Common Symptoms of a Bad or Failing Radiator Hose
The radiator hose is part of your car’s cooling system, carrying the coolant to the radiator, where the fluid is cooled, then back to the engine to keep the vehicle from overheating. The upper hose attaches from the top of the radiator to the top of the engine at the thermostat housing. The lower hose, pictured above, attaches from the bottom of the radiator to the water pump of the engine. If you suspect either of these hoses is failing, you should look for these symptoms: