENGINE COOLANT
1. Install reservoir tank, radiator drain plug and cylinder block drain plug.
Apply sealant to the thread of cylinder block drain plug.
lUse Genuine Liquid Gasket or equivalent.
2. Fill radiator slowly with coolant until coolant spills from the air
relief plugs, then install air relief plugs.
CAUTION:
If the filling rate is too fast, this could lead to air being
mixed in the coolant. Be sure to fill the coolant slowly
according to the rate indicated above.
lReplace the copper washer of the air bleeding plug.
lUse genuine Nissan anti-freeze coolant or equivalent mixed with water (distilled or demineralized).
Refer toMA-17, "
RECOMMENDED FLUIDS AND LUBRICANTS".
lPour coolant through coolant filler neck slowly of less than 2 (1-3/4 lmp qt) a minute to allow air
in system to escape.
SBIA0129E
SBIA0130E
: 7.8 - 11.8 N·m (0.8 -1.2 kg-m , 69 - 104 in-lb)
Air relief plug :
: 6.7 - 7.9 N·m (0.68 - 0.81 kg-m, 59 - 70 in-lb)
Engine coolant capacity (With reservoir tank):
9.5 ( 8-3/8 Imp qt)
SMA182B
Reservoir tank : 0.6 (1/2 lmp qt )

CO-44
[YD22DDTi]
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
PFP:00030
Standard and LimitEBS00CU0
CAPACITY
THERMOSTAT
RADIATOR
Unit:kPa(bar,kg/cm2,psi)
Tightening TorqueEBS00BKE
Unit: N·m (kg-m, ft-lb), N·m (kg-m, in-lb)* Engine coolant capacity [With reservoir tank (MAX level)]
9.5 (8-3/8 Imp qt)
Valve opening temperature 80 - 84°C (176 - 183°F)
Valve liftMore than 10 mm/ 95°C (0.39 in/203°F)
Cap relief pressureStandard 78 - 98 (0.78 - 0.98, 0.8 - 1.0, 11 - 14)
Limit 59 (0.59, 0.6, 9)
Leakage test pressure 157 (1.57, 1.6, 23)
Radiator mounting bracket
Radiator fan assembly
Radiator fan
Radiator fan motor3.9 - 4.5 (0.39 - 0.46, 34 - 39)*
3.9 - 4.5 (0.39 - 0.46, 34 - 39)*
2.9 - 3.9 (0.30 - 0.40, 26 - 34)*
4.0 - 4.9 (0.40 - 0.50, 35 - 43)*
Water pum p
Water pump pully
Water inlet
Thermostat housing
Water inlet pipe
Hater return pipe23.0 - 30.0 (2.3 - 3.1, 17 - 22)
7.3 - 9.6 (0.74 - 0.98, 65 - 85)*
21.0 - 28.0 (2.1 - 2.9, 16 - 20)
21.0 - 28.0 (2.1 - 2.9, 16 - 20)
21.0 - 28.0 (2.1 - 2.9, 16 - 20)
21.0 - 28.0 (2.1 - 2.9, 16 - 20)

FL-16
[YD22DDTi]
FUEL FILTER
Air Bleeding
EBS00BLB
After fuel filter is replaced and after fuel system components are
removed/installed, bleed air from fuel path as follows:
1. Move priming pump up and down to bleed air from fuel path.
2. When air is bled, pumping of priming pump becomes heavy stop
operation at that time.
3. Crank the engine until it starts. Do not crank the engine for more
than 30 seconds.
4. If the engine does not starts, stop cranking and repeat step 1
above.
5. If the engine does not operate smoothly after it has started, race
it two or three times.
6. If air cannot be bled easily (pumping of priming pump does not become heavy), disconnect feed-side of
hose between fuel filter and electronically controlled fuel injection pump. After that, operate priming pump
and confirm that fuel comes out.
CAUTION:
Prepare a tray to collect fuel. Prevent fuel from adhering to rubber parts, especially the engine mount
insulator.
Draining WaterEBS00BLC
1. Prepare a tray at the drain hose open end.
2. Loosen drain cock, and operate priming pump to drain water
from fuel filter.
CAUTION:
lCoolant in filter is drained with fuel. Prepare larger capacity
pan than fuel filter volum.
lDrained coolant is mixed with fuel. Prevent fuel from adher-
ing to rubber parts such as engine mount insulator.
3. After draining, close drain cock by hand.
CAUTION:
If drain cock is tightened excessively, it may be damaged and
fuel will leak. Do not use tools to tighten drain cock.
4. Bleed air in fuel piping. Refer toFL-16, "
Air Bleeding".
5. Start engine.
SBIA0137E
SBIA0138E

