2005 NISSAN NAVARA radiator

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 (upper and lower) and reservoir tank hose.
CAUTION:
Be careful not to allow engine coolant to contact drive belts.
6. Remove reservoir tank.
7. Remove cooling fans (crankshaft driven type and motor driven type) and radiator shrouds (upper and
lower). Refer toCO-19, "
COOLING FAN".
8. Disconnect A/T fluid cooler hoses. (A/T models)
lInstall blind plug to avoid leakage of A/T fluid.
9. Remove radiator mounting brackets.
10. Remove the two A/C condenser bolts. (models with A/C)
11. Remove radiator.
Remove radiator as follows (models with A/C):
CAUTION:
Do not damage or scratch A/C condenser and radiator core when removing.
a. With lifting and pulling radiator (3) in a rear direction, remove
radiator lower mount (4) from radiator core support (1).
CAUTION:
Because A/C condenser (2) is onto the front-lower portion
of radiator (3), moving to rear direction should be at mini-
mum.
b. Lift A/C condenser up and remove radiator.
CAUTION:
Lifting A/C condenser should be minimum to prevent a load
to A/C piping.
c. After removing radiator, temporarily secure it with rope or similar
means to prevent a load to A/C piping.
LBIA0421E
: Vehicle front
PBIC3350E
PBIC1054E

RADIATOR
CO-13
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INSPECTION AFTER REMOVAL
Checking Reservoir Tank Cap
lInspect valve seat of reservoir tank cap.
–Check if valve seat is swollen to the extent that the edge of the
plunger cannot be seen when watching it vertically from the top.
–Check if valve seat has no soil and damage.
lPull negative-pressure valve to open it, and make sure that it is
completely closed when released.
–Make sure that there is no dirt or damage on the valve seat of
radiator cap negative-pressure valve.
–Make sure that there are no unusualness in the opening and
closing conditions of negative-pressure valve.
lCheck reservoir tank cap relief pressure.
–When connecting reservoir tank cap to the radiator cap tester
adapter [SST] and the radiator cap tester (Commercial service
tool), apply engine coolant to the cap seal surface.
lReplace reservoir tank cap if there is an unusualness in negative pressure valve, or if the relief pressure
falls below the limit.
CAUTION:
When installing a radiator cap and reservoir tank cap, thoroughly wipe out the radiator and reservoir
tank filler neck to remove any waxy residue or foreign material.
Checking Radiator
Check radiator for mud or clogging. If necessary, clean radiator as follows.
lBe careful not to bend or damage the radiator fins.
lWhen radiator is cleaned without removal, remove all surrounding parts such as cooling fan, radiator
shroud and horns. Then tape the harness and connectors to prevent water from entering.
1. Apply water by hose to the back side of the radiator core vertically downwards.
2. Apply water again to all radiator core surface once per minute.
3. Stop washing if any stains no longer flow out from the radiator.
4. Blow air into the back side of radiator core vertically downwards.
lUse compressed air lower than 490 kPa (4.9 bar, 5 kg/cm2, 71 psi) and keep distance more than 30 cm
(11.8 in).
5. Blow air again into all the radiator core surface once per minute until no water sprays out.
PBIC2816E
SMA967B
Standard : 98.2 - 117.8 kPa (0.98 - 1.18 bar, 1.0 -
1.2 kg/cm
2,14-17psi)
Limit : 59 kPa (0.59 bar, 0.6 kg/cm
2,9psi)
SLC755AC

CO-14
RADIATOR
INSTALLATION
Installation is the reverse order of removal.
INSPECTION AFTER INSTALLATION
lCheck for leaks of engine coolant using the radiator cap tester adapter [SST: EG17650301] and the radia-
tor cap tester (commercial service tool). Refer toCO-7, "
CHECKING RADIATOR SYSTEM FOR LEAKS".
lStart and warm up engine. Visually check if there is no leaks of engine coolant.

