Nissan X-Trail 32. Manual - part 1565

MA-50

< PERIODIC MAINTENANCE >

ENGINE MAINTENANCE (R9M)

ENGINE COOLANT : Flushing

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1.

Install reservoir tank if removed and radiator drain plug 

. 

CAUTION:

Be sure to clean drain plug and install with new O-ring.

2.

Open radiator air relief plug 

. 

3.

Disconnect heater hose 

 at position (

) in the figure.

• Enhance heater as high as possible.

4.

Open air relief plug 

. 

5.

Fill reservoir tank with water.
• When engine coolant over flows opened radiator air relief plug, close air relief plug, and continue filling

the engine coolant.

• When engine coolant over flows opened water outlet air relief plug, close air relief plug, and continue fill-

ing the engine coolant.

• When engine coolant over flows disconnected heater hose, connect heater hose, and continue filling the

engine coolant.

6.

Install radiator cap.

7.

Run the engine and warm it up to normal operating temperature.

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ENGINE MAINTENANCE (R9M)

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8.

Rev the engine two or three times under no-load.

9.

Stop the engine and wait until it cools down.

10. Drain water from the system. Refer to 

CO-64, "Draining"

.

11. Repeat steps 1 through 10 until clear water begins to drain from radiator.

RESERVOIR TANK CAP

RESERVOIR TANK CAP : Inspection

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• Fit the adapter to the reservoir tank cap tester [SST: — (M.S. 554-

07)] (A) as shown.

• When connecting the reservoir tank cap to the reservoir tank cap

tester, apply water or LLC to the reservoir tank cap seal part.

• Check reservoir tank cap relief pressure.

• Replace the reservoir tank cap if the engine coolant passes

through it, or if any fur signs is detected.

CAUTION:

When installing reservoir tank cap, thoroughly wipe out the res-
ervoir tank filler neck to remove any waxy residue or foreign
material.

RADIATOR

RADIATOR : Inspection

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

CAUTION:

• Never bend or damage the radiator fins.
• When radiator is cleaned without removal, remove all surrounding parts such as radiator fan, radia-

tor shroud and horns. Then tape the harness and connectors to prevent water from entering.

1.

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

2.

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

3.

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

4.

Blow air into the back side of radiator core vertically downwards.

• Use compressed air lower than 490 kPa (4.9 bar 5 kg/cm

2

, 71psi) and keep distance more than 30 cm (11.8

in). 

5.

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

FUEL LINES

FUEL LINES : Inspection

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• Inspect fuel lines, fuel filler cap and fuel tank for improper attach-

ment, leakage, cracks, damage, loose connections, chafing or
deterioration.

• If necessary, repair or replace damaged parts.

FUEL FILTER

Standard: Refer to 

CO-85, "Radiator"

.

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: Engine

: Fuel line

: Fuel tank

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MA-52

< PERIODIC MAINTENANCE >

ENGINE MAINTENANCE (R9M)

FUEL FILTER : Draining Water from Fuel Filter

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1.

Connect drain hose (suitable hose) to the end of drain plug 

.

2.

Prepare a tray at the drain plug open end.

3.

Loosen drain plug, and operate priming pump to drain water
from fuel filter.

CAUTION:

• Water in filter is drained with fuel. Prepare larger capacity

pan than fuel filter volume.

• Drained water is mixed with fuel. Prevent fuel from adher-

ing to rubber parts such as engine mounting insulator.

4.

After draining, close drain plug by hand.

CAUTION:

If drain plug is tightened excessively, it may be damaged and fuel will leak. Never use tools to
tighten drain plug.

5.

Start engine and check there is no fuel leakage.

FUEL FILTER : Inspection

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INSPECTION AFTER INSTALLATION

Use the following procedure to check for fuel leakage.

1.

Check fuel leakage at the fuel system tube and hose connections.

2.

Start engine and rev it up and check there are no fuel leakage at the fuel system tube and hose connec-
tions.

AIR CLEANER FILTER

AIR CLEANER FILTER : Removal and Installation

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REMOVAL

1.

To remove air duct 2 

, pinch pawl 

 to unlock, move pawl 

frontward, and remove air duct 2 upward.

2.

Remove the clips 

 of air cleaner cover 

.

: Fuel filter sensor

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3.

Shift air cleaner cover 

 to vehicle front side and remove air

cleaner filter 

. 

INSTALLATION

Install in the reverse order of removal.
• Insert the projection 

 of air cleaner filter 

 in such a way so that

it becomes the position (upper front side of car) of illustration.

• Verify that there is no looseness in air cleaner cover and has been fixed accurately.
• Check that pawls 

 and 

 (3 in total) of air duct 2 

 are engaged.

ENGINE OIL

ENGINE OIL : Draining

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WARNING:

• Be careful not to get burned, as engine oil may be hot.
• Prolonged and repeated contact with used engine oil may cause skin cancer. Try to avoid direct skin

contact with used engine oil. If skin contact is made, wash thoroughly with soap or hand cleaner as
soon as possible. 

1.

Warm up the engine, and check for engine oil leakage from engine components. Refer to 

LU-38, "Inspec-

tion"

.

2.

Stop the engine and wait for 10 minutes.

3.

Remove engine under cover. Refer to 

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

.

4.

Loosen oil level gauge.

: Projection

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: Air cleaner cover

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