I am planning to flush my '06 Malibu Maxx 3.5 cooling system and refill with Dexcool (still under extended warranty). What should I mix with Dexcool for a 50/50 mix: tap water or distilled water?
The owners manual and GM service instructions say to mix Dexcool with tap water, but I've always used distilled water to prevent mineral deposit buildup in the system. Will distilled water cause a corrosive situation?
The owners manual and GM service instructions say to mix Dexcool with tap water, but I've always used distilled water to prevent mineral deposit buildup in the system. Will distilled water cause a corrosive situation?