Infiniti G37 Coupe. Manual — part 341
CO-14
< ON-VEHICLE REPAIR >
RADIATOR
ON-VEHICLE REPAIR
RADIATOR
Exploded View
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1.
Upper mount bracket
2.
Mounting rubber (upper)
3.
Radiator & condenser assembly
4.
Condenser pipe assembly
5.
O-ring
6.
O-ring
7.
Clamp
8.
A/T fluid cooler hose (A/T models)
9.
A/T fluid cooler hose (A/T models)
10. Mounting rubber (lower)
11.
Clamp
12. Radiator hose (lower)
13. Radiator hose (Upper)
14. Water drain hose
15. Drain plug
16. O-ring
17. Radiator water inlet pipe
18. O-ring
19. O-ring
20. Air relief plug
21. Reservoir tank cap
22. Reservoir tank
23. Reservoir tank hose
24. Clamp
25. Reservoir tank hose
26. Grommet
27. Radiator cooling fan assembly
A.
To transmission
B.
To water inlet
C.
To water outlet
D.
Refer to
for symbols in the figure.
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RADIATOR
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< ON-VEHICLE REPAIR >
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Removal and Installation
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REMOVAL
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 with power tool.
• Engine cover: Refer to
• Air cleaner case (RH and LH): Refer to
.
• Reservoir tank: Refer to
.
• Radiator core support ornament, radiator core support center and horn: Refer to [
.
• Hood lock: Refer to [
DLK-211, "HOOD LOCK CONTROL : Exploded View"
.
2.
Remove condenser pipe assembly. Refer to [
3.
Drain engine coolant from radiator. Refer to
.
CAUTION:
• Perform this step when the engine is cold.
• Never spill engine coolant on drive belts.
4.
Disconnect A/T fluid cooler hoses from radiator. (A/T models)
• Install blind plug to avoid leakage of A/T fluid.
5.
Remove radiator hoses (upper and lower) and reservoir tank hose.
CAUTION:
Be careful not to allow engine coolant to contact drive belts.
6.
Remove cooling fan assembly. Refer to
CAUTION:
Never damage or scratch radiator & condenser assembly core when removing.
7.
Rotate two radiator upper mount brackets 90 degrees in direc-
tion as shown in the figure, and remove them.
8.
Remove radiator & condenser assembly as follows:
CAUTION:
Be careful not to damage radiator & condenser assembly core.
a.
Lift up and pull the radiator & condenser assembly (1) forward,
and then remove the mounting rubber (lower) (3) from the radia-
tor core support (2).
1
: Radiator upper mount bracket
A
: Turn 90
°
counterclockwise
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: Vehicle front
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CO-16
< ON-VEHICLE REPAIR >
RADIATOR
b.
Remove radiator & condenser assembly (1) from front of radia-
tor core support (2).
INSTALLATION
Installation is the reverse order of removal.
Inspection
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INSPECTION AFTER INSTALLATION
• Check that the reservoir tank cap is tightened.
• Check for leaks of engine coolant using the radiator cap tester adapter [SST: EG17650301 (J33984-A)] and
the radiator cap tester (commercial service tool). Refer to
.
• Start and warm up the engine. Visually check that there is no leaks of engine coolant and A/T fluid (A/T mod-
els).
: Vehicle front
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COOLING FAN
CO-17
< ON-VEHICLE REPAIR >
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COOLING FAN
Exploded View
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Removal and Installation
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REMOVAL
1.
Remove reservoir tank. Refer to
.
2.
Remove air cleaner case (LH). Refer to
.
3.
Disconnect harness connector from cooling fan control module, and move harness to aside.
4.
Remove engine under cover with power tool.
5.
Remove cooling fan assembly from under the vehicle.
CAUTION:
Be careful not to damage or scratch on radiator core.
INSTALLATION
Note the following, and install in the reverse order of removal.
CAUTION:
Only use genuine parts for cooling fan mounting bolt and observe the specified torque (to prevent
radiator from being damaged).
Disassembly and Assembly
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DISASSEMBLY
1.
Disconnect harness from cooling fan control module.
2.
Remove cooling fan control module from cooling fan assembly.
CAUTION:
Handle carefully to avoid dropping and shocks.
3.
Remove cooling fan mounting nuts, and then remove the cooling fan (RH and LH).
4.
Remove fan motors (RH and LH).
1.
Cooling fan (RH)
2.
Cooling fan (LH)
3.
Fan shroud
4.
Fan motor (LH)
5.
Fan motor (RH)
6.
Cooling fan control module
A.
Apply on fan motor shaft
: Apply Genuine High Strength Lock-
ing Sealant or equivalent.
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