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Intake manifold

Tiny
ANDREWCONDA69
  • MEMBER
  • 2004 PONTIAC GRAND PRIX
  • 3.8L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 192,000 MILES
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?
Friday, April 12th, 2019 AT 1:11 AM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 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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Friday, April 12th, 2019 AT 2:19 AM

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