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The wife drives a 2002 Chevy Blazer, it's developed a slow antifreeze leak coming from the intake manifold gasket, as best I can tell. I dumped a bottle of "Bar's Leaks" block seal in and ran it for 15 min as directed. Anyone have any luck using this stuff? Leaks about a half gallon every month but she doesn't drive much, maybe 20 miles a week.
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