answersLogoWhite

0

No .... do not mix the old style coolant and the new Dex types.

The new Dex coolant is the only thing to put in your truck. I have seen trucks with 100,000 miles on them and they still have a pristine cooling system.

www.trailvoy.com ..... All the answers for your Trailblazer from true enthusiasts!

User Avatar

Wiki User

16y ago

What else can I help you with?