![]() You might not notice any fluid leaks on the outside of the engine, as the coolant might only be leaking internally into the cylinders. Some of the main signs of a blown head gasket include a loss of compression, white smoke from the exhaust, overheating, and a low coolant level. When they fail, coolant is likely to escape into your engine’s combustion chamber. Since these gaskets are usually made of rubber or a composite material, they don’t last forever. Excess heat or pressure are the main reasons for head gasket failure. ![]() Not only can the problem cause additional damage to your car’s engine, but the cost of repairing a blown head gasket is expensive. Blown Head GasketĪ leaking radiator might seem bad, but a blown head gasket is probably one of the worst reasons for a coolant leak. Most of the time, the entire hose will need to be replaced to repair the issue. If that is the case, then coolant is likely leaking from the connection. ![]() You might notice that some of these connections are wet to the touch. The hose connection to the thermostat is another common source of the leak. Hose clamps are typically used to hold the hoses on the radiator and engine, and these clamps can loosen over time. Next, you might experience a leak due to the hose connections. You should always keep a visible check on your hoses for any cracks or signs of wear. It is not uncommon for an old hose to burst and spew coolant from your vehicle’s cooling system. As the rubber hoses on your vehicle age, they become stiff and brittle. First, you could experience total failure of a hose. Leakage from hoses is not uncommon, and there are a few different places where the coolant could leak. ![]() Your radiator hoses are responsible for carrying the coolant from the engine to the radiator and back. Once the engine cools completely, you can then attempt to remove and replace the cap. Never attempt to remove the cap while your engine is hot! Hot coolant could erupt from the radiator and cause severe burns if it touches you. You might even see a small amount of steam or white smoke coming from under the hood. When coolant leaks out of the radiator cap, you are likely to see drips or puddles underneath your vehicle. If the radiator cap fails, it can allow coolant to escape as the pressure builds in the system. The pressure in the system raises the boiling point of the coolant and helps the engine run at the proper operating temperature. The cap is designed to withstand a certain amount of pressure. Your coolant is pressurized in the system, and the radiator cap plays a significant role. Faulty Radiator Capīelieve it or not, your radiator cap is an important piece of your car’s cooling system. Have a mechanic examine your vehicle to determine the cause of the problem and get it repaired. Most of the time, radiator leakage will lead to a small puddle or at least a few drops of coolant on the ground under your car. Is your radiator leaking? Depending on the severity of the leak, your coolant level might drop quickly. Since coolant is constantly inside the radiator, even a small crack will lead to a leak. ![]() As coolant ages, it becomes acidic and starts to corrode parts of your cooling system. Internal corrosion can also cause your radiator to leak. If a rock hits the radiator at 60 miles per hour, damage is likely to occur. Since the radiator sits at the front of the vehicle, it is susceptible to damage from rocks or other debris on the roadway. First, road debris might damage the radiator. There are a few different reasons that a radiator might develop a crack. Cracked RadiatorĪ cracked radiator will absolutely cause leaking coolant. But what causes these leaks? Here are the most common causes of a coolant leak in your car. Overheating is also one of the most common signs that you have a coolant leak. Symptoms can range from puddles under your car to a sweet smell from the engine bay. There are several symptoms of an antifreeze leak in your vehicle.
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