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My son-in-law took his truck in and the mechanic told him he messed up big time. He mixed radiator coolants. I think he had the orange stuff and he put in green. Now the mechanic is telling him that he has to replace the water pump and have the system hooked up to some kind of a machine to flush it out.
Does this sound right?
I would have thought just flushing the system real good (without the thermostat in) would do the trick. Thoughts anyone?
I second Ford390. I can't imagine why he would change the water pump, unless he just needs the work. I guess its possible that the seals would wear faster, but that wouldn't happen immediately.