Coolant chg on 2009 D/A
Owner's manual on my 2009 D/A states that coolant should be changed 5 years or 100,000 miles, (whichever comes first). I only have little over 80,000 miles, (even though I bought it new in Nov 2009). ...
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I always pull the bottom radiator hose to drain, replace it, refill with water, run until it is warm, and repeat the drain. Old coolant can get pretty corrosive so it's really a good idea to do that flush. What little concentration of old coolant that's left is negligible. I never worry about the block drain plugs. Being a 2009, I think I would replace the hoses and belts, too. Since it sounds like you are a handy person, all you are looking at is the price of the parts. Cheap peace of mind. As for the mess, I have one of those large round pans that I catch the mess in and I've found that the 'quick lube' places will generally take old anti-freeze although I sometimes have to go to a couple before I find one who will let me dump in their used A/F tank.
