Even if it appears, it’s still working, flush it, as it’s only a matter of time before it starts acting abnormally. The coolant, over time, may have accumulated dust and other debris that might reduce its working capacity. You may also need a coolant flush if you have been driving your car for a long. Is your engine’s heat indicator or thermometer up and causing the check engine light to turn? An overheating engine may trigger this. One of the most common signs you need a coolant flush is engine overheating.Ĭoolant generally helps keep the engine cool when running, so if it suddenly starts overheating, the fluid might be dirty and unable to work as intended. And an excellent way to know is to check the coolant once in a while A drastic change in the color and consistency of the coolant may also indicate your engine needs a coolant flush. If you regularly drive, especially during summer, you may need a coolant flush sooner than recommended, as coolant works more during this time. However, aside from sticking that, whether your car needs a coolant flush or not will depend on the coolant’s condition, or you may want to look out for other signs like bad coolant color. Does my engine need a coolant flush?Ĭars often have manufacturer-recommended intervals to change or to do a coolant flush. A coolant flush also helps in checking the cooling system for signs or damages that can hinder engine performance. So dirt and sludge are eliminated from every part that stores and transports the coolant throughout the engine. Coolant flush, however, ensures all the old dirty coolant leaves the system before a new one is added. So here, some remnants of the old coolant would eventually contaminate the freshly added coolant. It’s worth noting that coolant flush is different from coolant change.Ĭoolant change focuses on just changing coolant, and not all old dirty coolant leaves the system before a new one is added. The process involves removing all the coolant in the radiator and reservoir and replacing it with a fresh one. But first, what is a coolant flush?Ī coolant flush is the process of getting rid of dirt, sludge, rust, and other contaminants from your vehicle’s cooling system. Technically, one must choose between a coolant flush which protects your engine, and high repair or engine replacement. You might have a coolant reach the fill line, but if it’s not in the right condition, you may as well damage your engine. But low-level coolant isn’t the only reason your vehicle might overheat. Generally, if, for any reason, your car is short of coolant, your engine can overheat and eventually break down. The radiator fluid, commonly known as coolant or antifreeze, helps keep your engine cool when driving.
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