Item Description Package include: 1 x 1 Coolant Tank What are the failure symptoms of Radiator Coolant Tank? 1. Constantly low on coolant. 2. Coolant leaks. 3. Engine overheating. 4.Rust forming on the radiator. 5.Hissing sounds or steam comes from the hood of the engine. The coolant reservoir is an essential part of your vehicle’s cooling system, so it should be in good working condition. As soon as you notice any problems, have the vehicle looked at as soon as possible so as not to cause damage to your engine. For the following years and models: .