Page 1025 of 3066
RADIATOR (ALUMINUM TYPE)
CO-15
[QR20DE]
C
D
E
F
G
H
I
J
K
L
MA
CO
RADIATOR (ALUMINUM TYPE)PFP:21460
Disassembly and AssemblyEBS009SI
PREPARATION
1. Attach the spacer to the tip of the radiator plate pliers A.
Spacer specification: 1.5 mm (0.059 in) thick x 18 mm (0.71 in)
wide x 8.5 mm (0.335 in) long.
2. Make sure that when radiator plate pliers A are closed dimen-
sion H¢¢is approx. 7.6 mm (0.299 in).
3. Adjust dimension H¢¢with the spacer, if necessary.
DISASSEMBLY
1. Remove tank with Tool.
SLC882AB
SLC655C
SLC903
Page 1026 of 3066
CO-16
[QR20DE]
RADIATOR (ALUMINUM TYPE)
lGrip the crimped edge and bend it upwards so that Tool slips
off.
Do not bend excessively.
lIn areas where Tool cannot be used, use a screwdriver to bend
the edge up.
Be careful not to damage tank.
2. Make sure the edge stands straight up.
3. Remove oil cooler from tank. (A/T model only)
ASSEMBLY
1. Install oil cooler. (A/T model only)
Pay attention to direction of conical washer.
SLC893
SLC930
SLC931
SLC894
Page 1027 of 3066
RADIATOR (ALUMINUM TYPE)
CO-17
[QR20DE]
C
D
E
F
G
H
I
J
K
L
MA
CO
2. Clean contact portion of tank.
3. Install sealing rubber.
Push it in with fingers.
Be careful not to twist sealing rubber.
4. Caulk tank in specified sequence with Tool.
lUse pliers in the locations where Tool cannot be used.
SLC932
SLC917A
SLC904
SLC896
SLC897
Page 1028 of 3066
CO-18
[QR20DE]
RADIATOR (ALUMINUM TYPE)
5. Make sure that the rim is completely crimped down.
6. Confirm that there is no leakage.
Refer to Inspection.
INSPECTION
1. Apply pressure with Tool.
WAR NIN G:
To prevent the risk of the hose coming undone while under
pressure, securely fasten it down with a hose clamp.
Attach a hose to the oil cooler as well. (A/T model only)
2. Check for leakage.Standard height “H” : 8.0 - 8.4 mm (0.315 - 0.331 in)
SLC554A
Specified pressure
value: 157 kPa (1.57 bar, 1.6 kg/cm2,
23 psi)
SLC933
SLC934
Page 1029 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual WATER PUMP
CO-19
[QR20DE]
C
D
E
F
G
H
I
J
K
L
MA
CO
WATER P UM PPFP:21020
Removal and InstallationEBS009SJ
WA RN ING:
Never remove the radiator cap when the engine is hot. Serious burns could occur fr NISSAN X-TRAIL 2003 Electronic Repair Manual WATER PUMP
CO-19
[QR20DE]
C
D
E
F
G
H
I
J
K
L
MA
CO
WATER P UM PPFP:21020
Removal and InstallationEBS009SJ
WA RN ING:
Never remove the radiator cap when the engine is hot. Serious burns could occur fr](/manual-img/5/57402/w960_57402-1028.png)
WATER PUMP
CO-19
[QR20DE]
C
D
E
F
G
H
I
J
K
L
MA
CO
WATER P UM PPFP:21020
Removal and InstallationEBS009SJ
WA RN ING:
Never remove the radiator cap when the engine is hot. Serious burns could occur from high pressure
coolant escaping from the radiator.
REMOVAL
Water Pump Removal
1. Drain coolant. Refer toCO-9, "DRAINING ENGINE COOLANT".
CAUTION:
Perform when the engine is cold.
2. Remove the following parts.
lEngine under cover
lAlternator, water pump and air compressor belt
Refer to drive beltEM-13, "
Removal and Installation".
3. Remove water pump.
lCoolant will leak from the cylinder block, so have a receptacle ready below.
CAUTION:
lHandle the water pump vane so that it does not contact any other parts.
lWater pump cannot be disassembled and should be replaced as a unit.
Water Pump Housing Removal
1. Perform step 1 and 2 of “Water Pump Removal”.
2. Remove alternator.
3. Remove oil level gauge.
CAUTION:
Plug the oil level gauge guide opening to prevent oil pan from entering foreign materials.
4. Remove bolts mounting water pipe.
5. Remove water pump housing.
Water Pipe Removal
1. Remove water pump housing.
KBIA0154E
1 Water pump 2 Gasket 3 Water pump housing
4 Water pipe
Page 1030 of 3066
CO-20
[QR20DE]
WATER PUMP
2. Remove exhaust manifold and three way catalyst assembly. Refer toEM-22, "EXHAUST MANIFOLD
AND THREE WAY CATALYST".
3. Remove water pipe.
INSPECTION AFTER REMOVAL
lVisually check that there is no significant dirt or rusting on the
water pump body and vane.
lCheck that there is no looseness in the vane shaft, and that it
turns smoothly when rotated by hand.
lIf there are any unusualness, replace the water pump assembly.
INSTALLATION
lInstall in the reverse order of removal
lWhen inserting water pipe end to cylinder block, apply a neutral detergent to o-ring. Then insert it immedi-
ately.
INSPECTION AFTER INSTALLATION
lCheck for coolant leaks using radiator cap tester. Refer toCO-9, "LEAK CHECK".
KBIA0155E
Page 1031 of 3066
THERMOSTAT AND WATER CONTROL VALVE
CO-21
[QR20DE]
C
D
E
F
G
H
I
J
K
L
MA
CO
THERMOSTAT AND WATER CONTROL VALVEPFP:21200
Removal and InstallationEBS009SK
WA RN ING:
Never remove the radiator cap when the engine is hot. Serious burns could occur from high pressure
coolant escaping from the radiator.
REMOVAL
Thermostat Removal
1. Drain engine coolant. Refer toCO-9, "DRAINING ENGINE COOLANT".
CAUTION:
Perform when the engine cold.
2. Disconnect radiator lower hose at water inlet side.
3. Remove water inlet and thermostat.
Water Control Valve Removal
1. Drain engine coolant. Refer toCO-9, "DRAINING ENGINE COOLANT".
2. Disconnect upper radiator hose, heater pipe and heater hose at water outlet side.
3. Remove water outlet.
4. Remove water control valve.
PBIC0239E
1 Thermostat 2 Water inlet 3 Water control valve
4 Water outlet 5 Heater hose 6 Engine coolant temperature sensor
7Heaterpipe
Page 1033 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual SERVICE DATA AND SPECIFICATIONS (SDS)
CO-23
[QR20DE]
C
D
E
F
G
H
I
J
K
L
MA
CO
SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
CapacityEBS009SL
ThermostatEBS009SM
Water Control ValveEBS009SN
RadiatorEB NISSAN X-TRAIL 2003 Electronic Repair Manual SERVICE DATA AND SPECIFICATIONS (SDS)
CO-23
[QR20DE]
C
D
E
F
G
H
I
J
K
L
MA
CO
SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
CapacityEBS009SL
ThermostatEBS009SM
Water Control ValveEBS009SN
RadiatorEB](/manual-img/5/57402/w960_57402-1032.png)
SERVICE DATA AND SPECIFICATIONS (SDS)
CO-23
[QR20DE]
C
D
E
F
G
H
I
J
K
L
MA
CO
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)