Nissan X-Trail 32. Instruction — part 299
CO-22
< REMOVAL AND INSTALLATION >
[MR20DD]
COOLING FAN
How to select vehicle type: refer to
.
8.
Disconnect harness connector from fan motor (RH and LH), and move harness to aside.
9.
Remove mounting bolts
and clips
of mounting bracket
.
10. Remove radiator core support upper. Refer to folloing table:
How to select vehicle type: refer to
.
11. Remove mounting bracket.
12. Remove cooling fan assembly according to the following instructions:
a.
Lift cooling fan assembly and disconnect the lower mount.
b.
Move cooling fan assembly
to rightward of vehicle (
1) and
lift (
2) the right side to remove it.
CAUTION:
Be careful not to damage or scratch on radiator core when
removing.
INSTALLATION
Note the following, and install in the reverse order of removal.
CAUTION:
Only use genuine parts for fan shroud mounting bolt and observe the specified torque (to prevent
radiator from being damaged).
NOTE:
Cooling fans are controlled by ECM. For details. Refer to
EC-57, "COOLING FAN CONTROL : System
.
Disassembly and Assembly
INFOID:0000000010782940
DISASSEMBLY
1.
Remove cooling fan mounting nuts, and then remove the cooling fans (RH and LH).
2.
Remove fan motors (RH and LH).
TYPE
Reference
1
2
3
4
JPBIA6842ZZ
TYPE
Reference
2
DLK-572, "MR20DD : Exploded View"
4
DLK-876, "MR20DD : Exploded View"
JPBIA6843ZZ
COOLING FAN
CO-23
< REMOVAL AND INSTALLATION >
[MR20DD]
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ASSEMBLY
Note the following, and assemble in the reverse order of disassembly.
CAUTION:
RH and LH cooling fans are different. Be careful not to misassemble them.
• Install each fan in the following position.
• Secure the harness to the fan shroud to prevent the fan rotation area from being loose.
• Apply high thread locking sealant on fan motor shaft.
Inspection
INFOID:0000000010782941
INSPECTION AFTER DISASSEMBLY
Cooling Fan
Inspect cooling fan for crack or unusual bend.
• If anything is found, replace cooling fan.
Right side
: 9 blades
Left side
: 7 blades
CO-24
< REMOVAL AND INSTALLATION >
[MR20DD]
WATER PUMP
WATER PUMP
Exploded View
INFOID:0000000010782942
Removal and Installation
INFOID:0000000010782943
REMOVAL
1.
Remove engine under cover. Refer to
EXT-39, "ENGINE UNDER COVER : Exploded View"
2.
Drain engine coolant from radiator. Refer to
.
CAUTION:
Perform this step when the engine is cold.
3.
Remove front wheel (RH). Refer to
4.
Remove front fillet molding (RH). Refer to
EXT-32, "FRONT FILLET MOLDING : Removal and Installa-
5.
Remove front fender protector. Refer ro
EXT-35, "FENDER PROTECTOR : Removal and Installation"
6.
Remove drive belts. Refer to
EM-22, "Removal and Installation"
7.
Remove water pump.
• Engine coolant leakage from cylinder block, so have a receptacle ready below.
CAUTION:
• Handle water pump vane so that it does not contact any other parts.
• Water pump cannot be disassembled and should be replaced as a unit.
INSTALLATION
Install in the reverse order of removal.
Inspection
INFOID:0000000010782944
INSPECTION AFTER REMOVAL
Pulley
Water pump
Gasket
: Always replace after every disassembly.
: N·m (kg-m, ft-lb)
: N·m (kg-m, in-lb)
JSBIA1603GB
WATER PUMP
CO-25
< REMOVAL AND INSTALLATION >
[MR20DD]
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• Check visually that there is no significant dirt or rusting on water
pump body and vane
.
• Check that there is no looseness in vane shaft, and that it turns
smoothly when rotated by hand.
• Replace water pump, if necessary.
INSPECTION AFTER INSTALLATION
• Check for leakage of engine coolant using the radiator cap tester adapter (commercial service tool) and the
radiator cap tester (commercial service tool). Refer to
• Start and warm up the engine. Check visually that there is no leakage of engine coolant.
PBIC3313J
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