Page 744 - Foton Workshop Manual - Sauvana

16A-2 COOLING - COOLING SYSTEM

TABLE OF MALFUNCTION SYMPTOMS

The table below can help you to rapidly find out the required malfunction information.

Malfunction Possible Cause Reference
Symptoms

Lack of coolant Fill up coolant to normal level
Check leakage point and replace
Coolant leakage
damaged parts if necessary

Unnecessary air in cooling pipe Drain air in cooling system
Faulty thermostat Replace thermostat

Check and adjust injector advance angle if
Noisy engine
necessary
Overheated
water in engine Poor radiation due to impurities Clean exterior impurities
on heat radiator exterior,

Poor radiation due to internal Clean or replace heat radiator
blockage
Check electronic fan harness or replace electronic
Electronic fan not working
fan

Blockage in cooling system pipe Clean or replace pipe
Damaged coolant filler cap Replace coolant filler cap

Cold water in Electronic fan runs frequently Check electronic fan and harness
engine Thermostat is always open Check or replace thermostat

Heat radiator leakage Check or replace heat radiator
Aged and leaking cooling pipe Replace cooling pipe

Loose or leaking water pump Replace water pump
bearing
Insufficient
engine coolant Damaged coolant filler cap Replace coolant filler cap
Damaged engine cylinder Replace cylinder gasket
gasket
Leakage in engine cylinder or Replace plug
cylinder head plug

Strange noise in Faulty electronic fan Check or replace electronic fan
engine Faulty water pump Check or replace water pump

Open-circuit fuse Replace fuse
Faulty relay Replace relay
Electronic fan
not working Faulty coolant temperature Replace coolant temperature sensor
sensor
Faulty engine control unit Check and replace engine control unit

Page 744