If it doesn’t provide cooling, the engine will overheat. As it moves back through the radiator, the heat is dispersed, allowing the fluid to re-enter the engine at lower temperatures. With a properly-running water pump, the engine remains at a consistent temperature.Īs the coolant moves through the engine, the coolant takes on the heat. The water pump is responsible for taking the coolant out of the radiator and moving it through the motor and then back to the radiator once again, so the cycle can continue. Either way, if the temperature gauge ever reaches danger zones, you should have the cooling system looked at. However, it may drop slightly if you are driving at highway speeds and there’s a lot of air circulation. If the coolant can’t circulate and reduce the temperature, the engine is going to start running hot. While it’s not as common, you could see the engine temperature fluctuating between normal and hot. It doesn’t take long to harm the engine in ways that are unrepairable and require a replacement. It’s never wise to drive while the engine is overheating, not even for a short distance. Whatever is causing the steam or smoke, you should pull your car over immediately. However, it could also occur because of a poor radiator cap, which can cause coolant to be lost. If there is steam or white smoke coming from the radiator, you can bet that the engine is probably overheating, maybe because of a defective water pump. You should take these symptoms as a warning that it’s time to take action. Once you hear the noises, you have no time left to waste. This problem is usually caused by a worn-out shaft bearing. A failing water pump could lead to resistance and make the belt slip on the pulley, causing a strange noise. It’s similar to what you would hear when the serpentine belt makes noise. This sound comes out of the front of the engine. Squealing Noiseįailing water pumps are known for making a unique squealing or chirping noise. Either way, continuing to drive with an overheating engine leads to massive failure, whether it’s through a blown head gasket, seized engine or warped cylinder head. The impeller may have also been broken from freezing temperatures or debris infiltration. If you discover that the water pump is the culprit, there are multiple things that could have happened. Mechanical failure can also be blamed, such as when the thermostat fails. It can also be caused by an air pocket in the coolant system or contaminated fluid. If the temperature gauge starts to rise and the engine overheats, it’s a sign that the coolant isn’t doing its job.Ī failing water pump is one reason for this occurrence. The coolant is responsible for keeping the engine temperature in normal operating range. If too much fluid drips out, it could lead to an overheating engine and permanent damage to the motor. If this is the case, you will see a white trail of dried coolant.Įither way, you want to deal with the coolant leak right away. Instead, it drips on the front of the engine and the heat dries it up quickly. When the leak is minor, it may not even reach the ground below the vehicle. The gasket surrounding the water pump could be causing the leak, as well as the seal on its shaft. If the coolant is leaking from the front of the engine, you may want to check the pump. Leaking CoolantĬoolant leaks can happen because of many reasons, so a bad water pump isn’t always to blame, but it’s a possibility to consider. In some cases, you will also deal with an unstable engine temperature, making it difficult to diagnose the problem.Įxamine these possibilities in detail to see if you are dealing with a failing water pump. There could also be a squealing noise or white smoke coming from the engine. When the water pump fails, you may notice a coolant leak and the engine can overheat.
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