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Old 07-26-2017, 04:52 PM   #1
lambert12885
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Member#: 397090
Join Date: Jul 2014
Default intake manifold that wont seal

so ive got a 2007 2.5i that has an intake that wont seal. Tryed multiple times with different methods felpro gaskets, felprogakets with rtv overtourqed, subaru oem gaskets, felpro with the right stuff rtv .... no matter what there is a leak which is always in the same spot.

has anyone ever had a warped intake before.
is there anything i might be overlooking hear
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Old 07-26-2017, 05:35 PM   #2
jigga
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Member#: 9960
Join Date: Sep 2001
Location: in bed...
Vehicle:
2002 Impreza WRX
WRBlue Perl

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Have the flanges of the intake manifold "surfaced".

You might even be able to do it yourself if you have access to a flat surface and some sandpaper. If you look up on youtube DIY techniques of surfacing warped heads, you get an idea of how you can achieve this with your intake manifold.
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Old 07-26-2017, 05:46 PM   #3
Steve.804
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Join Date: Aug 2004
Chapter/Region: MAIC
Location: Richmond, VA
Vehicle:
07 STI 35R
05 BMW M3 ZCP

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If multiple gaskets leak it sounds like there is a problem with the surface(s) you're trying to seal. I think the likelihood would be with the intake manifold which would also be a bit easier to check or get to a machine shop if you need to.
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