Nissan Teana J32. Manual — part 284
CO-12
< ON-VEHICLE MAINTENANCE >
RADIATOR
RADIATOR
RADIATOR CAP
RADIATOR CAP : Inspection
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• Check valve seat (A) of radiator cap.
- Check if valve seat is swollen to the extent that the edge of the
plunger (B) cannot be seen when watching it vertically from the
top.
- Check if 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) and the radiator cap tester adapter (commercial
service tool) (A), 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 pipe (upper) 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:
• 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 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
(11.81 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
JPBIA0109ZZ
RADIATOR
CO-13
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ON-VEHICLE REPAIR
RADIATOR
Exploded View
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Removal and Installation
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REMOVAL
1.
Reservoir tank cap
2.
Reservoir tank
3.
Clamp
4.
Reservoir tank hose
5.
Radiator cap
6.
Radiator cap adapter
7.
Radiator pipe (upper)
8.
Clamp
9.
Radiator hose (upper)
10. Radiator hose (upper)
11.
O-ring
12. Drain plug
13. Water drain hose
14. Mounting rubber (upper)
15. Radiator upper clip
16. Radiator
17. Mounting rubber (lower)
18. Radiator pipe (lower)
19. Radiator hose (lower)
20. Clamp
21. CVT fluid cooler hose
22. CVT fluid cooler hose
23. Grommet
24. Cooling fan assembly
25. Radiator hose (lower)
A.
To water outlet
B.
To transaxle assembly
C.
To water inlet
Refer to
for symbols in the figure.
JPBIA2200GB
CO-14
< ON-VEHICLE REPAIR >
RADIATOR
WARNING:
Never remove radiator cap when 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.
1.
Remove the following parts:
• Engine under cover.
• Air duct (inlet): Refer to
.
• Horn: Refer to
.
2.
Drain engine coolant from radiator. Refer to
.
CAUTION:
• Perform this step when the engine is cold.
• Never spill engine coolant on drive belt.
3.
Disconnect reservoir tank hose from radiator pipe (upper).
4.
Disconnect CVT fluid cooler hoses from radiator.
• Install blind plug to avoid leakage of CVT fluid.
5.
Disconnect Low-pressure flexible hose from lower pressure pipe, and then move it to aside. Refer to
6.
Remove radiator cap adapter and radiator hoses (upper) and radiator pipe (upper) assembly.
CAUTION:
Be careful not to allow engine coolant to contact drive belt.
7.
Disconnect radiator hose (lower) from radiator.
8.
Remove condenser. Refer to
.
CAUTION:
Be careful not to damage condenser core.
9.
Remove radiator upper clip (2) by pulling the tabs (A) outside to
release the lock (B) and then remove mounting rubbers (upper)
(1).
CAUTION:
Never pull the tabs outside excessively to prevent it from
damping.
10. Lift up and remove radiator from front of radiator core support.
CAUTION:
Be careful not to damage or scratch on radiator core.
INSTALLATION
Note the following, and installation is the reverse order of removal.
Radiator Upper Clip
Install radiator upper clip on radiator core connection as follows:
1.
Install mounting rubbers (upper) (1) on mounting pins (A) of radi-
ator.
2.
Align radiator upper clip (2) with radiator core connection (B),
then insert radiator upper clip straight into radiator core connec-
tions until a click is heard.
3.
After connecting radiator upper clip, use the following method to
check it is fully connected.
• Visually confirm that two radiator upper clips are connected to
radiator core connections.
• Move radiator upper clip and the radiator forward and backward to check they are securely connected.
C
: Mounting pin
: Vehicle front
JPBIA1689ZZ
: Vehicle front
JPBIA1690ZZ
RADIATOR
CO-15
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Inspection
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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
.
• Start and warm up the engine. Visually check that there is no leakage of engine coolant and CVT fluid.
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