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Old 01-16-2002, 02:19 PM
MOW ED's Avatar
MOW ED MOW ED is offline
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Join Date: Jan 2000
Location: N.E. Wisconsin
Posts: 5,027
Dex-Cool Questions

I have heard rumors that Dex-Cool isn't all its talked up to be. I hear that there are issues with gasket hardening and weakening along with corrosion to hoses and clamps.

A buddy just went in and found all the hoses on his truck were shor and the mechanic said because the long change interval allows crystallization and impurities to stay circulating.

He changed the pink to the green and said to flush it every 2 years.

Anyone have problems or confirm the rumors. Any service bulletins out from the major manufacturers?

Just curious.
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Old 01-16-2002, 05:49 PM
thelawnguy thelawnguy is offline
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Join Date: Dec 1999
Location: Central CT
Posts: 2,412
I have heard stories of the corrosive nature of dex-cool. My brother, a master ase mechanic, would strongly recommend removing it from the system and switching to plain ol green stuff, (which he did to my dads then-new 97 van the day he brought it home) says the every two year flush is less headache than the problems dex cool can cause by 50k.
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Old 01-17-2002, 06:29 PM
99fld120 99fld120 is offline
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Join Date: Jan 2002
Location: council bluffs, ia
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no kiddin!!?
does that go for texaco and halvoline long life antifreez as well ?
i have had texaco long life in my 92 ranger for 3yrs now with no problems and it just turned 125,000.
would like to know more about this!
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Old 01-18-2002, 01:18 AM
James234 James234 is offline
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Join Date: Nov 2001
Location: Texas
Posts: 59
Havoline makes Dex-cool.

Dex-cool works as advertised, with one exception. If you let your coolant system get low then you will have problems. If you have a coolant system that leaks or overheats then don't use Dex-cool. In short, don't put Dex-cool in a junker.
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