Re: Where are the cooling system bleeder plugs?
I just remove the lower radiator hose, drain, and refill with 50% DexCool and distilled water. I have a fleet of vehicles and do this every 5 years or 100k miles. I've never had to flush or have had any water pump, radiator, or freeze plug issues. It's when all of the anti corrosion properties of the antifreeze get used up is when you start to have problems.
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