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Intake manifold

(2003 Buick Century)
in Portland, OR on April 16, 2009
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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Popular Answer
on April 17, 2009
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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