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-   -   IMS bearing cover identification (http://986forum.com/forums/showthread.php?t=56539)

Xcellr8 03-31-2015 01:53 PM

IMS bearing cover identification
 
In the middle of a clutch job for a 98 and when I pulled the flywheel found an IMS bearing cover that did not appear factory as it had no markings at all. Whose IMS bearing cover is that? The previous owner had no paperwork so we are only guessing that the bearing has been addressed at sometime in the past.

Is it true that all factory IMS bearing covers had markings (Germany - for example)?

Thanks, Joe

JFP in PA 03-31-2015 02:09 PM

Quote:

Originally Posted by Xcellr8 (Post 442779)
In the middle of a clutch job for a 98 and when I pulled the flywheel found an IMS bearing cover that did not appear factory as it had no markings at all. Whose IMS bearing cover is that? The previous owner had no paperwork so we are only guessing that the bearing has been addressed at sometime in the past.

Is it true that all factory IMS bearing covers had markings (Germany - for example)?

Thanks, Joe

Without seeing the actual cover, it is hard to tell. Porsche actual produced a replacement cover that had better seals to cure oil leaks that looked somewhat different than the factory flange cover.

njbray 04-01-2015 08:55 AM

My original cover just has what looks like a 'K' on it - there is also some letters on the bolt heads but hard to read. The old bearings themselves have 'NSK' on them.http://986forum.com/forums/uploads01...1427907298.jpg
http://986forum.com/forums/uploads01...1427907312.jpg

Gelbster 04-01-2015 11:37 AM

Perhaps an oddball after-market IMSB . For example EPS ?

njbray 04-01-2015 12:37 PM

Well that's strange. Now I am wondering why my cover looks different? Mine has no marking other than the 'K' thingy or should it look like the one on the right?http://986forum.com/forums/uploads01...1427920610.jpg
http://986forum.com/forums/uploads01...1427920628.jpg

Jake Raby 04-01-2015 09:14 PM

Not odd, just an early dual row flange. I threw away about 400 of them yesterday.

Jamesp 04-02-2015 04:49 PM

Do you have an O ring on the cover? They leak. You can use sealant when you install your bearing cover to minimize the chance of an oil leak. Apply the sealant to the bearing cover (not the block) inboard and over the O ring. When you install the cover the sealant will provide the seal the O-ring lacks. If you put the sealant on the block, the cover will just push it into the block. Make sure all surfaces are cleaned with acetone before applying the sealant and assembling. My 2cents

Xcellr8 04-12-2015 09:47 AM

Can you identify this flange?
 
Thanks everyone for helping. Attached is a photo for the OP. Its not as clear as I had hoped. However, there is no "K" present, so I'm still wondering whose cover, or I should say flange, is this? NJBray had good photos of the factory flanges I'm familiar with.

Can someone identify this flange?http://986forum.com/forums/uploads01/0021428860802.jpg

Jake Raby 04-12-2015 10:05 AM

Overlook the numbers, they are not significant.

Look at the depth of the positioning of the center nut. deeply inset are single row bearings, those with a shallow inset are dual row.

Xcellr8, your pic is a dual row- no doubt.

rah rah 986 04-13-2015 01:50 PM

Quote:

Originally Posted by Jamesp (Post 443214)
Do you have an O ring on the cover? They leak. You can use sealant when you install your bearing cover to minimize the chance of an oil leak. Apply the sealant to the bearing cover (not the block) inboard and over the O ring. When you install the cover the sealant will provide the seal the O-ring lacks. If you put the sealant on the block, the cover will just push it into the block. Make sure all surfaces are cleaned with acetone before applying the sealant and assembling. My 2cents

Does anyone have a part number for the oring that came on those original flanges? I only seem to find replacement seals for the updated flange.


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