I have a 2005 Toyota Avalon and I would like to know how often should I flush the radiator?
I recommend every 50 to 60 thousand miles
http://www.toyota.com/t3Portal/document/omms/05ToyAllMS_MS0002/pdf/01omsour/2005/schedmai/51b1smt.pdf Toyota says 100,000 miles or 10 years. whatever comes first. But Stanford's recommendation is good. I wouldn't wait that long either I did my Toyota at 70,000
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