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Posts Tagged: Dex-Cool

What is Dex-Cool coolant?

Dex-Cool® coolant Dex-Cool coolant is a registered trademark for a coolant used in GM vehicles. Dex-Cool coolant is based on an organic acid technology that provides longer life than traditional silicate based formulas. In addition to providing protection against freezing, Dex-Cool provides anti-corrosion and anti-foaming additives to prevent galvanic action and corrosion from forming in a vehicle’s cooling system. Is Dex-Cool bad? GM switched over to Dex-Cool in their engines and shortly thereafter, the intake manifold gaskets in those same GM vehicles failed at an astounding rate. Class action lawsuits … Read More


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