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Intake Manifold Gasket Coolant Leak - Sienna 2001

5769 Views 2 Replies 3 Participants Last post by  Schulzsienna08
Hi, Recently opened the Lower Intake Manifold for Knock sensors. Noticed that Intake Manifold gaskets were broken. Now, I bought after market Felpro gasket and put it back with the Intake Manifold, now coolant starts leaking from the water passage inlet of the gasket (confirmed). Please advise how can I better seal the water passage section to avoid any coolant leak. Image attached


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This should be interesting, i'm curious to know.
I have the same issue. Used he felpro after market and its leaking everywhere. Do I need some kind of sealant
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