![]() Most engine parts are made of metal, and as you may already know, metal expands and shrinks depending on the temperature. To repair it, you have to replace the whole engine block. These hotspots can cause extreme temperatures in the engine block, which can actually cause it to crack, and a crack in the engine block or cylinder head is the last thing you want. As we told you before, low engine coolant can create hotspots in the cooling system. Damaged Engine blockĪn even more serious issue that can occur if you drive with a low engine coolant is a damaged or cracked engine block. Related: Symptoms of a Bad Head Gasket 4. Replacing the head gasket is often quite expensive, and you can expect repair costs of over $1000 however, it is nothing compared to what comes next. ![]() The head gasket is located between the engine head and the cylinder head its purpose is to separate compression, oil, and coolant. Blowing the head gasketĪ very common thing that can happen when your engine overheats due to low engine coolant is a blown head gasket. Overheating Engineīecause of the airlocks in the coolant system that we talked about before, the water pump will not pump around the coolant to keep the engine at a good temperature, and this will cause the engine to overheat.Īn overheating engine can cause many expensive issues with your engine, which we discuss in the next sections. The first thing that could happen if you drive around with low coolant is that the water pump will pump air into the coolant system, which will cause airlocks in the coolant system.Īirlocks will cause the cooling system’s flow to be disturbed, which will cause an overheating engine. Here is a more detailed list of what can happen if you ignore & drive around with a low engine coolant level: 1. An overheating engine can lead to a blown head gasket or a damaged engine block. The most common consequence of driving with a low engine coolant is air in the cooling system, resulting in an overheating engine. Consequences of Driving With Low Engine Coolant Level You will find more possible symptoms further down in the article, but first, let’s take a look at the consequences of driving with a low engine coolant level. ![]() Just topping up the coolant level should never be a long-term solution. The leaks can come from leaking hoses, sensors, or gaskets. The most common reason for a low coolant level is a leaking cooling system. Unfortunately, cars are not always known for being problem-free, and therefore, problems can occur that cause the coolant level to drop.īut is it safe to drive with a low engine coolant level? What causes it, and how do you recognize it without opening the hood? Let’s find out! But first, let’s take a look at the reasons why your coolant level is low. The coolant system in a car is a sealed system which means that the coolant level should stay even if everything works as it should. It is important to keep this heat under control by using a cooling system. At times, temperatures hit well over 200 degrees. The engine internal combustion unit produces a lot of heat.
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