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> Oil leak, Flywheel area
930cabman
post Mar 25 2022, 12:16 PM
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New build and have her running on a test bed/rolling cart for engine/trans installation. All seems tight with the exception of the rear main area. Short of dis assembly or slathering the cam plug and oil gallery plugs with sealant, has anyone tried pressurizing the oil system and visually looking for a leak? Everything looks ok, but she drips every 4 or 5 seconds when running.

Thanks in advance
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IronHillRestorations
post Mar 26 2022, 07:40 AM
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Definitely use only the black Sabo RMS. Press in the seal until it's flush with the case, no deeper. I've seen some RMS that were not as thick and could be pressed in a little deeper. Here's some reading gowesty RMS article

I had a leaker kind of like that a few years ago, and the sealing surface on the back of the flywheel had enough of a groove to cause a leak.
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porschetub
post Mar 28 2022, 03:44 PM
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QUOTE(IronHillRestorations @ Mar 27 2022, 02:40 AM) *

Definitely use only the black Sabo RMS. Press in the seal until it's flush with the case, no deeper. I've seen some RMS that were not as thick and could be pressed in a little deeper. Here's some reading gowesty RMS article

I had a leaker kind of like that a few years ago, and the sealing surface on the back of the flywheel had enough of a groove to cause a leak.


Never had and an issue with VR gasket sets but appears they can't get crank seals right,not just for T4 motors,the one I fitted to my 911t motor would have leaked as it was rather loose in the case,I just pushed it in by hand and naturally it went in too far.
Pissed me off as I had to buy one in my country.....wait for it 89nzd with freight but at least it was a nice tight fit (IMG:style_emoticons/default/smile.gif) .
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Posts in this topic
930cabman   Oil leak   Mar 25 2022, 12:16 PM
rhodyguy   Looks ok with the just trans removed?   Mar 25 2022, 12:23 PM
930cabman   Looks ok with the just trans removed? Yes, I ha...   Mar 25 2022, 12:28 PM
914Mels   When I worked for VW we used to put plastic wrap u...   Mar 25 2022, 07:38 PM
930cabman   When I worked for VW we used to put plastic wrap ...   Mar 26 2022, 05:48 AM
saigon71   What brand of rear main seal did you use? I had...   Mar 26 2022, 06:05 AM
Olympic 914   What brand of rear main seal did you use? I ha...   Mar 26 2022, 06:41 AM
IronHillRestorations   Definitely use only the black Sabo RMS. Press in ...   Mar 26 2022, 07:40 AM
porschetub   Definitely use only the black Sabo RMS. Press in...   Mar 28 2022, 03:44 PM
Geezer914   Sabo seals are hard to find!   Mar 26 2022, 08:58 AM
iankarr   Forgive the simple question, but is the o-ring ins...   Mar 26 2022, 09:09 AM
930cabman   Forgive the simple question, but is the o-ring in...   Mar 26 2022, 09:21 AM
930cabman   VICTORY Yes, I had an old flywheel laying around ...   Mar 26 2022, 03:05 PM
saigon71   VICTORY Yes, I had an old flywheel laying around...   Mar 27 2022, 06:22 AM
ndfrigi   VICTORY Yes, I had an old flywheel laying around...   Mar 27 2022, 09:32 AM
930cabman   VICTORY Yes, I had an old flywheel laying aroun...   Mar 27 2022, 01:10 PM
ndfrigi   [quote name='ndfrigi' post='2991053' date='Mar 27...   Mar 27 2022, 04:30 PM
930cabman   [quote name='ndfrigi' post='2991053' date='Mar 2...   Mar 27 2022, 04:59 PM
930cabman   Thanks Bob, I may offer this hub to others for t...   Mar 27 2022, 08:18 AM


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