Nissan March K13. Instruction — part 63
CO-16
< REMOVAL AND INSTALLATION >
[HR12DE]
RADIATOR
• The angle (a) created by the hose clamp pawl and the specified
line (A) must be within
±
30
°
as shown in the figure.
• To install hose clamps (1), check that the dimension (A) from the
end of the hose clamp (1) on the radiator hose to the hose clamp is
within the reference value.
Inspection
INFOID:0000000005988464
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.
a.
45
°
Vehicle upper
JPBIA3203ZZ
JSBIA0240ZZ
Dimension “A”
(+3) – (+7)mm
JPBIA3527ZZ
COOLING FAN
CO-17
< REMOVAL AND INSTALLATION >
[HR12DE]
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COOLING FAN
Exploded View
INFOID:0000000005988465
Removal and Installation
INFOID:0000000005988466
REMOVAL
1.
Drain engine coolant from radiator. Refer to
.
CAUTION:
• Perform this step engine is cold.
• Never spill engine coolant on drive belt.
2.
Remove air duct (inlet). Refer to
EM-24, "Removal and Installation"
3.
Disconnect reservoir tank hose radiator side, and remove reservoir tank.
4.
Remove radiator hose (upper). Refer to
.
5.
Disconnect harness connector from fan motor, and move harness to aside.
6.
Remove cooling fan assembly.
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 fan is controlled by ECM. For details, Refer to following.
• HR12DE (TYPE 1):
EC-38, "COOLING FAN CONTROL : System Description"
• HR12DE (TYPE 2):
EC-343, "COOLING FAN CONTROL : System Description"
Disassembly and Assembly
INFOID:0000000005988467
DISASSEMBLY
1.
Remove cooling fan mounting nut, and then remove the cooling fan.
1.
Cooling fan
2.
Fan motor
3.
Fan shroud
A.
Apply on fan motor shaft
: Apply genuine high strength thread locking sealant or equivalent.
for symbols not described on the above.
JPBIA3464GB
CO-18
< REMOVAL AND INSTALLATION >
[HR12DE]
COOLING FAN
2.
Remove fan motor.
ASSEMBLY
Note the following, and assemble in the reverse order of disassembly.
• Apply genuine high strength thread locking sealant on fan motor shaft.
Inspection
INFOID:0000000005988468
INSPECTION AFTER DISASSEMBLY
Cooling Fan
Inspect cooling fan for crack or unusual bend.
• If anything is found, replace cooling fan.
WATER PUMP
CO-19
< REMOVAL AND INSTALLATION >
[HR12DE]
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WATER PUMP
Exploded View
INFOID:0000000005988469
Removal and Installation
INFOID:0000000005988470
REMOVAL
1.
Drain engine coolant from radiator. Refer to
.
CAUTION:
• Perform this step when the engine is cold.
• Never spill engine coolant on drive belt.
2.
Steer front wheel to the right.
3.
Remove front fender protector (RH). Refer to
DLK-221, "Removal and Installation"
.
4.
Loosen mounting bolts of water pump pulley before loosening belt tension of drive belt.
5.
Remove drive belt. Refer to
EM-19, "Removal and Installation"
.
6.
Remove water pump pulley.
7.
Remove water pump.
• Loosen mounting bolts in reverse order as shown in the figure.
• Engine coolant will leak from cylinder block, so have a recep-
tacle 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:0000000005988471
INSPECTION AFTER REMOVAL
1.
Gasket
2.
Water pump
3.
Water pump pulley
Refer to
PBIC3807E
KBIA3393J
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