Engine Overheating

Problem	Action
Coolant fan inoperative	Refer to Low Engine Coolant Indicator Always On .
Thermostat stuck closed	Replace the thermostat.
Radiator fins obstructed	Remove or relocate add-on parts that block air to the radiator Clean away bugs, leaves, etc. In cold climates, clear away snow, etc. from the radiator core
Surge tank outlet hose pinched or kinked (at radiator)	Relieve kinks by re-routing Replace the hose if necessary
Incorrect radiator	Replace with the correct radiator.
Loss of system pressure	Pressure check the system and the surge tank cap Ensure that the correct cap is being used
Damaged or missing air seals or deflector	Repair or replace as required.
Malfunctioning coolant pump	Replace the coolant pump. Refer to Water Pump Replacement (L61) or Water Pump Replacement (L66) .
Air trapped in cooling system	Refill the cooling system.