RADIATOR (ALUMINUM TYPE)
CO-15
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RADIATOR (ALUMINUM TYPE)PFP:21460
ComponentsEBS01F6J
Disassembly and AssemblyEBS01E6V
PREPARATION
1. Attach the spacer to the tip of the radiator plate pliers A [SST].
Spacer specification: 18 mm (0.71 in) wide x 8.5 mm (0.335 in)
long x 1.5 mm (0.059 in) thick.
2. Make sure that when radiator plate pliers A [SST] are closed
dimension H¢¢is approx. 7.6 mm (0.299 in).
3. Adjust dimension H¢¢with the spacer, if necessary.
DISASSEMBLY
1. Remove upper and lower tanks with radiator plate pliers B
[SST].
CAUTION:
Do not disassemble lower tank and A/T fluid cooler. (A/T
models)
NOTE:
Regard lower tank and A/T fluid cooler as an assembly.
1. Upper tank 2. Sealing rubber 3. Core
4. Lower tank 5. Lower tank (with A/T fluid cooler)
PBIC2493E
SLC655C
SLC903

CO-16
RADIATOR (ALUMINUM TYPE)
lGrip the crimped edge and bend it upwards so that radiator
plate pliers B slips off.
CAUTION:
Do not bend excessively.
lIn areas where radiator plate pliers B cannot be used, use a
screwdriver to bend the edge up.
CAUTION:
Be careful not to damage tank.
2. Remove sealing rubber.
3. Make sure the edge stands straight up.
ASSEMBLY
1. Clean contact portion of tank.
SLC893
SLC930
SLC931
SLC932

RADIATOR (ALUMINUM TYPE)
CO-17
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2. Install sealing rubber while pushing it with fingers.
CAUTION:
Be careful not to twist sealing rubber.
3. Caulk tank in numerical order as shown in the figure with radia-
tor plate pliers A [SST].
lUse pliers in the locations where radiator plate pliers A cannot
be used.
4. Make sure that the rim is completely crimped down.
SLC917A
SLC904
PBIC2076E
SLC897
Standard height “H”: 8.0 - 8.4 mm (0.315 - 0.331 in)
SLC554A

CO-18
RADIATOR (ALUMINUM TYPE)
5. Make sure that there is no leakage.
Refer toCO-18, "
INSPECTION".
INSPECTION
1. Apply pressure with the radiator cap tester adapter [SST] and
the radiator cap tester (commercial service tool).
WARNING:
To prevent the risk of hose coming undone while under
pressure, securely fasten it down with hose clamp.
CAUTION:
Attach hose to A/T fluid cooler to seal its inlet and outlet. (A/
T models)
2. Check for leakage by soaking radiator in water container with
the testing pressure applied.Testing pressure
: 157 kPa (1.57 bar, 1.6 kg/cm
2,23psi)
SLC933
SLC934

COOLING FAN
CO-19
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COOLING FANPFP:21140
Components (Crankshaft Driven Type)EBS01F6G
Removal and InstallationEBS01E7G
REMOVAL
1. Remove engine cover. Refer toEM-20, "INTAKE MANIFOLD".
2. Remove drive belts. Refer toEM-12, "
DRIVE BELTS".
3. Loosen and remove radiator shroud (upper) mounting bolts. Refer toCO-11, "
RADIATOR".
4. Move radiator shroud (upper) toward engine, and remove cooling fan (crankshaft driven type).
CAUTION:
Be careful not to damage or scratch on radiator core.
5. Remove fan coupling and water pump pulley.
INSPECTION AFTER REMOVAL
Fan Coupling
Check fan coupling for rough operation, wobbling, oil leakage or bent
bimetal.
INSTALLATION
Installation is the reverse order of removal.
lInstall cooling fan with its front mark “AISIN” facing front of engine.
Removal and Installation (Motor Driven Type) (Models with A/C)EBS01E6U
REMOVAL
1. Remove engine cover. Refer toEM-20, "INTAKE MANIFOLD".
1. Cooling fan 2. Fan coupling 3. Water pump pulley
4. Water pump
A. Front mark “AISIN”
PBIC4056E
SLC072