Rick's Free Auto Repair Advice

Posts Tagged: DexCool antifreeze

GM engine leaks and DexCool

GM engine leaks and DexCool There are loads of websites that rant about the evils of GM’s DexCool coolant and how it destroys engines. There was even a class action lawsuit over DexCool. GM settled without admitting fault. But history has proven that the actual problem was NOT caused by DexCool but by faulty gasket design. In fact, GM has revised the intake manifold gaskets for the 3.1L and 3.4L engines several times to correct the problem. If the problem was solely the result of DexCool, the revised gaskets would … Read More


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