RECOMMENDED FLUIDS AND LUBRICANTS
MA-17
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RECOMMENDED FLUIDS AND LUBRICANTSPFP:00000
Fluids and LubricantsELS000C8
*1: For further details, see “SAE Viscosity Number”.
*2: Never use API CG-4.
*3: Use Genuine Nissan Anti-freeze Coolant (L2N)] or equivalent in its quality, in order to avoid possible aluminum corrosion within the
engine cooling system caused by the use of non-genuine engine coolant.
Note that any repairs for the incidents within the engine cooling system while using non-genuine engine coolant may not be
covered by the warranty even if such incidents occurred during the warranty period.
*4: Contact a Nissan dealership for more information regarding suitable fluids, including recommended brand(s) of Dexron
TMIII/Mer-
conTMAutomatic Transmission Fluid.
*5: Never mix different types of fluids (DOT 3 and DOT 4).Capacity (Approximate)
Recommended Fluids/Lubricants
Liter Imp measure
Engine oil
Drain and refillWith oil filter
changeQR20DE 3.9 3-3/8 qt
lGasoline engine
API SG, SH or SJ*1
ILSAC grade GF-I or GF-II*1
ACEA 96-A2
lDiesel engine
API CF-4*1, *2
ACEA 98-B1 YD22DDTi 5.2 4-5/8 qt
Without oil filter
changeQR20DE 3.5 3-1/8 qt
YD22DDTi 4.9 4-3/8 qt
Dry engine (engine overhaul)QR20DE 4.5 4 qt
YD22DDTi 6.3 5-1/2 qt
Cooling system (with reservoir)QR20DE 7.1 6-1/4 qt
lGenuine Nissan Anti-freeze Coolant (L2N) or
equivalent in its quality*3 YD22DDTi 9.5 8-3/8 qt
Reservoir tankQR20DE 0.6 1/2 qt
YD22DDTi 0.6 1/2 qt
Manual transaxle gear oil
2.3 4pt
lGenuine Nissan gear oil or API GL-4, Viscosity
SAE 75W-85
Transfer gear oil 0.31 1/2 pt
lAPI GL-5*1, Viscosity SAE 80W-90
Differential gear oil 0.55 1 pt
lAPI GL-5*1, Viscosity SAE 80W-90
Automatic transaxle fluid 8.0 7.01 pt Genuine Nissan ATF or equivalent*4
Power steering fluid — —
Ty p e D e x r o n
TMIII or equivalent
Brake and clutch fluid — —
lDOT 3 or DOT 4 (US FMVSS No. 116)*5
Multi-purpose grease — — NLGI No. 2 (Lithium soap base)

ENGINE MAINTENANCE (QR20DE)
MA-21
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2. Open drain plugs on cylinder block.
3. Remove reservoir tank and drain coolant.
4. Check drained coolant for contaminants such as rust, corrosion
or discoloration.
If contaminated, flush engine cooling system. Refer toMA-21,
"FLUSHING COOLING SYSTEM".
REFILLING ENGINE COOLANT
1. Install reservoir tank, radiator drain plug and cylinder block drain plug.
Apply sealant to the thread of cylinder block drain plug.
lUse Genuine Liquid Gasket or equivalent.
2. Fill radiator and reservoir tank to specified level.
lUse genuine Nissan anti-freeze coolant or equivalent mixed
with water (distilled or demineralized).
Refer toMA-17, "
RECOMMENDED FLUIDS AND LUBRI-
CANTS".
lPour coolant slowly of less than 2 (2-1/8US qt,1-3/4 lmp
qt) a minute to allow air in system to escape.
3. Warm up engine to normal operating temperature without radia-
tor cap installed.
lIf coolant overflows radiator filler hole, install filler cap.
4. Run engine at 3,000 rpm for 10 seconds and return to idle speed
with radiator cap installed.
lRepeat two or three times.
Watch coolant temperature gauge so as not to overheat the engine.
5. Stop engine and cool down to less than approximately 50°C(122°F).
lCool down using a fan to reduce the time.
lIf necessary, refill radiator up to filler neck with coolant.
6. Refill reservoir tank to MAX level line with coolant.
7. Repeat steps 5 through 7 two or more times with radiator cap installed until coolant level no longer drops.
8. Check cooling system for leaks with engine running.
9. Warm up engine, and check for sound of coolant flow while running engine from idle up to 3,000 rpm with
heater temperature controller set at several position between COOL and WARM.
lSound may be noticeable at heater unit.
10. If sound is heard, bleed air from cooling system by repeating steps 5 through 7 until coolant level no
longer drops.
lClean excess coolant from engine.
FLUSHING COOLING SYSTEM
1. Fill radiator and reservoir tank with water and reinstall radiator cap.
KBIA0163E
: 7.8 - 11.8 N·m (0.8 -1.2 kg-m , 69 - 104 in-lb)
Engine coolant capacity (With reservoir tank):
Approx. 7.1 (6-1/4 Imp qt)
SMA182B
Reservoir tank:
0.6 (1/2 lmp qt )
SMA412B

