Coolant acidity?
I have never heard of this...until a couple weeks ago when I was getting the oil changed. Crazy. Google it, by all means and go have the coolant checked in your vehicles. To help in the process......
Forum Discussion
Yep, 14 year coolant with 200,000 miles with original rubber hoses. I have only needed to top off with a few ounces of coolant once when a factory clamp on the bottom radiator hose gave up from road salt..Lol, I lost the same clamp on my 2003, same cause no doubt. Luckily, I was close to home so limped back a mile or so to replace the clamp.
I really don't know the ultimate longevity of newer coolants but the old glycol based coolant was basically indestructible. I had many vehicles that ran out over 200K mi with the original coolant. This was in cast iron block engines.
I've learned over the years to have some faith in the mfg's suggested service intervals unless I think they are arbitrary. IOW, I've replaced a cabin air filter in one vehicle, once.
