![]() 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. Faulty EGR cooler What Causes A Low Coolant Level? If you notice an oily surface in your coolant, immediately have your mechanic inspect your XF for head gasket leakage.5. ![]() Taking off the coolant reservoir cap on a warm engine could cause the cap to up explosively and fluid to spray out of the reservoir. See our video on how to add engine coolant for tips on adding coolant to your XF.Īlways wear safety goggles when working on your XF. If you need to add anti-freeze, be sure to check your owners manual to determine the correct type of coolant to add - in Jaguars, it usually located in a section titled Fluid Capacities towards the end of your manual. The video above shows you where the coolant reservoir in your XF is located and how to check the coolant / antifreeze level. ![]() Engine coolant / antifreeze circulates through your engine to keep it cool in the summer but won't freeze in the winter. In order to get an accurate reading, your 4.2 liter engine should be cool to the touch when you check it. Checking the engine coolant (also known as antifreeze) level in your 2009 Jaguar XF is pretty easy. ![]()
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