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Dexcool vs. other coolants
I am still hearing Duramax owners discussing the Dexcool issue. I know GM insists it must be used. Is there any definitive information as to the advantages/disadvantages of changing from Dexcool to another brand of coolant/antifreeze? I am aware of previous lawsuits etc., but by now there must be expert guidance on this question. THANKS!
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