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Distilled water doesn't have a ph buffer or any cleanup chemistry, I'm weary of just distilled water in my system for multiple reasons. I just bought a 2012 4runner at around 137,000 miles. Previous only owner never replaced coolant based on service records and a visual of fluid. I did 2 drains...

I would only put in stuff you feel comfortable leaving in longterm. Dex3 is definitely out and I don't know of anyone who has put in supertech in a toyota product. Watch the car care nut on youtube for professional advice, he only recommends drains but no flushes and not too often. I have for...

I agree it doesn't swell rubber. I've used mission silicone for many years, high temp silicone is the only grease I can install that will not dry out in sliders and I can just leave it till the pads or rotors are gone. I plan on using for 4runner front brake pins also but will monitor twice a...

I'm sticking with toyota coolant. After the initial charge the maintenance interval drops from 10 yrs/100kmiles to 5 yrs/60kmiles. Since only about a third comes out each drain, I plan on doing it every couple of years to protect the water pump and head gaskets. It's so cheap and fast, why risk...