intake manifold on 2003 Buick Century

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 there a test for this, i am concerned. thank you andy

Asked by for the 2003 Buick Century
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.
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