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Clutch and IMS


Elmer Fudd

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The standard filter set up bypasses some oil. These spin on filters are meant to filter better due to the flow. But if you had major metal bits break off the damage is done before it all collects at the filter. 

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  • 1 month later...

Sorry to revive this thread, but .....

Yesterday I went shopping and on return to the car and starting up a CEL came on 🤔 it was idling but only just, very rough, drove off and she seemed fine, acceleration was good etc, so when I got home I plugged my newly acquired isoft POR v2 scanner in and it came up with  'misfire cylinder 1, 3, 2 and 'misfire cylinder 4, 6, 5 in that order,so I started to look at camshaft deviation and it was 'camshaft deviation position 1  -9.27 😲

At this point the engine started to labour and I heard an awful squealing and then a grating noise coming from what seemed to be the back of the engine, so I quickly turned it off! Eeeeeek! 😂 

So I'm guessing that'll be the IMSB shagged then 😢

After re-reading your knowledgeable thoughts on this, and my questionable ones 😂 I've decided to replace the IMSB like for like, thanks for the link for the bearing ½cwt 😉, replace the RMS, flywheel, clutch and while I'm at it, the complete exhaust system.

Any pointers on parts always welcome 😁

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1 hour ago, Elmer Fudd said:

Sorry to revive this thread, but .....

Yesterday I went shopping and on return to the car and starting up a CEL came on 🤔 it was idling but only just, very rough, drove off and she seemed fine, acceleration was good etc, so when I got home I plugged my newly acquired isoft POR v2 scanner in and it came up with  'misfire cylinder 1, 3, 2 and 'misfire cylinder 4, 6, 5 in that order,so I started to look at camshaft deviation and it was 'camshaft deviation position 1  -9.27 😲

At this point the engine started to labour and I heard an awful squealing and then a grating noise coming from what seemed to be the back of the engine, so I quickly turned it off! Eeeeeek! 😂 

So I'm guessing that'll be the IMSB shagged then 😢

After re-reading your knowledgeable thoughts on this, and my questionable ones 😂 I've decided to replace the IMSB like for like, thanks for the link for the bearing ½cwt 😉, replace the RMS, flywheel, clutch and while I'm at it, the complete exhaust system.

Any pointers on parts always welcome 😁

If in the unlikely event that it is a failed IMSB, you will not be replacing it! :( 

Time to look for a replacement engine.

Get it to your Porsche specialist who will diagnose.

Good luck with it

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4 minutes ago, TROOPER88 said:

If in the unlikely event that it is a failed IMSB, you will not be replacing it! :( 

Time to look for a replacement engine.

Get it to your Porsche specialist who will diagnose.

Good luck with it

It still runs?

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1 minute ago, Elmer Fudd said:

It still runs?

Then it is not your IMSB - do some homework on the IMSB :) 

Take it to a specialist as no one on any forum will be able to diagnose an issue such as this without a proper examination of the car. 

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IMS usually goes from hero to zero in 4 seconds.  It could be that but sounds unlikely. Not saying that means your engine is OK though :( 

Get it seen to by a specialist.  Good luck.

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