Infiniti F50. Manual — part 284
OVERHEATING CAUSE ANALYSIS
CO-5
C
D
E
F
G
H
I
J
K
L
M
A
CO
OVERHEATING CAUSE ANALYSIS
PFP:00012
Troubleshooting Chart
EBS00257
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
paper 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 leaks
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 leaks into
cooling system
Cylinder head deterioration
Cylinder head gasket dete-
rioration
CO-6
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
extended time
Driving at extremely high
speed
Powertrain 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
COOLING SYSTEM
CO-7
C
D
E
F
G
H
I
J
K
L
M
A
CO
COOLING SYSTEM
PFP:21020
Cooling Circuit
EBS001KG
SBIA0340E
CO-8
COOLING SYSTEM
System Drawing
EBS00KMZ
PBIC0160E
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст