ENGINE COOLING
6B-5
DIAGNOSIS
Condition
Possible cause
Correction
Engine overheats
D
Not enough coolant
D
Faulty thermostat
D
Faulty water pump
D
Dirty or bent radiator fins
D
Coolant leakage on cooling system
D
Defective cooling fan motor
D
Faulty fan motor control circuit
D
Plugged radiator
D
Faulty degassing tank cap
D
Dragging brakes
D
Slipping clutch
Check coolant level and add as
necessary.
Replace.
Replace.
Clean or remedy.
Repair.
Check and replace as necessary.
Repair or replace
Check and replace radiator as
necessary.
Replace.
Adjust brake.
Adjust or replace.