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Re: Whats is the final call with DEXCOOL?
There is nothing wrong with Dex-cool as long as the maintenance intervals for replacement are followed. Which is 5 years or 150K miles, whichever comes first but earlier replacement is better. The aftermarket extended life coolants like Prestone EL green are also 5/150K now.
The gasket failures mainly lower intake manifold (LIM) were due to poor design so Dex-cool is still around and being used.
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