This will reduce the risk of damaging your radiator or overheating your engine. Removing Deposits of Rust and Scale – These build up in the system over time, and a flush will help push them out of the system. A drain will only remove about half of the coolant in the system and won’t clear the majority of the build up, while a radiator flush will completely remove the coolant and the vast majority of contaminants.įlushing your radiator has various benefits, including: A drain is usually a very inexpensive repair, while a flush will cost a little more. It should generally be performed around once a year to keep your car running optimally, but this can vary between manufacturers.īear in mind that there’s a big difference between having the radiator drained and having it flushed, which is often reflected in the price. There are various benefits to having the radiator system of your car flushed on a regular basis. The engine will then need to cool completely before the mixture can be drained and standard fluid put in place. The additional time comes from leaving the engine to cool initially, running the engine with the detergent mixture through the car, then running the heating system at the highest setting. The procedure itself can take a few hours, which is why you can expect to pay much more for labor than parts. Many mechanics will offer the radiator flush as a one-off procedure or as part of a general service. This is then drained from the engine, and the standard mixture of water and coolant is replaced. This mixture is circulated through the cooling system of the engine, gradually removing any build up in the radiator channels. The procedure involves draining the old coolant from the radiator and replacing it with a special mixture of coolant, detergent and water. If this happens, the engine gradually becomes hotter and hotter, and can eventually cause damage to the engine itself.Ī radiator flush helps to prevent this problem, and should form part of the regular maintenance of your vehicle. This causes blockages, which can make the circulation of the coolant less efficient. Radiator Flush Cost Comparison Your Mechanic WorkĪs you use your car on a regular basis, deposits can start to build up in the radiator system of the car.
A radiator flush costs between $71 & 125, depending on the type of car you drive and where you have it done. When this happens you may need to have your radiator flushed. Over time, small amounts of dirt and debris can clog up the system which circulates the coolant, reducing how effective it is at cooling things down. The coolant in the radiator in the car has the important task of keeping the engine cool and preventing overheating, which can cause severe damage. When Should You Have The Radiator Flushed?.
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