How long does it take to do a coolant flush?
How long does it take to do a coolant flush? A trained mechanic can perform a radiator flush in about 30 minutes using a commercial coolant flush and fill machine. Without a machine, a radiator flush takes about two hours. You'll need to allow additional time for any other services performed at the same time, such as radiator leak repair or inspection. Do you flush or refill the coolant system? Drain fill is just the first step out the petcock and last step to flush air and top off. Usually a flush on the coolant system is used for, well,...