2005 NISSAN NAVARA Repair Workshop Manual

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Page 889 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual OVERHEATING CAUSE ANALYSIS
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Except cool-
ing system
parts mal-
function— Overload on engineAbusive drivingHigh engine rpm under no
load
Driving in low gear for
extended

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NISSAN NAVARA 2005 Repair Workshop Manual CO-6
COOLING SYSTEM
COOLING SYSTEM
PFP:21020
Cooling CircuitEBS01E6N
PBIC4099E

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NISSAN NAVARA 2005 Repair Workshop Manual ENGINE COOLANT
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ENGINE COOLANTPFP:KQ100
InspectionEBS01E6P
LEVEL CHECK
lCheck if the reservoir tank engine coolant level within MIN to
MAX when engine is cool.
lAdjust en

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NISSAN NAVARA 2005 Repair Workshop Manual CO-8
ENGINE COOLANT
DRAINING ENGINE COOLANT
1. Open radiator drain plug (1) at the bottom of radiator, and
remove radiator cap.
CAUTION:
Be careful not to allow engine coolant to contact drive belts.

Page 893 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual ENGINE COOLANT
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3. Fill radiator and reservoir tank to the specified level.
lPour engine coolant through engine coolant filler neck
slowly of less than 2 (1-3/4 lmp qt) a

ENGINE COOLANT
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3. Fill radiator and reservoir tank to the specified level.
lPour engine coolant through engine coolant filler neck
slowly of less than 2 (1-3/4 lmp qt) a minute to allow air
in system to escape.
lUse Genuine Nissan Anti-freeze Coolant (L250) or equiva-
lent in its quality. Refer toMA-14, "
RECOMMENDED FLU-
IDS AND LUBRICANTS".
lWhen engine coolant overflows air relief hole, install air relief
plug.
4. Warm up engine to normal operating temperature without radiator cap and reservoir tank cap installed.
lIf engine coolant overflows radiator filler hole and reservoir tank filler hole, install radiator cap
and reservoir tank cap.
5. Run engine at 3,000 rpm for 10 seconds and return to idle speed with radiator cap installed.
lRepeat two or three times.
CAUTION:
Watch engine coolant temperature gauge so as not to overheat the engine.
6. Stop engine and cool down to less than approximately 50°C(122°F).
lCool down using a fan to reduce the time.
lIf necessary, refill radiator up to filler neck with engine coolant.
7. Refill reservoir tank to MAX level line with engine coolant.
8. Repeat steps 3 through 6 two or more times with radiator cap installed until engine coolant level no longer
drops.
9. Check cooling system for leaks with engine running.
10. 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.
lSound may be noticeable at heater unit.
11. Repeat step 10 three times.
12. If sound is heard, bleed air from cooling system by repeating steps 3 through 6 until engine coolant level
no longer drops.
FLUSHING COOLING SYSTEM
1. Fill radiator with water until water spills from the air relief hole, then close air relief plug. Fill radiator and
reservoir tank with water and reinstall radiator cap and reservoir tank cap.
2. Run engine and warm it up to normal operating temperature.
3. Rev engine two or three times under no-load.
4. Stop engine and wait until it cools down.
5. Drain water from the system. Refer toCO-8, "
DRAINING ENGINE COOLANT". Engine coolant capacity
(with reservoir tank at “MAX” level)
LHD models
: Approx. 9.9 (8-3/4 lmp qt)
RHD models
: Approx. 10.2 (9 lmp qt)
SMA182B
Reservoir tank capacity (at “MAX” level)
: 0.8 (3/4 lmp qt)
SMA412B

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NISSAN NAVARA 2005 Repair Workshop Manual CO-10
ENGINE COOLANT
6. Repeat steps 1 through 5 until clear water begins to drain from radiator.

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NISSAN NAVARA 2005 Repair Workshop Manual RADIATOR
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RADIATORPFP:21400
ComponentsEBS01F6F
lRefer toGI-10, "Components"for symbol marks except in the above.
Removal and InstallationEBS01E6R
WARNING:
Do not remove

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NISSAN NAVARA 2005 Repair Workshop Manual CO-12
RADIATOR
3. Remove engine cover. Refer toEM-20, "INTAKE MANIFOLD".
4. Remove air inlet hoses between engine to charge air cooler. Refer toEM-18, "
CHARGE AIR COOLER".
5. Disconnect radiator hose

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