No. 17 Cooling System Concerns-Overheating: Notes

17	COOLING SYSTEM CONCERNS-OVERHEATING
DESCRIPTION	Engine runs at higher than normal temperature/overheats.
POSSIBLE CAUSE	Improper coolant level Coolant leakage Improper water/anti-freeze mixture Poor radiator condition Radiator hoses damage Improper or damaged radiator cap Coolant overflow system malfunction Fans reverse rotation Blown cooling fan control related fuses PCM DTC is stored. A/C system operation is improper. Cooling fan is inoperative. Improper tension of drive belt Drive belt damage Coolant leakage from climate control unit Improper water temperature gauge operation CHT sensor malfunction Instrument cluster malfunction Thermostat malfunction Cylinder block or cylinder head malfunction (cracked, coolant restriction)