What's your thoughts on mixing universal coolant with Dexcool orange? The label on the universal says it can be mixed with any coolant of any make. I personally don't feel good about it. But, out on the road it could be a body's only choice..

From the story I just read: If it's green DON'T. Green does NOT mix with the Orange, it turns the mixture into a gel and no longer cools. LINK

What have you got & what are you attempting to change antifreeze in? Dexcool was a disaster in the 4 & 6 cylinder engines but not in the 8 cylinder engine and I cannot tell you why... There’s only so many manufacturers of antifreeze but LOTS of different labels...Have you gone to a reputable radiator repair facility ( dying trade )...For me, I’d want to know your vehicle, mileage, what you’re trying to do, prior maintenance, and any issues you’re now experiencing....Long life antifreeze is the way to go. Another thing I’ve seen over the years is people draining a very dirty cooling system & then fill with an insufficient amount of antifreeze & expect superior results, not gonna happen....

You’re opening up another rvnet science project.....Just carry a gal of dex cool if you are anticipating issues

falconbrother wrote:What's your thoughts on mixing universal coolant with Dexcool orange? The label on the universal says it can be mixed with any coolant of any make. I personally don't feel good about it. But, out on the road it could be a body's only choice..If on the road and you cannot locate Dexcool.... Just use water. Take care of it as soon as you get into a town that has Dexcool.Short term, that is the least troublesome option.

I had a old Blazer that I did mix the two. The coolant turned brown in the system. Seem to cool just fine and did not have any issues that I'm aware of after several years. I will never mix the two again. Just don't care for brown (color of mud) coolant.

Dexcool vs. Universal coolant | Good Sam Community

24 Replies

Huntindog
Explorer
Apr 07, 2019
falconbrother wrote:
What's your thoughts on mixing universal coolant with Dexcool orange? The label on the universal says it can be mixed with any coolant of any make. I personally don't feel good about it. But, out on the road it could be a body's only choice..
If on the road and you cannot locate Dexcool.... Just use water. Take care of it as soon as you get into a town that has Dexcool.

Short term, that is the least troublesome option.
Grit_dog
Navigator II
Apr 07, 2019
You’re opening up another rvnet science project.....
Just carry a gal of dex cool if you are anticipating issues
_1Flyboy
Explorer II
Apr 07, 2019
What have you got & what are you attempting to change antifreeze in? Dexcool was a disaster in the 4 & 6 cylinder engines but not in the 8 cylinder engine and I cannot tell you why... There’s only so many manufacturers of antifreeze but LOTS of different labels...Have you gone to a reputable radiator repair facility ( dying trade )...For me, I’d want to know your vehicle, mileage, what you’re trying to do, prior maintenance, and any issues you’re now experiencing....Long life antifreeze is the way to go. Another thing I’ve seen over the years is people draining a very dirty cooling system & then fill with an insufficient amount of antifreeze & expect superior results, not gonna happen....
azdryheat
Explorer
Apr 07, 2019
From the story I just read: If it's green DON'T. Green does NOT mix with the Orange, it turns the mixture into a gel and no longer cools. LINK

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Dexcool vs. Universal coolant

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