13. COOLING SYSTEM
13-4
E-4. Remove thermostat from
holder then heats it by
water directly to check if it
work or not?
F. Confirm the cooling fan was
convulsion?
E-3. Keep eng. 3000~4000
rpm and inspect coolant
flow into reserve tank
after the temperature
gauge over 3 checks?
To bleed the air bubbles
completely, open radiator cap
and start engine while engine
is cool then press water hose
softly by hand. Turn the throttle
repeatedly until the coolant
surface becomes stable.
Y
E-2. Connect cooling fan
terminals with battery
(12V) directly to inspect
its operation?
N
Replace cooling fan
Meter unusual
Y
Y
Y
Y
Refill coolant then
check again
Y
Replace thermostat
N
E. Keep eng. 3000~4000 rpm
and inspect cooling fan was
operating after the
temperature gauge over 3
checks?
Replace thermal switch
N
E-1. Measure thermal switch to
confirm voltage be
changed (12→0V)?
N
Notice the water hose
can’t be unsuitably
bend or twisted.
If circuit connects reverse
cooling fan will forward,
correct and check again.
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