4. COOLING
SYSTEM
4-2
Trouble S
hooting
Sharp rise of w
ater temperature
●
Faulty radiator cap
●
Air in cooling system
● Faulty water pum
p
●
Faulty therm
ostat (thermostat is not open)
●
Clogged radiator pipe or cooling pipes
●
Da
mage or clogged radiator fin
●
Coolant is not enough
●
Faulty or m
alfunction of fan motor
No rise or slow rise of water temperature.
Faulty thermostat (thermostat is not closed)
Faulty circuit of water temperature display
Coolant leakage
●
Faulty water se
al
●
O-ring
s are aged, damaged or improperly sealed.
●
W
ashers are aged, damaged or improperly sealed.
●
Im
proper installation of pipes or hoses
● Pipes and/or hoses are aged, dam
aged or improperly sealed