Rick's Free Auto Repair Advice

Posts Tagged: engine leaks coolant

GM 3.1-liter and 3.4-liter dexcool gasket leak problems

GM 3.1-liter and 3.4-liter engines are known for intake manifold gasket leaks. Most people call it the dexcool gasket leak. But it’s not caused by dexcool. It’s a faulty gasket design that’ll happen regardless of which coolant is in the engine. The GM 3.1-liter and 3.4-liter V-6 engines are known for some problems. Top on the list are leaky intake manifold gaskets that can literally destroy the engine if not fixed promptly. Here’s some background on the engine and what issues to look for. The 3.1-liter V-6 engine was made … Read More


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