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. Faulty EGR cooler What Causes A Low Coolant Level?
