2005 INFINITI FX35 Service Manual

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Page 1241 of 4731

INFINITI FX35 2005 Service Manual CO-36
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COOLING SYSTEM
Revision: 2005 July 2005 FX
System ChartABS006JH
PBIC1560E

Page 1242 of 4731

INFINITI FX35 2005 Service Manual ENGINE COOLANT CO-37
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Revision: 2005 July 2005 FX
ENGINE COOLANTPFP:KQ100
InspectionABS006JI
LEVEL CHECK
Check if the reservoir tank engine coolant lev

Page 1243 of 4731

INFINITI FX35 2005 Service Manual CO-38
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ENGINE COOLANT
Revision: 2005 July 2005 FX
2. Open radiator drain plug at the bottom of radiator, and then
remove radiator cap.
When draining all of engine coolant in the system, ope

Page 1244 of 4731

INFINITI FX35 2005 Service Manual ENGINE COOLANT CO-39
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Revision: 2005 July 2005 FXWhen engine coolant overflows air relief hole on heater hose,
install air relief plug.
5. Install ra

ENGINE COOLANT CO-39
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Revision: 2005 July 2005 FXWhen engine coolant overflows air relief hole on heater hose,
install air relief plug.
5. Install radiator cap.
6. Warm up until opening thermostat. Standard for warming-up time is approximately 10 minutes at 3,000 rpm.
Make sure 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.
7. Stop engine and cool down to less than approximately 50 °C (122 °F).
Cool down using a fan to reduce the time.
If necessary, refill engine coolant up to filler neck of thermostat housing.
8. Refill reservoir tank to “MAX” level line with engine coolant.
9. Repeat steps 4 through 7 two or more times with radiator cap installed until engine coolant level no longer drops.
10. Check cooling system for leaks with engine running.
11. Warm up engine, and check for sound of engine coolant flow while running engine from idle up to 3,000 rpm with heater temperature controller set at several position between “COOL” and “WARM”.
Sound may be noticeable at heater unit.
12. Repeat step 11 three times.
13. If sound is heard, bleed air from cooling system by repeating steps 4 through 7 until engine coolant level no longer drops.
FLUSHING COOLING SYSTEM
1. Install reservoir tank, and radiator drain plug.
CAUTION:
Be sure to clean drain plug and install with new O-ring.
If water drain plugs on cylinder block are removed, close and tighten them. Refer to EM-249,
"ASSEMBLY" .
2. Remove air relief plug on heater hose.
3. Fill thermostat housing with water until water spills from the air relief hole, then close air relief plug. Fill thermostat housing and reservoir tank with water and reinstall radiator cap.
4. Run engine and warm it up to normal operating temperature. Reservoir tank engine coolant capacity
(At “MAX” level):
0.8 (7/8 US qt, 3/4 lmp qt)
SMA412B
Radiator drain plug:
: 1.19 N·m (0.12 kg-m, 11 in-lb)
PBIC1530E

Page 1245 of 4731

INFINITI FX35 2005 Service Manual CO-40
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ENGINE COOLANT
Revision: 2005 July 2005 FX
5. Rev engine two or three times under no-load.
6. Stop engine and wait until it cools down.
7. Drain water from the system. Refer to CO-37

Page 1246 of 4731

INFINITI FX35 2005 Service Manual RADIATOR CO-41
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Revision: 2005 July 2005 FX
RADIATORPFP:21400
Removal and InstallationABS006JS
WARNING:
Do not remove radiator cap when engine is hot.

Page 1247 of 4731

INFINITI FX35 2005 Service Manual CO-42
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RADIATOR
Revision: 2005 July 2005 FX
Install blind plug to avoid leakage of A/T fluid.
7. Remove radiator shroud (lower).
While pressing left and right pawls in direction indicated b

Page 1248 of 4731

INFINITI FX35 2005 Service Manual RADIATOR CO-43
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Revision: 2005 July 2005 FX
11. Lift up and remove radiator.
CAUTION:
Do not damage or scratch A/C condenser and radiator core
when re

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