Nissan X-Trail 32. Manual - part 304

CO-42

< PERIODIC MAINTENANCE >

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RADIATOR

RADIATOR

RADIATOR CAP

RADIATOR CAP : Inspection

INFOID:0000000010782966

• Check valve seat 

 of radiator cap. 

- Check that valve seat is swollen to the extent that the edge of the

plunger 

 cannot be seen when watching it vertically from the top.

- Check that valve seat has no soil and damage.
- Check that there is no dirt or damage on the valve seat of radiator

cap negative-pressure valve. 

- Check that there are no unusualness in the opening and closing

conditions of negative-pressure valve.

• Check radiator cap relief pressure.

- When connecting radiator cap to the radiator cap tester (commer-

cial service tool) (A) and the radiator cap tester adapter (commer-
cial service tool) (B), apply engine coolant to the cap seal surface. 

• Replace radiator cap if there is an unusualness related to the above three.

CAUTION:

When installing radiator cap, thoroughly wipe out the radiator filler neck to remove any waxy residue
or foreign material.

RADIATOR

RADIATOR : Inspection

INFOID:0000000010782967

Check radiator for mud or clogging. If necessary, clean radiator as follows.

CAUTION:

• Be careful not to bend or damage radiator fins.
• When radiator is cleaned without removal, remove all surrounding parts such as radiator cooling fan

assembly and horns. Then tape harness and harness connectors to prevent water from entering.

1.

Apply water by hose to the back side of the radiator core vertically downward.

2.

Apply water again to all radiator core surfaces once per minute.

3.

Stop washing if any stains no longer flow out from radiator.

4.

Blow air into the back side of radiator core vertically downward.
• Use compressed air lower than 490 kPa (4.9 bar, 5 kg/cm

2

, 71 psi) and keep distance more than 30 cm

(11.8 in). 

5.

Blow air again into all the radiator core surfaces once per minute until no water sprays out.

JPBIA1961ZZ

Standard and Limit

: Refer to 

CO-55, "Radiator"

.

PBIC5122J

RADIATOR

CO-43

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REMOVAL AND INSTALLATION

RADIATOR

Exploded View

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REMOVAL

Removal and Installation

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REMOVAL

WARNING:

• Never remove radiator cap when engine is hot. Serious burns may occur from high-pressure engine

coolant escaping from radiator. 

Reservoir tank cap

Reservoir tank

Reservoir tank hose

Clip

Mounting bracket

Mounting rubber (upper)

Radiator cap

Side seal

Side seal

Radiator

Mounting rubber (lower)

O-ring

Drain plug

Side seal

Clamp

Radiator hose (lower)

Clamp

Radiator hose (upper)

Cooling fan assembly

To water outlet

To water inlet

Not applicable

: Always replace after every disassembly.

: N·m (kg-m, in-lb)

JSBIA4998GB

CO-44

< REMOVAL AND INSTALLATION >

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RADIATOR

• Wrap a thick cloth around the radiator cap. Slowly turn it a quarter of a turn to release built-up pres-

sure. Then turn it all the way.

NOTE:
When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spill-
ing.
1.

Remove engine under cover. Refer to 

EXT-39, "ENGINE UNDER COVER : Exploded View"

.

2.

Drain engine coolant from radiator. Refer to 

CO-39, "Draining"

.

CAUTION:

• Perform this step when the engine is cold.
• Never spill engine coolant on drive belts.

3.

Remove radiator hose (lower) from radiator.

4.

Remove air duct 1 and air duct 2. Refer to 

EM-175, "Removal and Installation"

.

5.

Remove battery and battery bracket. Refer to 

PG-140, "EXCEPT FOR R9M : Exploded View"

.

6.

Remove radiator hose (upper) from radiator.

CAUTION:

Never spill engine coolant on drive belt.

7.

Remove cooling fan assembly. Refer to 

CO-47, "Removal and Installation"

.

8.

Remove condenser 

 from radiator 

, and move it frontward.

CAUTION:

• Be careful not to damage condenser core.
• Minimize the moving distance of condenser to prevent

load to air conditioner piping.

9.

Remove radiator 

 from the clearance between condenser 

and upper radiator core support.

CAUTION:

• Be careful not to damage radiator core.
• Minimize the moving distance of condenser to prevent

load to air conditioner piping.

INSTALLATION

Note the following, and install in the reverse order of removal.

Radiator hose

CAUTION:

• Use genuine mounting bolts for the cooling fan assembly and strictly observe the tightening torque.

(Breakage prevention for radiator)

NOTE:
• Insert the radiator hose 

 all the way to the stopper 

 or by 33 mm (1.30 in) (hose without a stopper).

: Mount

JPBIA6840ZZ

: Radiator moving direction

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RADIATOR

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• For the orientation of the hose clamp pawl, refer to the figure.

*Refer to the illustrations for the specific position each hose clamp tab.

Unit: mm (in)

Radiator side

Engine side

JPBIA4294GB

Radiator hose

Hose end

Paint mark

Position of hose clamp*

: Vehicle upper

Radiator hose (upper)

Radiator side

Upper

Engine side

Upper 

Radiator hose (lower)

Radiator side

Lower

Engine side

Front

JPCIA0366ZZ

JPCIA0362ZZ

JPCIA0363ZZ

JSBIA4312ZZ

JPCIA0365ZZ