2007 NISSAN TIIDA radiator

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CONTENTS
ENGINE COOLING SYSTEM
HR16DE
FUNCTION DIAGNOSIS ...............................
4
DESCRIPTION ....................................................4
Engine Cooling System .............................................4
Engine Cooling System Schematic ...........................5
SYMPTOM DIAGNOSIS ...............................6
OVERHEATING CAUSE ANALYSIS ..................6
Troubleshooting Chart ...............................................6
PRECAUTION ...............................................8
PRECAUTIONS ...................................................8
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ...................................................................
8
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect .....................................
8
Precaution for Liquid Gasket .....................................8
PREPARATION ...........................................10
PREPARATION ..................................................10
Special Service Tool ...............................................10
Commercial Service Tool ........................................10
ON-VEHICLE MAINTENANCE ....................11
ENGINE COOLANT ...........................................11
Inspection ................................................................11
Changing Engine Coolant .......................................11
RADIATOR .........................................................14
Checking Radiator Cap ...........................................14
Checking Radiator ...................................................14
ON-VEHICLE REPAIR .................................16
RADIATOR .........................................................16
Component ..............................................................16
Removal and Installation .........................................16
COOLING FAN ..................................................18
Component (Models with A/C) .................................18
Component (Models without A/C) ............................18
Removal and Installation .........................................19
WATER PUMP ..................................................20
Exploded View .........................................................20
Removal and Installation .........................................20
Inspection ................................................................21
THERMOSTAT ..................................................22
Exploded View .........................................................22
Removal and Installation .........................................22
Inspection ................................................................23
WATER OUTLET ..............................................24
Exploded View .........................................................24
Removal and Installation .........................................24
Inspection ................................................................25
DISASSEMBLY AND ASSEMBLY ..............26
COOLING FAN ..................................................26
DISASSEMBLY AND ASSEMBLY ..........................26
SERVICE DATA AND SPECIFICATIONS
(SDS) ............................................................
27
SERVICE DATA AND SPECIFICATIONS
(SDS) .................................................................
27
Periodical Maintenance Specification ......................27
Radiator ...................................................................27
Thermostat ..............................................................27
MR18DE
FUNCTION DIAGNOSIS ..............................
28
COOLING SYSTEM ..........................................28
Cooling Circuit .........................................................28

CO-2
SYMPTOM DIAGNOSIS .............................30
OVERHEATING CAUSE ANALYSIS ................30
Troubleshooting Chart ............................................30
PRECAUTION .............................................32
PRECAUTIONS .................................................32
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" .................................................................
32
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect ..................................
32
Precaution for Liquid Gasket ..................................32
PREPARATION ...........................................34
PREPARATION .................................................34
Special Service Tool ...............................................34
Commercial Service Tool .......................................34
ON-VEHICLE MAINTENANCE ...................35
ENGINE COOLANT ...........................................35
Inspection ...............................................................35
Changing Engine Coolant .......................................35
RADIATOR ........................................................38
Checking Radiator Cap ..........................................38
Checking Radiator ..................................................38
ON-VEHICLE REPAIR ................................40
RADIATOR ........................................................40
Component .............................................................40
Removal and Installation ........................................40
COOLING FAN ..................................................42
Component (Models with A/C) ................................42
Component (Models without A/C) ...........................42
Removal and Installation ........................................43
WATER PUMP ...................................................44
Component .............................................................44
Removal and Installation ........................................44
THERMOSTAT ..................................................45
Component .............................................................45
Removal and Installation ........................................45
WATER OUTLET AND WATER CONTROL
VALVE ...............................................................
47
Component .............................................................47
Removal and Installation ........................................47
DISASSEMBLY AND ASSEMBLY .............50
COOLING FAN ..................................................50
DISASSEMBLY AND ASSEMBLY .........................50
SERVICE DATA AND SPECIFICATIONS
(SDS) ...........................................................
51
SERVICE DATA AND SPECIFICATIONS
(SDS) .................................................................
51
Standard and Limit ..................................................51
K9K
FUNCTION DIAGNOSIS ............................
52
DESCRIPTION ...................................................52
Engine Cooling System .........................................52
SYMPTOM DIAGNOSIS ............................53
OVERHEATING CAUSE ANALYSIS ................53
Troubleshooting Chart ............................................53
PRECAUTION ............................................55
PRECAUTIONS .................................................55
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" .................................................................
55
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect ..................................
55
Precaution for Liquid Gasket ...................................55
PREPARATION ..........................................57
PREPARATION .................................................57
Special Service Tools .............................................57
Commercial Service Tools ......................................57
ON-VEHICLE MAINTENANCE ..................58
ENGINE COOLANT ...........................................58
Inspection ................................................................58
Draining ...................................................................58
Refilling ...................................................................58
Flushing ..................................................................59
RADIATOR ........................................................60
Checking Radiator Cap ...........................................60
Checking Radiator ..................................................60
ON-VEHICLE REPAIR ...............................62
RADIATOR ........................................................62
Exploded View ........................................................62
Removal and Installation .........................................62
Inspection ................................................................63
COOLING FAN ..................................................64
Exploded View ........................................................64
Removal and Installation .........................................64
Disassembly and Assembly ....................................65
Inspection ................................................................65
WATER PUMP ...................................................66
Exploded View ........................................................66
Removal and Installation .........................................66
Inspection ................................................................66

