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I have a 2002 C4 Cab with 65k miles on the clock. The car has been an every day driver since I purchased it in 2004 as Porsche certified car with 14K. At 25k I had an RMS repair and new clutch as well. The RMS portion was covered under warranty. Until now I've never had any other significant problems and always had the car maintained at a Porche dealership. I now have a second RMS failure at 65k. Since I thoroughly enjoy the car, I want keep it beyond 100k if I can.

I'm willing to spend the bucks to have Porsche do the RMS work and gain the benefit of a two warranty for the work. The question is how much work should I get done? Aside from the RMS, an intermediate shaft seal and a new clutch, what about a new flywheel, intermediate shaft bearings, support studs and flange? I'm not technically savy enough to recognize their wear life. Considering I want the car to last a lot longer and have had no real problems with the car, at 65k is it smart to replace them as well or a waste of money?

Any advice would be appreciated.


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You may not have the latest spec (997) RMS from the last replacement. They say the latest is better than previous version. It is not uncommon to see RMS replacements several times. Sometimes the cases are out ot spec and the RMS continues to leak sooner or later. Not that big a deal unless it is leaking profusely.

If you are goint to do something with the IMS bearing you shuld check out Flat6inovations http://www.flat6innovations.com/ , Jack Raby's site/company. They have an upgrade to the IMS bearing tht is expensive, but supposed to be a major improvment. Probably not worth just replacing the existing bearing with an OEM bearing. Jack is on Rennlist.com on a regular basis.

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....They say the latest is better than previous version.
Do you know where the version changes are detailed?


Check out this link for some information on version changes: http://www.pelicanparts.com/techarticles/B...terTech-162.htm

Also read the following thread for additional links and info: http://www.renntech.org/forums/index.php?s...mp;#entry137743

Regards, Maurice.

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