![]() Unfortunately, the car might shut off with little or no warning. That is a protective measure to ensure the engine doesn’t damage itself at dangerously high temperatures. Some cars are designed to shut off completely when coolant levels drop and overheating occurs. Some cars are equipped to quickly sense that problem as it happens and warn you about it with indicators on the instrument panel. In the previous section, you read that a coolant leak from the bottom of your car can cause the engine to overheat. Those sensors monitor things like coolant levels and engine temperatures and supply that data to the computer, which then reacts according to its design. One such function also lets the computer know if or when the cooling system fails, and the engine is overheating. Those sensors collect data and feed it to the onboard computer, optimizing the car’s functions to keep you and your passengers safe on the road. They come equipped with countless sensors throughout the car, ensuring everything functions correctly. Late-model vehicles these days are more computerized than ever before. Within minutes, your engine could be overheating and steam coming out from under the hood. As a result, there’s a strong likelihood you’ll get in your car and start the engine without realizing the leak at all. Worse yet, the leak happens out of your regular line of sight, directly underneath the vehicle. That’s because the leak gradually empties the coolant reservoir, leaving the engine with nothing to prevent it from reaching dangerously high temperatures. The second reason a coolant leak is so severe is that it will lead to engine overheating, without a doubt. Read: The Fastest Way To Cool Down An Overheated Car Engine The problem: Thankfully, those engines have cooling systems circulating coolant to manage the temperature and prevent that from happening. Those continuous explosions generate so much heat that an engine can overheat within minutes. After all, an engine generates power by continuously igniting an air/fuel mixture in its chambers to turn a crankshaft. ![]() Engine Will Overheat When DrivenĬombustion engine vehicles run incredibly hot, which should be no surprise. Read: What Happens If The Car Engine Coolant Is Low? 2. The danger becomes even greater if so much has leaked that a puddle forms underneath your vehicle or if it flows down your driveway. In other words, the coolant dripping underneath your car can burn and set your vehicle alight. That’s largely thanks to the chemicals in antifreeze that serve an important purpose but can also ignite into flames given the right circumstances. The first reason a coolant leak is a serious problem you must never ignore is that it is flammable. Whether you call it coolant or antifreeze, it’s a crucial substance to help the engine function despite extreme temperatures. Antifreeze on its own isn’t coolant until it gets mixed with water, typically at a 50:50 ratio. However, it also works on the other end of the temperature spectrum to prevent the engine from overheating.ĭespite how people use the terms ‘antifreeze’ and ‘coolant’ interchangeably, they’re actually two separate things. Antifreeze Is FlammableĪntifreeze consists of ethylene glycol or propylene glycol, among many other ingredients.Īs the name suggests, antifreeze is designed to stop the engine from freezing in extremely cold climates. Here are the 5 reasons why leaking coolant from underneath your car is such a serious problem: 1.
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