Nissan Qashqai J11. Manual — part 151
PREPARATION
CO-7
< PREPARATION >
[HRA2DDT]
C
D
E
F
G
H
I
J
K
L
M
A
CO
N
P
O
PREPARATION
PREPARATION
Special Service Tool
INFOID:0000000010505225
NISSAN tool number
(RENAULT too number)
Tool name
Description
WS39930000
( — )
Tube pressure
Pressing the tube of liquid gasket
—
(M.S. 554-07)
Tester
Leak checking
Checking reservoir tank cap
—
(M.S. 554-01)
Reservoir tank cap tester adapter A
Adapting tester to reservoir tank
—
(M.S. 554-06)
Reservoir tank cap tester adapter B
Adapting tester to reservoir tank cap
NI. 205
—
Coolant refill tool
Refilling engine cooling system
S-NT052
MLIA0012E
MLIA0013E
MLIA0014E
LMA053
CO-8
< SYSTEM DESCRIPTION >
[HRA2DDT]
DESCRIPTION
SYSTEM DESCRIPTION
DESCRIPTION
Engine Cooling System
INFOID:0000000010416338
for symbol marks in the figure.
1.
Heater core
2.
Water outlet valve
3.
Water outlet air relief plug
4.
Water outlet
5.
Oil cooler
6.
Radiator air relief plug
7.
Radiator
8.
Water inlet and thermostat assembly 9.
Water pump
10. Reservoir tank
11.
Engine
12. Turbocharger
E1BIA1143ZZ
OVERHEATING CAUSE ANALYSIS
CO-9
< SYMPTOM DIAGNOSIS >
[HRA2DDT]
C
D
E
F
G
H
I
J
K
L
M
A
CO
N
P
O
SYMPTOM DIAGNOSIS
OVERHEATING CAUSE ANALYSIS
Troubleshooting Chart
INFOID:0000000010416340
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 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
CO-10
< SYMPTOM DIAGNOSIS >
[HRA2DDT]
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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