CostHelper readers report do-it-yourself radiator flush costs of $13-$34, with an average of $21. For example, a radiator flush kit with clamps and garden hose adapters can cost $1-$15 a bottle of radiator cleaner can cost $3-$25 for a 16-34-ounce bottle and it can cost $10-$30 a gallon for standard antifreeze/coolant (typically green or red) or $15-$40 a gallon for super-long-life antifreeze with a rust/corrosion inhibitor (this coolant is typically orange). Do-it-yourself supplies can cost $10-$50, depending on what is included.CostHelper readers report paying $54-$144 for a radiator flush at a standard shop, at an average cost of $99 and $70-$175 at a dealership, for an average cost of $109.
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Expect to pay $40-$200 to have a radiator flushed, depending on the age, make and model of the vehicle the recommended type and amount of coolant needed and whether the work is done by a standard tire, muffler, oil-and-lube or auto repair shop, or by a car dealership, which tend to be slightly more expensive.Flushing the radiator is intended to remove built-up debris and to replace contaminated fluid. Rust and other deposits can form inside the radiator, which needs to be clean to be cool.
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Cost of a Radiator Flush - Car Repair and Maintenance - CostHelperĪ key part of a car's cooling system, a radiator is a sophisticated reservoir device that holds a mixture of water and antifreeze fluid (also called coolant) the radiator keeps the engine from overheating and in many cases it also cools the automatic transmission fluid.