CO-3
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WATER OUTLET AND THERMOSTAT AS-
SEMBLY .............................................................
68
Exploded View ........................................................68
Removal and Installation .........................................68
Inspection ................................................................68
SERVICE DATA AND SPECIFICATIONS
(SDS) ............................................................
70
SERVICE DATA AND SPECIFICATIONS
(SDS) .................................................................
70
Periodical Maintenance Specification ....................70
Radiator ...................................................................70
Thermostat ..............................................................70

CO-4
< FUNCTION DIAGNOSIS >[HR16DE]
DESCRIPTION
FUNCTION DIAGNOSIS
DESCRIPTION
Engine Cooling SystemINFOID:0000000001381550
AWBIA0155ZZ
1. Cylinder head 2. Cylinder block 3. Water pump
4. Thermostat 5. Water inlet 6. Water bypass
7. Water outlet A. From radiator B. To radiator
C. From electronic throttle control actu-
ator (Northern European models)D. From heater E. To heater
F. To electronic throttle control actuator
(Northern European models)

DESCRIPTION
CO-5
< FUNCTION DIAGNOSIS >[HR16DE]
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Engine Cooling System SchematicINFOID:0000000001381551
AWBIA0130ZZ
1. Reservoir tank 2. Radiator 3. Water inlet
4. Thermostat 5. Water bypass 6. Water jacket
7. Water pump 8. Cylinder block 9. Cylinder head
10. Water outlet 11. Electronic throttle control actuator 12. Heater
A. Thermostat open B. Thermostat closed C. Constant
D. Northern European models

CO-6
< SYMPTOM DIAGNOSIS >[HR16DE]
OVERHEATING CAUSE ANALYSIS
SYMPTOM DIAGNOSIS
OVERHEATING CAUSE ANALYSIS
Troubleshooting ChartINFOID:0000000001381552
Symptom Check items
Cooling sys-
tem parts
malfunctionPoor heat transferWater pump malfunction Worn or loose drive belt
— Thermostat stuck closed —
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———
Poor engine coolant quality — Engine coolant viscosity —
Insufficient engine coolantEngine coolant leaksCooling hoseLoose clamp
Cracked hose
Water pump Poor sealing
Reservoir tank 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-7
< SYMPTOM DIAGNOSIS >[HR16DE]
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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 —
— Blocked radiator grilleInstalled car brassiere
Mud contamination or paper
clogging
Blocked radiator —
Blocked condenser
Blocked air flow
Installed large fog lamp Symptom Check items

CO-10
< PREPARATION >[HR16DE]
PREPARATION
PREPARATION
PREPARATION
Special Service ToolINFOID:0000000001534595
The actual shapes of Kent-Moore tools may from those of special service tools illustrated here.
Commercial Service ToolINFOID:0000000001534596
Tool number
(Kent-Moore No.)
Tool nameDescription
K V 1 0 1111 0 0
(J-37228)
Seal cutterRemoving chain tensioner cover and water
pump cover
—
(J-23688)
Engine coolant refractometerChecking concentration of ethylene glycol in
engine coolant
NT046
WBIA0539E
NISSAN tool number
Tool nameDescription
Radiator cap tester Checking radiator and radiator cap
(J-33984-A)
Radiator cap tester adapterAdapting radiator cap tester to radiator cap
and radiator filler neck
a: 28 (1.10) dia.
b: 31.4 (1.236) dia.
c: 41.3 (1.626) dia.
Unit: mm (in)
WS39930000
Tube pressurePressing the tube of liquid gasket
PBIC1982E
S-NT564
S-NT052