Nissan Rogue. Instruction — part 202
CO-4
< SYSTEM DESCRIPTION >
DESCRIPTION
SYSTEM DESCRIPTION
DESCRIPTION
Engine Cooling System
INFOID:0000000011279696
ALBIA0940ZZ
1. Thermostat
2. Water outlet
3. Cylinder block (Thermostat housing)
4. Water inlet
5. Radiator
6. Water pump
7. Cylinder block
8. Cylinder head
A. Open
B. Closed
C. To electric throttle control actuator D. To oil cooler
E. To heater
F. From heater
G. From electric throttle control actuator
H. From oil cooler
I.
To CVT oil warmer
J. From CVT oil warmer
DESCRIPTION
CO-5
< SYSTEM DESCRIPTION >
C
D
E
F
G
H
I
J
K
L
M
A
CO
N
P
O
Engine Cooling System Schematic
INFOID:0000000011279697
ALBIA0941ZZ
1. Radiator
2. Water inlet
3. Reservoir tank
4. Thermostat
5. Thermostat housing
6. Water pump
7. Cylinder head
8. Cylinder block
9. Water outlet
10. Heater
11. Oil cooler
12. Electric throttle control actuator
A.
Open
B. Closed
CO-6
< SYMPTOM DIAGNOSIS >
OVERHEATING CAUSE ANALYSIS
SYMPTOM DIAGNOSIS
OVERHEATING CAUSE ANALYSIS
Troubleshooting Chart
INFOID:0000000011279698
Symptom
Check items
Cooling sys-
tem parts
malfunction
Poor heat transfer
Water pump malfunction
Worn or loose drive belt
—
Thermostat and water con-
trol valve stuck closed
—
Damaged radiator fins
Dust contamination or pa-
per clogging
Physical damage
Clogged radiator cooling
tube
Excess foreign material
(rust, dirt, sand, etc.)
Reduced air flow
Cooling 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 density
—
Insufficient engine coolant
Engine coolant leakage
Cooling hose
Loose clamp
Cracked hose
Water pump
Poor sealing
Radiator cap
Loose
Poor sealing
Radiator
O-ring for damage, deterio-
ration or improper fitting
Cracked radiator tank
Cracked radiator core
Reservoir tank
Cracked reservoir tank
Overflowing reservoir tank
Exhaust gas leakage into
cooling system
Cylinder head deterioration
Cylinder head gasket deteri-
oration
OVERHEATING CAUSE ANALYSIS
CO-7
< SYMPTOM DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
A
CO
N
P
O
Except cool-
ing system
parts mal-
function
—
Overload on engine
Abusive driving
High engine rpm under no
load
Driving in low gear for ex-
tended time
Driving at extremely high
speed
Powertrain system malfunc-
tion
—
Installed improper size
wheels and tires
Dragging brakes
Improper ignition timing
Blocked or restricted air
flow
Blocked bumper
—
—
Blocked radiator grille
Installed car brassiere
Mud contamination or paper
clogging
Blocked radiator
—
Blocked condenser
Blocked air flow
Installed large fog lamp
Symptom
Check items
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