Nissan Qashqai (2007-2010). Manual — part 105
CO-3
C
D
E
F
G
H
I
J
K
L
M
CO
A
N
O
P
Inspection . . . . . . . . . . . . . . . .
WATER PUMP . . . . . . . . . . . . ...
Exploded View . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
Inspection . . . . . . . . . . . . . . . .
WATER OUTLET AND THERMOSTAT AS-
SEMBLY . . . . . . . . . . . . . . . .
Exploded View . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
Inspection . . . . . . . . . . . . . . . .
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . .
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . . . .
Periodical Maintenance Specification . . . . .
Radiator . . . . . . . . . . . . . . . . ...
![](/vehicle/qul/ene/roryboritele/slintings.png)
CO-4
< FUNCTION DIAGNOSIS >
[HR16DE]
DESCRIPTION
FUNCTION DIAGNOSIS
DESCRIPTION
Engine Cooling System
INFOID:0000000000903731
Engine Cooling System Schematic
INFOID:0000000000903732
JPBIA0304GB
JPBIA0305GB
![](/vehicle/qul/ene/roryboritele/kyt.png)
OVERHEATING CAUSE ANALYSIS
CO-5
< SYMPTOM DIAGNOSIS >
[HR16DE]
C
D
E
F
G
H
I
J
K
L
M
A
CO
N
P
O
SYMPTOM DIAGNOSIS
OVERHEATING CAUSE ANALYSIS
Troubleshooting Chart
INFOID:0000000000903733
Symptom
Check items
Cooling sys-
tem parts
malfunction
Poor heat transfer
Water pump malfunction
Worn or loose drive belt
—
Thermostat stuck closed
—
Damaged 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 viscosity
—
Insufficient engine coolant
Engine coolant leaks
Cooling hose
Loose clamp
Cracked hose
Water pump
Poor sealing
Reservoir tank 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 leaks into cool-
ing system
Cylinder head deterioration
Cylinder head gasket deteri-
oration
![](/vehicle/qul/ene/roryboritele/ndaly.png)
CO-6
< SYMPTOM DIAGNOSIS >
[HR16DE]
OVERHEATING CAUSE ANALYSIS
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
Power train system mal-
function
—
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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