How do I know if a car has a single row IMS bearing?


Asked by Feb 04, 2016 at 07:50 PM about the 2000 Porsche 911 Carrera Convertible

Question type: Shopping & Pricing

According to IMS Solutions, the single-row bearings were phased in during
2000-01.  If I have the VIN #, how can I find out which bearing the 996
Carrera I'm considering has?

7 Answers


I recommend reading this article ----

4 of 4 people found this helpful.

or go to the Porsche dealer's parts department- old school


Thanks Full_of_Regrets but I read it. Its almost identical to this one IMS solutions says the only way to tell is to take it apart. This can't be true with German reputation for record keeping. Thanks also jamnblues, but if the parts department has the info, shouldn't there be someone/someplace at Porsche USA who can look it up or connect you to a database?


If a 2000, the chances are you have a the dual row bearing, but it is not certain. I had an 04 C4S that I took apart myself to replace the bearing. When I got the flywheel off, I saw that my bearing was the non-replaceable part. My engine had been replaced earlier in life with a later remanufactured engine, but Porsche had no records of it.


Would it not be easier to find a car with bearing replaced? Or, move to the 997? I owned an 04 996 Anniversary car. Purchased in an auction with 72K miles. Sold it with 96K, original bearing. Still running. Some luck involved, I suppose. However, their is a lot of hype out there as well. Good luck!


997 also had IMS bearing issues until 2009. Very few cars actually suffered IMS failure (supposedly a few percent) but the issue is so widely known that everyone is scared of it. Just treat it like a maintenance item and replace it when the clutch is due.


I did my 2000 996 Convertible at a shop. The head mechanic said it probably had a single row bearing. Turned out it had a double row bearing. So you never know. Replaced it with a double row ceramic bearing, along with a new clutch. You do need special tools to do it correctly. The peace of mind is worth it. Good Luck!

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