2006 INFINITI FX35 Service Manual

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Page 1241 of 4462

INFINITI FX35 2006 Service Manual RADIATOR (ALUMINUM TYPE) CO-47
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Revision: 2006 December 2006 FX35/FX45
2. Install new sealing rubber while pushing it with fingers. CAUTION:
Be careful

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INFINITI FX35 2006 Service Manual CO-48
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RADIATOR (ALUMINUM TYPE)
Revision: 2006 December 2006 FX35/FX45
4. Make sure that the rim is completely crimped down.
5. Make sure that there is no leakage. Refer to CO-48, "
INSPECT

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INFINITI FX35 2006 Service Manual COOLING FAN CO-49
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Revision: 2006 December 2006 FX35/FX45
COOLING FANPFP:21140
Components (Crankshaft Driven type)NBS005RY
Removal and InstallationNBS003

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INFINITI FX35 2006 Service Manual CO-50
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COOLING FAN
Revision: 2006 December 2006 FX35/FX45
Components (Motor Driven Type)NBS005RZ
Removal and InstallationNBS003KP
REMOVAL
1. Remove front grille. Refer to EI-22, "FRONT GRILLE

Page 1245 of 4462

INFINITI FX35 2006 Service Manual WATER PUMP CO-51
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Revision: 2006 December 2006 FX35/FX45
WAT E R P U MPPFP:21020
ComponentsNBS005S0
Removal and InstallationNBS003KR
CAUTION:
When remo

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INFINITI FX35 2006 Service Manual CO-52
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WATER PUMP
Revision: 2006 December 2006 FX35/FX45
INSPECTION AFTER REMOVAL
Visually check that there is no significant dirt or rusting on water
pump body and vane.
Make sure there is

Page 1247 of 4462

INFINITI FX35 2006 Service Manual THERMOSTAT AND WATER CONTROL VALVE CO-53
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Revision: 2006 December 2006 FX35/FX45
THERMOSTAT AND WATER CONTROL VALVEPFP:21200
ComponentsNBS005S1
1. O-ring

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INFINITI FX35 2006 Service Manual CO-54
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THERMOSTAT AND WATER CONTROL VALVE
Revision: 2006 December 2006 FX35/FX45
Refer to GI-11, "Components" for symbol marks in the figure.
Removal and InstallationNBS003KS
REMOVAL
1. Dra

CO-54
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THERMOSTAT AND WATER CONTROL VALVE
Revision: 2006 December 2006 FX35/FX45
Refer to GI-11, "Components" for symbol marks in the figure.
Removal and InstallationNBS003KS
REMOVAL
1. Drain engine coolant from drain plugs on radiator and both side of cylinder block. Refer to CO-38, "Chang-
ing Engine Coolant" and EM-249, "DISASSEMBLY" .
CAUTION:
Perform this step when engine is cold.
Do not spill engine coolant on drive belts.
2. Remove engine cover with power tool. Refer to EM-173, "
ENGINE ROOM COVER" .
3. Remove air duct (inlet). Refer to EM-177, "
AIR CLEANER AND AIR DUCT" .
4. Disconnect water suction hose from water inlet.
5. Remove water inlet and thermostat. CAUTION:
Do not disassemble thermostat.
6. Remove intake manifolds (upper and lower). Refer to EM-179, "
INTAKE MANIFOLD" .
7. Disconnect radiator hose (upper) and water hoses from thermostat housing.
8. Disconnect heater hoses from water outlet and heater pipe.
9. Remove thermostat housing, water outlet pipe, water connector, water control valve, water outlet and heater pipe.
CAUTION:
Do not disassemble water control valve.
INSPECTION AFTER REMOVAL
Make sure that valves both in thermostat and water control valve are completely closing at normal temper-
ature.
Place a thread so that it is caught in the valves of the thermostat
and water control valve. Immerse fully in a container filled with
water. Heat while stirring. (The example in the figure shows ther-
mostat.)
The valve opening temperature is the temperature at which the
valve opens and falls from the thread.
Continue heating. Check the maximum valve lift.
NOTE:
The maximum valve lift standard temperature for water control
valve is the reference value.
After checking the maximum valve lift, lower the water tempera-
ture and check the valve closing temperature.
Standard values:
If the malfunctioning condition, when closing valve at normal temperature, or measured values are out of
the standard, replace thermostat and/or water control valve.
INSTALLATION
Note the following, and install in the reverse order of removal.
CAUTION:
Be careful not to spill engine coolant over engine room. Use rag to absorb engine coolant.
D. To heater core E. To cylinder head (left bank) F. To cylinder head (right bank)
G. To intake manifold adapter
SLC252B
Thermostat Water control valve
Valve opening temperature 80 - 84 °C (176 - 183 °F) 93.5 - 96.5 °C (200 - 206 °F)
Maximum valve lift More than 10 mm/ 95
°C
(0.39 in/ 203 °F) More than 8 mm/ 108
°C
(0.315 in/ 226 °F)
Valve closing temperature 77 °C (171 °F) 90 °C (194 °F)

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