MA-24
ENGINE MAINTENANCE (QR20DE)
Changing Engine Oil
ELS000AS
WAR NIN G:
lBe careful not to burn yourself, as the engine oil is hot.
lProlonged and repeated contact with used engine oil may
cause skin cancer; try to avoid direct skin contact with
used oil. If skin contact is made, wash thoroughly with soap
or hand cleaner as soon as possible.
1. Warm up engine, and check for oil leakage from engine compo-
nents.
2. Stop engine and wait for 10 minutes.
3. Remove drain plug and oil filler cap.
4. Drain oil.
5. Install drain plug and refill with new engine oil.
Oil specification and viscosity:
lAPI grade SG, SH or SJ.
lILSAC grade GF-I or GF-II
lRefer toMA-19, "Engine Coolant Mixture Ratio".
Oil capacity (Approximate):
Unit: liter (lmp qt)
CAUTION:
lBe sure to clean drain plug and install with new washer.
lThe refill capacity depends on the oil temperature and drain time. Use these specifications for ref-
erence only.
lAlways use the dipstick to determine when the proper amount of oil is in the engine.
6. Warm up engine and check area around drain plug and oil filter for oil leakage.
7. Stop engine and wait for 10 minutes.
8. Check oil level. Refer toLU-7, "
ENGINE OIL".
Changing Oil FilterELS000AT
1. Open the oil filter installation/removal cover on the under cover.
2. Using an oil filter wrench, remove the oil filter.
CAUTION:
lThe oil filter is provided with a relief valve.
Use genuine NISSAN oil filter or equivalent.
lBe careful not to get burned when the engine and engine oil
are hot.
lWhen removing, prepare a shop cloth to absorb any oil
leakage or spillage.
lDo not allow engine oil to adhere to the drive belts.
lCompletely wipe off any oil that adhere to the engine and
the vehicle.
3. Remove foreign materials adhering to the oil filter installation surface.
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)
KBIA0303E

MA-28
ENGINE MAINTENANCE (YD22DDTI)
REFILLING ENGINE COOLANT
1. Install reservoir tank, radiator drain plug and cylinder block drain plug.
Apply sealant to the thread of cylinder block drain plug.
lUse Genuine Liquid Gasket or equivalent.
2. Fill radiator slowly with coolant until coolant spills from the air
relief plugs, then install air relief plugs.
CAUTION:
If the filling rate is too fast, this could lead to air being
mixed in the coolant. Be sure to fill the coolant slowly
according to the rate indicated above.
lReplace the copper washer of the air bleeding plug.
lUse genuine Nissan anti-freeze coolant or equivalent mixed with water (distilled or demineralized).
Refer toMA-17, "
RECOMMENDED FLUIDS AND LUBRICANTS".
lPour coolant through coolant filler neck slowly of less than 2 (1-3/4 lmp qt) a minute to allow air
in system to escape.
3. Fill reservoir tank to specified level.
4. Warm up engine to normal operating temperature without radia-
tor cap installed.
lIf coolant overflows radiator filler hole, install filler cap.
5. Run engine at 3,000 rpm for 10 seconds and return to idle speed
with radiator cap installed.
lRepeat two or three times.
Watch coolant temperature gauge so as not to overheat the
engine.
6. Stop engine and cool down to less than approximately
50°C(122°F).
lCool down using a fan to reduce the time.
lIf necessary, refill radiator up to filler neck with coolant.
7. Refill reservoir tank to MAX level line with coolant.
8. Repeat steps 5 through 7 two or more times with radiator cap installed until coolant level no longer drops.
9. Check cooling system for leaks with engine running.
SBIA0130E
: 7.8 - 11.8 N·m (0.8 -1.2 kg-m , 69 - 104 in-lb)
Air relief plug :
:6.7-7.9N·m(0.68-0.81kg-m,59-70in-lb)
Engine coolant capacity (With reservoir tank):
9.5 ( 8-3/8 Imp qt)
SMA182B
Reservoir tank : 0.6 (1/2 lmp qt )
SMA412B