2014-2018 Mazda 3 Skyactiv Engine and Performance
I changed my fluid at 154k. Oddly enough, it was still pretty clean when we drained it. But afterwards I switched to this Liquid Chill Synthetic Engine Coolant
https://www.amazon.com/gp/product/B00U2C236A/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
It's pretty solid stuff, certainly after a...