changed over to ethyl glycol - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat

1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 11-26-2007, 10:55 AM   #1
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Default changed over to ethyl glycol

had the coolant flushed and refilled on the old bugger. I told them I wanted the green stuff not the dexi-cool. The water in it was mainly brown so it was hard to be sure what was in it to start. It is definately green glycol now.

I believe this change was okay as long as it was flushed well.....right?

The car has 1998 minifold covers on it so it probably experienced troubles long ago.
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Old 11-26-2007, 10:58 AM   #2
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Should be fine as long as the flush was complete.

Is that an AC Delco UIM? You could have problems again. Keep a sharp eye on it.
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