2007 NISSAN TIIDA radiator

CO-20
< ON-VEHICLE REPAIR >[HR16DE]
WATER PUMP
WATER PUMP
Exploded ViewINFOID:0000000001381568
Removal and InstallationINFOID:0000000001381569
REMOVAL
1. Drain engine coolant from radiator. Refer to CO-11, "Changing Engine Coolant".
CAUTION:
 Perform this step when the engine is cold.
 Never spill engine coolant on drive belts.
2. Steer front wheel to the right.
3. Remove front fender protector (RH). Refer to EXT-22, "
Removal and Installation".
4. Loosen mounting bolts of water pump pulley before loosening belt tension of drive belt.
5. Remove drive belt. Refer to EM-16, "
Removal and Installation".
6. Remove water pump pulley.
7. Remove water pump.
 Loosen mounting bolts in reverse order as shown.
 Engine coolant will leak from cylinder block, so have a recep-
tacle ready below.
CAUTION:
 Handle water pump vane so that it does not contact any
other parts.
 Water pump cannot be disassembled and should be
replaced as a unit.
INSTALLATION
Installation is in the reverse order of removal.
Water pump.
1. Gasket 2. Water pump 3. Water pump pulley
PBIC3807E
KBIA3393J

CO-22
< ON-VEHICLE REPAIR >[HR16DE]
THERMOSTAT
THERMOSTAT
Exploded ViewINFOID:0000000001381571
Removal and InstallationINFOID:0000000001381572
REMOVAL
1. Drain engine coolant from radiator. Refer to CO-11, "Changing Engine Coolant".
CAUTION:
 Perform this step when engine is cold.
 Never spill engine coolant on drive belt.
2. Add paint mark, then disconnect radiator hose (lower) from water inlet. Refer to CO-16, "
Component".
3. Remove water inlet and thermostat.
 Engine coolant will leak from cylinder block, so have a receptacle ready below.
INSTALLATION
Installation is in the reverse order of removal.
Thermostat
 Install thermostat with making rubber ring (1) groove fit to thermo-
stat flange (A) with the whole circumference.
1. Radiator hose (lower) 2. Water inlet 3. Rubber ring
4. Thermostat
A. To radiator
PBIC3810E
PBIC3811E

CO-24
< ON-VEHICLE REPAIR >[HR16DE]
WATER OUTLET
WATER OUTLET
Exploded ViewINFOID:0000000001381574
Removal and InstallationINFOID:0000000001381575
REMOVAL
1. Drain engine coolant from radiator. Refer to CO-11, "Changing Engine Coolant".
CAUTION:
 Perform this step when engine is cold.
 Never spill engine coolant on drive belt.
2. Disconnect radiator hose (upper). Refer to CO-16, "
Component".
3. Disconnect harness connector from engine coolant temperature sensor.
4. Remove electronic throttle control actuator water hoses (Northern Europe models).
5. Remove heater hoses.
6. Remove water outlet.
7. Remove engine coolant temperature sensor from water outlet, if necessary.
INSTALLATION
Installation is the reverse order of removal.
1. Engine coolant temperature sensor 2. Washer 3. Gasket
4. Radiator hose (upper) 5. Water outlet 6. Heater hose
7. Heater hose 8. Water hose (Northern Europe models) 9. Water hose (Northern Europe models)
A. To electronic throttle control actua-
torB. To heater core C. To radiator
: Engine front
PBIC3816E

SERVICE DATA AND SPECIFICATIONS (SDS)
CO-27
< SERVICE DATA AND SPECIFICATIONS (SDS) [HR16DE]
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SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Periodical Maintenance SpecificationINFOID:0000000001381577
ENGINE COOLANT CAPACITY (APPROXIMATE)
Unit: (Imp qt)
RadiatorINFOID:0000000001381578
RESERVOIR TANK CAP
Unit: kPa (bar, kg/cm2, psi)
RADIATOR
Unit: kPa (bar, kg/cm2, psi)
ThermostatINFOID:0000000001381579
Engine coolant capacity [With reservoir tank (“MAX” level)] 6.3 (5-3/8)
Cap relief pressureStandard 140 (1.4, 1.43, 20.3)
Limit 150 (1.5, 1.53, 21.75)
Leakage testing pressure 150 (1.5, 1.53, 21.75)
ThermostatStandard
Valve opening temperature 80.5 - 83.5°C (177 - 182°F)
Maximum valve lift 8.0 mm/95°C (0.315 in/203°F)
Valve closing temperature 77°C (171°F)

CO-28
< FUNCTION DIAGNOSIS >[MR18DE]
COOLING SYSTEM
FUNCTION DIAGNOSIS
COOLING SYSTEM
Cooling CircuitINFOID:0000000001337837
AWBIA0132ZZ
1. Radiator 2. Reservoir tank 3. Water inlet
4. Thermostat 5. Thermostat housing 6. Water pump
7. Cylinder head 8. Cylinder block 9. Water control valve

COOLING SYSTEM
CO-29
< FUNCTION DIAGNOSIS >[MR18DE]
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10. Water outlet 11. Heater 12. Oil cooler
13. Electronic throttle control actuator
A. Thermostat B. Water control valve C. Closed
D. Open E. To heater F. From radiator
G. To radiator H. From heater

CO-30
< SYMPTOM DIAGNOSIS >[MR18DE]
OVERHEATING CAUSE ANALYSIS
SYMPTOM DIAGNOSIS
OVERHEATING CAUSE ANALYSIS
Troubleshooting ChartINFOID:0000000001337836
Symptom Check items
Cooling sys-
tem parts
malfunctionPoor heat transferWater pump malfunction Worn or loose drive belt
— Thermostat stuck closed Thermostat
Damaged finsDust contamination or pa-
per clogging
Physical damage
Clogged radiator cooling
tubeExcess foreign material
(rust, dirt, sand, etc.)
Reduced air flowCooling fan does not oper-
ate
Fan assembly— High resistance to fan rota-
tion
Damaged fan blades
Damaged radiator shroud — —
Improper engine coolant
mixture ratio—
—
Engine coolant viscosity—
Poor engine coolant quality — —
Insufficient engine coolantEngine coolant leaksCooling hoseLoose clamp
Cracked hose
Water pump Poor sealing
Radiator capLoose
Poor sealing
RadiatorO-ring for damage, deterio-
ration or improper fitting
Cracked radiator tank
Cracked radiator core
Reservoir tank Cracked reservoir tank
Overflowing reservoir tankExhaust gas leaks into cool-
ing systemCylinder head deterioration
Cylinder head gasket deteri-
oration

OVERHEATING CAUSE ANALYSIS
CO-31
< SYMPTOM DIAGNOSIS >[MR18DE]
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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 ex-
tended time
Driving at extremely high
speed
Power train system mal-
function
— Installed improper size
wheels and tires
Dragging brakes
Improper ignition timing
Blocked or restricted air
flowBlocked bumper —
Installed front bumper fas-
cia cover
— Blocked radiator grille
Mud contamination or paper
clogging
Blocked radiator
—
Blocked air flow Blocked condenser
Installed large fog lamp Symptom Check items