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PostPosted: Mon Jun 29, 2020 7:23 am 
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Saab Nut

Joined: Tue Sep 14, 2010 9:11 am
Posts: 1548
I suspect an oil weep around the manifold. Surprisingly it is metal/metal contact to the block. There is no gasket and I can see no trace of sealant on the faces. Should I put a thin bead of sealant when I offer it back up. I cannot find any ref. to doing this in Haynes or the workshop manual but i am sure i have seen somewhere it is recommended.[url]vImage[/url]


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PostPosted: Mon Jun 29, 2020 5:02 pm 
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Saab Nut

Joined: Tue Mar 25, 2014 5:41 pm
Posts: 1461
Location: Kippen STIRLING
Car Models: 9-5s of most types '02 - '08
razani67,

Pretty sure I used a smear of Hylomar Blue when I replaced this on out 2002 9-3 Cabrio.

Paul @ Kippen


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PostPosted: Mon Jun 29, 2020 5:35 pm 
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UKS Addict
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Joined: Thu Feb 14, 2008 10:47 am
Posts: 6992
Location: Queenborough, Kent
Car Models: 9k, 9-5 Aero & a Jaaag
Well they recommend the loctite "raspberry jam" (Loctite 518 flange sealant) on 9-5 sumps which are metal to metal contact and given that's a similar application, I'd have thought it would be good there too. Bear in mind that it's not designed to fill gaps unlike silicone sealant - so the mating surfaces do have to be flat, however they should be in this case.

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PostPosted: Mon Jun 29, 2020 6:28 pm 
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Joined: Mon Mar 24, 2008 2:00 pm
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Location: Locks Heath
Car Models: 9000 Aero
Paul Anderson Kippen wrote:
Pretty sure I used a smear of Hylomar Blue

Another vote for Hylomar Blue. I use that stuff for all kinds of things and have always had great results.

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PostPosted: Mon Jun 29, 2020 8:09 pm 
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Joined: Mon May 30, 2005 1:37 pm
Posts: 2284
Location: UK, USA, Deutscheland
Car Models: sorted 9000 Aero; 9000R
Used a small amount of Locktite 518 sealant when I put one back on, any similar sealant likely a good idea to prevent weeping leaks.


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PostPosted: Tue Jun 30, 2020 9:22 am 
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Saab Nut

Joined: Tue Sep 14, 2010 9:11 am
Posts: 1548
I guess there is generall agreement that metal/metal contact in this area doesn't seem right. Bugatti was famous for using such exacting machining tolerances that they didn't use gaskets, but Saab........ The official manual , published at the start of the 9000, just says clean faces, no mention of gasket or sealant. Then I found THIS;
It's dated July 96 and states "remove all gasket remnants" which implies it should already have sealant. I will be applying a thin bead.
[url]vvImage[/url]


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PostPosted: Tue Jun 30, 2020 12:21 pm 
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Joined: Wed May 12, 2004 9:53 pm
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Location: Devon
razani67 wrote:
It's dated July 96 and states "remove all gasket remnants" which implies it should already have sealant.

Much more explicitly than that it says, "5. Apply Loctite 518 to the sealing surface of the adapter housing."

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