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DI06-13 CHANGED BY EFFECTIVE DATE AFFECTED VIN COOLING SYSTEM DI ENG SM - 2004.4 • Replace radiator • Replace coolant reservoir • Replace heater • Reconnect hose or replace clamp • Replace hose • Replace gasket • Replace water pump • Replace water inlet cap gasket • Replace thermostat sealing • Retighten • Replace cylinder head gasket • Add coolant • Check coolant concentration • Repair or replace hose • Replace thermostat • Replace water pump • Replace radiator • Replace coolant reservoir or cap • Replace cylinder head or cylinder block • Clean coolant passages • Clean radiator core • Replace cooling fan or repair related circuit • Replace sensor or repair related circuit • Replace thermostat • Replace cooling fan or repair related circuit • Replace sensor or repair related circuit Trouble Diagnosis Action Symptom • Leaks in radiator • Leaks in coolant reservoir • Leaks in heater core • Leaks in hose connection • Damaged coolant hose • Leaks in water pump gasket • Leaks in water pump internal seal • Leaks in coolant inlet cap • Leaks in thermostat housing • Improper tightening torque of cylinder head • Damaged cylinder head gasket • Coolant leaks (too low coolant level) • Improper coolant mixture ratio • Kinked coolant hose • Defective thermostat • Defective water pump • Defective radiator • Defective coolant reservoir and cap • Cracks on cylinder head or cylinder block • Clogged coolant passages in cylinder head or cylinder block • Clogged radiator core • Improper operation of cooling fan • Faulty temperature sensor or defective harness • Stuck thermostat (with open) • Improper operation of cooling fan • Faulty temperature sensor or defective harness Cause Excessively Low coolant Excessively |