Page 369 of 4179
COOLING FAN
CO-37
[YD22DDTi]
C
D
E
F
G
H
I
J
K
L
MA
CO
Assembly
Assemble in the reverse order of disassembly.
Page 370 of 4179
CO-38
[YD22DDTi]
RADIATOR (ALUMINUM TYPE)
RADIATOR (ALUMINUM TYPE)PFP:21460
Disassembly and AssemblyEBS00BB3
PREPARATION
1. Attach the spacer to the tip of the radiator plate pliers A (special
service tool).
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 (special service tool)
are closed dimension H′′ is approx. 7.6 mm (0.299 in).
3. Adjust dimension H′′ with the spacer, if necessary.
DISASSEMBLY
1. Remove upper or lower tanks with radiator plate pliers B (special
service tool).
1. Upper tank 2. Sealing rubber 3. Core
4. Lower tank
PBIC2075E
SLC655C
SLC903
Page 371 of 4179
RADIATOR (ALUMINUM TYPE)
CO-39
[YD22DDTi]
C
D
E
F
G
H
I
J
K
L
MA
CO
Grip the crimped edge and bend it upwards so that radiator
plate pliers B slips off.
CAUTION:
Do not bend excessively.
In areas where radiator plate pliers B cannot be used, use a
screwdriver to bend the edge up.
CAUTION:
Be careful not to damage tank.
2. Remove sealing rubber.
3. Make sure the edge stands straight up.
ASSEMBLY
1. Clean contact portion of tank.
SLC893
SLC930
SLC931
SLC932
Page 372 of 4179
CO-40
[YD22DDTi]
RADIATOR (ALUMINUM TYPE)
2. Install sealing rubber while pushing it with fingers.
CAUTION:
Be careful not to twist sealing rubber.
3. Caulk tank in numerical order as shown in the figure with radia-
tor plate pliers A (special service tool).
Use pliers in the locations where radiator plate pliers A cannot
be used.
4. Make sure that the rim is completely crimped down.
5. Make sure that there is no leakage.
Refer to CO-41, "
INSPECTION" .
SLC917A
SLC904
PBIC2076E
SLC897
Standard height “H”: 8.0 - 8.4 mm (0.315 - 0.331 in)
SLC554A
Page 373 of 4179
RADIATOR (ALUMINUM TYPE)
CO-41
[YD22DDTi]
C
D
E
F
G
H
I
J
K
L
MA
CO
INSPECTION
1. Apply pressure with the radiator cap tester adapter (special ser-
vice tool) and the radiator cap tester (commercial service tool).
WARNING:
To prevent the risk of hose coming undone while under
pressure, securely fasten it down with hose clamp.
2. Check for leakage by soaking radiator in water container with
the testing pressure applied.Testing pressure
: 157 kPa (1.57 bar, 1.6 kg/cm
2 , 23 psi)
SLC933
SLC934
Page 374 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual CO-42
[YD22DDTi]
WATER PUMP
WATE R P U M PPFP:21020
Removal and InstallationEBS00BB4
WARNING:
Do not remove radiator cap when the engine is hot. Serious burns could occur from high pressure
engine NISSAN X-TRAIL 2003 Service Repair Manual CO-42
[YD22DDTi]
WATER PUMP
WATE R P U M PPFP:21020
Removal and InstallationEBS00BB4
WARNING:
Do not remove radiator cap when the engine is hot. Serious burns could occur from high pressure
engine](/manual-img/5/57404/w960_57404-373.png)
CO-42
[YD22DDTi]
WATER PUMP
WATE R P U M PPFP:21020
Removal and InstallationEBS00BB4
WARNING:
Do not remove radiator cap when the engine is hot. Serious burns could occur from high pressure
engine coolant escaping from the radiator.
REMOVAL
1. Remove RH engine undercover.
2. Remove drive belt. Refer to EM-131, "
DRIVE BELTS" .
3. Drain engine coolant. Refer to CO-31, "
DRAINING ENGINE COOLANT" .
CAUTION:
Perform when engine is cold.
4. Support the bottom of oil pan with a floor jack etc, and remove RH engine mounting insulator (front side of
engine). Refer to EM-208, "
ENGINE ASSEMBLY" .
5. Remove water pump pulley.
Loosen the pulley bolts after fixing the pulley using a screwdriver etc.
6. Remove RH engine mounting bracket.
7. Remove water pump.
Engine coolant will leak from cylinder block, so have a receptacle ready below.
CAUTION:
Handle the water pump vane so that it does not contact any other parts.
Water pump cannot be disassembled and should be replaced as a unit.
1. Gasket 2. Water pump 3. RH engine mounting bracket
4. Water pump pulley
PBIC2384E
Page 375 of 4179
WATER PUMP
CO-43
[YD22DDTi]
C
D
E
F
G
H
I
J
K
L
MA
CO
INSPECTION AFTER REMOVAL
Visually check if there is no significant dirt or rusting on the
water pump body and vane.
Make sure that there is no looseness in the vane shaft, and that
it turns smoothly when rotated by hand.
If there are any unusualness, replace water pump assembly as
necessary.
INSTALLATION
Install in the reverse order of removal.
Install water pump pulley with the front mark (painted white, used to prevent errors during assembly) fac-
ing the front of engine. Refer to CO-42, "
WATER PUMP" .
INSPECTION AFTER INSTALLATION
Check for leaks of engine coolant using the radiator cap tester adapter (special service tool:
EG17650301) and the radiator cap tester (commercial service tool). Refer to CO-31, "
CHECKING RADIA-
TOR SYSTEM FOR LEAKS" .
Start and warm up engine. Visually check if there is no leaks of engine coolant.
SBIA0132E
Page 376 of 4179
CO-44
[YD22DDTi]
THERMOSTAT AND WATER PIPING
THERMOSTAT AND WATER PIPINGPFP:21200
Removal and InstallationEBS00BK9
WARNING:
Do not remove radiator cap when engine is hot. Serious burns could occur from high pressure engine
coolant escaping from radiator.
REMOVAL
1. Remove engine undercover.
2. Drain engine coolant. Refer to CO-31, "
DRAINING ENGINE COOLANT" .
CAUTION:
Perform when engine is cold.
3. Remove radiator hose (lower) from water inlet side. Refer to CO-34, "
RADIATOR" .
4. Remove water inlet and thermostat.
5. Remove thermostat housing.
1. Heater return pipe 2. Gasket 3. Thermostat housing
4. Thermostat 5. Rubber ring 6. Water inlet
7. Water inlet pipe 8. Radiator hose (lower)
PBIC2018E