JAC J2 User Manual

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Maintenance Manual for J2 Sedan
Mechanical Part of Engine
112
VIII.
Tr
ouble
Analysis
Table for Overheating Cause Analysis
Symptom
Item
should
be
inspected
W
ater pump
malfunction
Worn or loosening of drive
belt
Stuck of thermostat at
closed position
Blockage due to dust or
paper scraps
Radiator is damaged
Mechanical damage
Improper heat radiation
The radiator cooling is
blocked
Excessive foreign
substances (corrosion,
pollutants, sand, etc.)
—
The cooling fan fails to
work
The resistance for fan
rotation is too large
Insufficient air flow
The fan blade is
damaged
Fan
assembly
—
Damaged wind collection
cover
—
—
—
Incorrect blend ratio of
coolant
—
—
—
Poor quality of engine
coolant
—
Viscous engine c
oolant
Loose clamp
Coolant hose
Broken hose
W
ater
pump
Improper
sealing
Looseness
Poor sealing
Broken radiator coolant
reservoir
Radiator cap
Broken radiator core
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Insufficient
engine
coolant
Engine
coolant
leaks
Coolant reservoir
Breakage of stock solution
tank
Excessively high engine
speed in the case of no-load
Long-term traveling
—
The engine is overloaded
Abnormal driving
Driving at ultra high-speed
Drive train failure
Wheel and tyre with
incorrect specifications
mounted
Braking drag
Incorrect ignition timing
—
The vent of bumper is
blocked
—
Cover mounted
The radiator grill is
blocked
Blockage of slurry or paper
scraps
The radiator is
blocked
—
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m
s
Poor ventilation
The condenser is
blocked
Poor ventilation
—

JAC J2 Specifications

General

Brand	JAC
Model	J2
Category	Automobile
Language	English