Nissan X-Trail 32. Manual - part 310

CO-66

< PERIODIC MAINTENANCE >

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ENGINE COOLANT

• Pour coolant slowly of less than 3   (2-5/8 Imp qt) per minute to allow air in system to escape.

•

7.

When engine coolant spill from radiator air relief plug with continuous flow, close air relief plug and con-
tinue filling reservoir tank. 

8.

When engine coolant spill from air relief plug with continuous flow, close air relief plug and continue filling
reservoir tank. 

9.

When engine coolant spill from heater hose with continuous
flow, connect heater hose and continue filling reservoir tank until
reach “MAX” level 

10.

11. Install radiator cap.

12. Warm up engine at 3000 rpm until thermostat is opened.

• Check thermostat opening condition by touching radiator hose (lower) to see a flow of warm water.

CAUTION:

Watch water temperature gauge so as not to overheat engine.

13. Stop the engine and cool down to less than approximately 50

°

C (122

°

F).

• Cool down using fan to reduce the time.
• If necessary, refill radiator up to filler neck with engine coolant.

CAUTION:

Never adhere the engine coolant to electronic equipments (alternator etc.).

14. Refill reservoir tank to “MAX” level line with engine coolant.

15. Repeat steps 11 through 14 two or more times with radiator cap installed until engine coolant level no

longer drops. 

16. Check cooling system for leakage with engine running.

17. Warm up the engine, and check for flowing noise while repeat at least three time slow acceleration from

idle up to 3,000 rpm.

18. If flowing noise is heard, bleed air from cooling system by repeating step 11 through 17 until flowing noise

is no longer heard. 

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.

Engine coolant capacity (With reservoir tank at “MAX” level)

Refer to 

CO-85, "Periodical Maintenance Specification"

.

: MAX

: MIN

Reservoir tank engine coolant capacity (At “MAX” level)

Refer to 

CO-85, "Periodical Maintenance Specifica-

tion"

.

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ENGINE COOLANT

CO-67

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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.

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.

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CO-68

< PERIODIC MAINTENANCE >

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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.

Standard: Refer to 

CO-85, "Radiator"

.

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RADIATOR

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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.