Nissan March K13. Manual - part 63

 

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Nissan March K13. Manual - 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 

CO-9, "Inspection"

.

• 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]

C

D

E

F

G

H

I

J

K

L

M

A

CO

N

P

O

COOLING FAN

Exploded View

INFOID:0000000005988465

Removal and Installation

INFOID:0000000005988466

REMOVAL

1.

Drain engine coolant from radiator. Refer to 

CO-9, "Draining"

.

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 

CO-14, "Exploded View"

.

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.

Refer to 

GI-4, "Components"

 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]

C

D

E

F

G

H

I

J

K

L

M

A

CO

N

P

O

WATER PUMP

Exploded View

INFOID:0000000005988469

Removal and Installation

INFOID:0000000005988470

REMOVAL

1.

Drain engine coolant from radiator. Refer to 

CO-9, "Draining"

.

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 

GI-4, "Components"

 for symbols in the figure.

PBIC3807E

KBIA3393J

 

 

 

 

 

 

 

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