Nissan Tiida C11. Manual - part 130

 

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Nissan Tiida C11. Manual - part 130

 

 

CO-38

< ON-VEHICLE MAINTENANCE >

[MR18DE]

RADIATOR

RADIATOR

Checking Radiator Cap

INFOID:0000000001337842

• Check valve seat of radiator cap. 
- Check if valve seat is swollen to the extent that the edge of the

plunger cannot be seen when watching it vertically from the top.

- Check if valve seat has no soil and damage.

• Pull negative-pressure valve to open it, and make sure that it is

completely closed when released.

- Make sure that there is no dirt or damage on the valve seat of radi-

ator cap negative-pressure valve. 

- Make sure that the valve operates properly in the opening and

closing conditions.

• Check radiator cap relief pressure using suitable tool.

- When connecting the radiator cap to the tester, apply water or

coolant to the cap seal surface. 

- Replace the radiator cap if there is an abnormality in the negative-

pressure valve, or if the open-valve pressure is outside of the stan-
dard values.

• Replace radiator cap if there it does not comply to specifications to the above three checks.

CAUTION:

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

Checking Radiator

INFOID:0000000001337843

Check radiator for mud or clogging. If necessary, clean radiator as follows.
• Be careful not to bend or damage radiator fins.
• When radiator is cleaned without removal, remove all surrounding parts such as cooling fan, radiator shroud

and horns. Then tape harness and 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 surface 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). 

PBIC2816E

SMA967B

Standard: 78 – 98 kPa (0.78 - 0.98 bar, 0.8 – 1.0 kg/cm

2

, 11 

– 14 psi)

Limit: 59 kPa (0.59 bar, 0.6 kg/cm

2

, 9 psi)

WBIA0570E

RADIATOR

CO-39

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5.

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

CO-40

< ON-VEHICLE REPAIR >

[MR18DE]

RADIATOR

ON-VEHICLE REPAIR

RADIATOR

Component

INFOID:0000000001337840

Removal and Installation

INFOID:0000000001337841

WARNING:

Do not remove radiator cap when the engine is hot. Serious burns could occur from high-pressure
engine coolant escaping from radiator. Wrap a thick cloth around the cap. Slowly turn it a quarter of a
turn to release built-up pressure. Carefully remove radiator cap by turning it all the way.    

REMOVAL

1.

Drain engine coolant from radiator. Refer to 

CO-35, "Changing Engine Coolant"

.

CAUTION:

1.

Reservoir tank cap

2.

Reservoir tank 

3.

Radiator hose (upper)

4.

Mounting rubber (upper)

5.

Radiator cap

6.

Reservoir tank hose

7.

Radiator

8.

Mounting rubber (lower)

9.

O-ring 

10. Radiator drain plug

11.

Radiator hose (lower)

12. Cooling fan assembly

A.

To water outlet

B.

To water inlet

C.

Models with A/C

AWBIA0129GB

RADIATOR

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• Perform this step when engine is cold.
• Do not spill engine coolant on drive belt.

2.

Remove air duct (inlet). Refer to 

EM-154, "Component"

.

3.

Remove reservoir tank as follows:

a.

Disconnect reservoir tank hose.

b.

Release the tab (A) in the direction shown by the arrow (

).

c.

Lift up while removing the reservoir tank hose, and remove it.

4.

Disconnect harness connector from fan motors, and move harness to aside.

5.

Remove radiator hoses (upper and lower).

6.

Remove radiator core support cover.

7.

Remove radiator core support (upper) bolts, bolts of stationary
part on the radiator core support side and clip. Lift radiator
assembly (1) from radiator (upper) mount part of radiator core
support (upper) (2).

8.

Move radiator assembly (1) to the rearward direction of vehicle,
and then lift it upward to remove.

CAUTION:

Do not damage or scratch A/C condenser if equipped and
radiator core when removing.

INSTALLATION

Installation is the reverse order of removal.

CAUTION:

Do not damage or scratch A/C condenser if equipped and radiator core when removing.

INSPECTION AFTER INSTALLATION

• Check for leaks of engine coolant. Refer to 

CO-35, "Inspection"

.

• Start and warm up engine. Visually check if there is no leaks of engine coolant.

PBIC3800E

PBIC3805E

 

 

 

 

 

 

 

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