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Thanks for the replies. So far the voting is 2 for changing back to Dexcool, 1 for keeping with the green stuff. I guess the only unanswered question is; Does the green stuff contribute to improper lubrication of plastic parts, gaskets, etc that was designed to be used with Dexcool? Will there...

I panicked last year over the horror stories about the Dex cool problems GM had. Soo, I changed out the Dexcool stuff with the regular green stuff. This was done at a Buick Dealer. Now I am concerned that this was the right thing to do. I noticed some traces of Red in the over flow tank. Should...