Nissan X-Trail 32. Manual - part 299

CO-22

< REMOVAL AND INSTALLATION >

[MR20DD]

COOLING FAN

How to select vehicle type: refer to 

DLK-22, "Information"

.

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 

DLK-22, "Information"

.

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

Description"

.

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

DLK-297, "Exploded View"

2

DLK-605, "Exploded View"

3

DLK-768, "Exploded View"

4

DLK-910, "Exploded View"

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 

CO-13, "Draining"

.

CAUTION:

Perform this step when the engine is cold.

3.

Remove front wheel (RH). Refer to 

WT-61, "Exploded View"

.

4.

Remove front fillet molding (RH). Refer to 

EXT-32, "FRONT FILLET MOLDING : Removal and Installa-

tion"

.

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 

CO-13, "Inspection"

.

• Start and warm up the engine. Check visually that there is no leakage of engine coolant.

PBIC3313J