996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

Small leak top of transmission bell housing, need help identifying

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Old Feb 7, 2019 | 09:17 AM
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Small leak top of transmission bell housing, need help identifying









Notice a slight sweating around a specific cable around the top of my driver side transmission bell housing. It is located further back. I’m hoping that fitting is just loose, but its extremely tight and cant even get a wrench in there to tighten. Can someone help Identify this hose/cable?
 
Old Feb 7, 2019 | 01:24 PM
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Possibly rear main seal
 
Old Feb 7, 2019 | 02:04 PM
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Originally Posted by brockster
Possibly rear main seal
Do you have any solid info. to support that assumption? Not quite sure how that fitting/line it tied down to a rear main seal issue.....
 
Old Feb 7, 2019 | 03:34 PM
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That is likely a leak in the clutch setup. Rear main would not put oil on top.
 
Old Feb 7, 2019 | 03:45 PM
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Originally Posted by brockster
I have changed my own clutch, rear main seal, accumulator, slave cylinder, trans mounts, turbos, oil lines, intercoolers, fuel pressure regular, engine mounts, turbo hoses, exhaust, coil overs, and much more. I was trying to help you narrow the possibilities.
It appears to be oil on the electrical connection to trans. The main culprit in that area is the rear main seal as far as oil goes. It could be Pentosin from the clutch but it's usually a larger leak as it's pressurized when activating it.
Ive also done all of the above on my car.... I just cant recall what this particular line is. Ive done entire oem gt2 slave conversion and cant remember where this line goes too. Another individual on rennlist mentioned

“This is a easy one.. Pentosin is leaking from the coupling or actual slave connection. It has a distinct smell. Same as your power steering fluid.”

I do believe its possible a clutch line. Just trying to figure out how I ll be able go sort it out seeing I cant even get some tools in there to tighten the line.
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Old Feb 7, 2019 | 08:58 PM
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agree. not rms. i had a porsche factory tech remove and re-install the trans once after a leak was discovered. it was top of the housing, but also a decade ago. cannot recall the source. but no way thats the rms.
 
Old Feb 12, 2019 | 07:43 AM
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slave or accumulator or clutch line
 
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Old Mar 5, 2019 | 10:51 PM
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Originally Posted by prodigymb
slave or accumulator or clutch line
+1 for this advise.

That's what happened to me. Possible to change it without an engine drop... I did.
 
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