Intake manifold

2004 PONTIAC GRAND PRIX

192,000 MILES • 3.8L • 6 CYL • 2WD • AUTOMATIC

ANDREWCONDA69

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I changed my intake manifold gaskets. Upper and lower. There is rubber seals for the end walls on the lower. It aid to put RTV on the corners. I forgot and now my engine is together mostly. Will I have a leak issue now?

Apr 12, 2019 at 1:11 AM

ASEMASTER6371

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52,796 POSTS

Good morning,

Yes, you most likely will have a leak from that area. the sealer fills the gap between the intake gasket and the seal.

5. Apply sealer GM P/N 12346286 (Canadian P/N 10953472) or equivalent to the ends of the intake manifold seals.
6. Install the lower intake manifold seals.

Roy

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Apr 12, 2019 at 2:19 AM