2004 FWD Sienna LXE
Join Date: Apr 2009
Location: North Carolina
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Save yourself some headaches and just go to the dealer parts department and get the Toyota long life. I was down about 10 oz in my overflow tank, bought Prestone's 50/50 prediluted green (not the Dex-Cool) which claimed on the label it was good for any color antifreeze. Two weeks later my Toyota radiator was sizzling fluid from about 10 places. Was it the mixture? Or did the green just eat my radiator? This is not entirely Prestone or Toyota's fault. Toyota does recommend changing the fluid every 30K miles. I never looked at mine until it started to leak at 120K
By the way, the dealer service manager quietly suggested a place in town to have a non-Toyota radiator installed. He implied that I would get a better quality radiator, and I think he was right. The Toyota radiator looked cheap and flimsy.
2004 FWD Sienna LXE w/ 120K miles
Last edited by glorytown; 05-02-2009 at 06:22 AM.