how do i know if i have a leak. i was told by a mechanic i did. i cant see a leak and car does not overheat. it also is not using antifreeze.is there a test for this, i am concerned. thank you andy
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2003 Buick Century Question: intake manifold
Answer #1Russ April 17, 2009, 12:49Master
The first signs of an intake manifold coolant leak are visual only. Have the mechanic show you what he sees leaking. If it is the manifold gasket that is leaking it will slowly get worse over time. As the leak progresses you will begin to notice the lose of coolant.