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Join Date: Sep 2009
Location: Norway
Posts: 508
Porsche Crest Release bearing issue. Spec stage 2 kit

Hi guys.

79 930.

Before i install my engine for the 4th time () i hope to get this sorted. I`ve searched and read for days as i don`t want to bother people here but i just got tired of taking the engine in and out.

So i got a new clutch kit. Spec stage 2. Installed and as with the Sachs, the release bearing is hanging by the pressure plate. Every time i install it looks like it`s right. Fork cling to both ears and seems to be onto the bearing guide, but when i press the clutch pedal it just feel like i stretch the cabel. I can`t know for sure but i`ve not felt the clutch pedal feel yet. Feels like the bearing gets stuck on the bearing guide. Is the feeling that it`s hard but sort of smooth i want right? The sachs clutch was semi hard but had the clutch feel. You bottom out sort of.

Before i install yet again i`ve taken a video and if you look closely at 14 sec it kind of jams if i turn the arm to far back. I have to adjust the height and back and forth to connect again. In this i rotated the bearing 180 to se if that helps. In out, in out in out... So tired of it


Please check the video and give me an opinion please.
View post on imgur.com

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Old 06-19-2020, 12:16 PM
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Join Date: Oct 2003
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My opinion is, your release bearing is not engaged in the pressure plate fingers. You need to hold it against the fingers as you tighten the pressure plate down.

Right now I suspect the grease groove inside the bearing bore is hanging on the edge of the guide tube.

Wait for other opinions.
Old 06-19-2020, 02:00 PM
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Thx for that. The release bearing is as lose as it was when i dismantled the Sachs. From tightening the PP it is a good 1-1.5cm clearance to actually stay in place, front to back. It`s totally hanging and not close to sticking to anything.

Maby i need to give it a yank to get it to the next groove. My first time

Sorry for the ignorance but i`ve taken the engine out several times now, during a Megasquirt install so seriously exited to see what`s happeing there
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Old 06-19-2020, 02:45 PM
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Your pressure plate fingers need to be in this groove BEFORE tightening down the pp bolts.

Old 06-19-2020, 02:56 PM
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Really? Whaen i removed it it just fell out as lose as it is now. The i need to pry it to get to that point.. I`ll do it and let you know. Thx a lot!!!
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Old 06-19-2020, 04:10 PM
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You need to hold the bearing against the fingers AS you tighten the pp bolts. The bearing is then captive in the fingers.
Old 06-19-2020, 04:13 PM
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Success! Engine now in and it`s staying in. Got a smooth clutch feel and all is good. Now the rest of the build.

Thank you for helping!
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Old 06-22-2020, 10:09 AM
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Good, rock on!
Old 06-22-2020, 10:13 AM
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Sweet! nice work!

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Old 06-22-2020, 12:01 PM
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