Question about 1999 Buick Regal
Problem is with the 'dex-cool' coolant(red) that GM insists on using; when it gets old or contaminated..it turns acidic or whatever...and it eats up the motor intake gaskets; GM v-6s are affected by this;(google dex-cool' problems and you will see for yourself); these gaskets will need replacing and once replaced....flush out dex-cool completely and replace it with the green coolant...you will not have any problems after that..
Posted on Nov 11, 2010
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Posted on Jan 02, 2017
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