I've seen green, blue, orange, red, pink, and yellow/clear-ish.Another good question, GM is red, everybody else is green, read the safety information on either, both can cause kidney damage if you breathe the fumes, and the freezing temperature ratios are about the same depending on the mixture ratios.
Could it be one is using a red dye and the other a green dye? Chemical composition is about the same.
Something I have never questioned before, have two bottles sitting high on my shelf, one is red, the other is green. Just read the owners manual as to what color to use. Both brag about extended life.
What I do not buy is that crazy premixed stuff, gallon of distilled water is only about 70 cents, so why should I pay almost the same price for a gallon for half water?
Who came up with that Dexcool name anyway, with engine operation temperatures in the 195-220*F range, it ain't anything like cool.
Not easy to get a 60-40 mix with premix, we can drop as far a -45*F up here, and this is absolute, on wind chill.I ended up erring on the side of caution and had everything flushed and put Dexcool in. I guess I'd rather spend a few $$$ now than a lot later... Thanks for everyone's help. NickD, I'm glad they have premixed for those of us that don't have room for a lot of fluids. Gotta have more room for ammo!!
Yeah Subaru is super blue (and super expensive) and Prestone Yellow mix with anything says do not mix with Prestone dexcool probably for that reason.I've seen green, blue, orange, red, pink, and yellow/clear-ish.
Every mfr pretty much has their own composition, but generally, you either have a OAT (organic acid technology) or HOAT (hybrid) in your car. You can buy universal things as long as it's a similar composition and the same type of coolant.
Dex-cool is an OAT coolant. Japanese and European cars often use a HOAT, and I believe older Chrysler products do as well.
If we're anywhere that it's that cold we're in the wrong place!! LOL!:hellno:Not easy to get a 60-40 mix with premix, we can drop as far a -45*F up here, and this is absolute, on wind chill.
Orange and yellow rings a bell, but not blue or pink, with the latter, could be dexcool, with a 1-99 mix. LOL.