Cooling system defect
Engine overheat.
-
L
Improper servicing
+
r
Lack of oil
t-
Improper oil
Low oil pressure
High coolant temperature - Over heat
Clogged filter and strainer.
Worn bearings and oil pump.
Faulty relief valve.
Insufficient coolant amount.
Fan belt slippage.
Thermostat malfunction.
Radiator filler cap malfunction.
Cooling system interior fouled.
Radiator clogging.
Engine over-loaded.
Air cleaner element clogging.
insufficient ventilator.
Stopped coolant flow
(high concentration of antifreezer, etc.)
Oil leakage
Large oil consumption.
Wrong selection of kind and
viscosity.
77