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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If I wanted to change mine, I'd loosen the bottom radiator hose, drain the radiator, and fill the radiator and expansion chamber with new coolant. I'd be guessing that the above procedure would drain 3/4 of the coolant out of the system. If I wasn't having any engine temperature problems, that's all I would do.
