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Old 07-10-2019, 11:11 PM
  #421  
Charles Navarro
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Originally Posted by Sancho22 View Post
Is there a difference in the difficulty of removing a dual vs single row bearing from the early cars such as 2000 C4 cab for example?

I been told that i have one which is harder to remove, needs more work etc...
The dual row bearing has an internal wire lock that requires more force than the single row, which has an external snap ring that you remove prior to extraction.
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Old 07-13-2019, 01:04 PM
  #422  
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thanks.
I was told that the engine i have is not an M96, intact an M97. I can tell you - at least based on this am checking in MY garage - it is an M96.

Are there different types of M96 where you need to do more work/much harder to replace the IMS? My car has a replacement Porsche factory (rebuilt) engine from 2005.
The shop (paperwork provided by the PO) who did the engine swap, states a 3.4 engine with 996 codes...

At this point I am totally confused after 20 years of Porsche ownership and trust the shop who serviced many of my cars ...
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Old 07-13-2019, 03:25 PM
  #423  
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Having an M97 in a 996 would be really unusual unless someone did the engine swap on purpose. The M97 is the usual engine in a 997 or 987.
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Old 07-14-2019, 10:55 AM
  #424  
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Originally Posted by Sancho22 View Post
thanks.
I was told that the engine i have is not an M96, intact an M97. I can tell you - at least based on this am checking in MY garage - it is an M96.

Are there different types of M96 where you need to do more work/much harder to replace the IMS? My car has a replacement Porsche factory (rebuilt) engine from 2005.
The shop (paperwork provided by the PO) who did the engine swap, states a 3.4 engine with 996 codes...

At this point I am totally confused after 20 years of Porsche ownership and trust the shop who serviced many of my cars ...
Sounds like you have an m96 factory replacement with the same LARGE (non serviceable) imsb used in the M97.
Post a picture of you engines serial number. It will have an AT in it like mine...

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Old 07-14-2019, 04:40 PM
  #425  
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here it is

Last edited by Sancho22; 07-14-2019 at 04:41 PM. Reason: finish sentence
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Old 07-14-2019, 04:42 PM
  #426  
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it does have the AT in it just like yours...should i just let it be? The engine has about 16K miles on it.
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Old 07-15-2019, 09:29 AM
  #427  
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Originally Posted by Sancho22 View Post
thanks.
I was told that the engine i have is not an M96, intact an M97. I can tell you - at least based on this am checking in MY garage - it is an M96.

Are there different types of M96 where you need to do more work/much harder to replace the IMS? My car has a replacement Porsche factory (rebuilt) engine from 2005.
The shop (paperwork provided by the PO) who did the engine swap, states a 3.4 engine with 996 codes...

At this point I am totally confused after 20 years of Porsche ownership and trust the shop who serviced many of my cars ...
As Bill mentioned, this will probably have the late 06-08 non-serviceable bearing. Basically, any replacement engine manufactured in model year 2006 or later would receive the updated bearing, even if it wasn't original to the engine. That's not a total loss, you should still have the bearing's grease seal removed to extend the life of the bearing:

http://imsretrofit.com/my06-08/
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Old 07-17-2019, 12:59 AM
  #428  
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thanks Charles!
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