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Date: Mon, 14 Aug 2000 21:51:55 +0930
From: Chris Brittan <cbrittannopsamail.com.au>
Subject: Re: screeching clutch


I have just had clutch problems with my 1985 900 TU3. At first the clutch was really stiff, then no pressure at all (and didn't work - lots of burning smell from clutch). The next day the clutch was back to normal but with a screeching sound that went away with slight pedal pressure. After a short test run the stiff clutch reappeared. Removed the plastic clutch cover and found that the plastic sleeve was melting and had fouled the shaft - resulting in a sticking release bearing after it heated up. As a temporary measure ('cause the sleeve is supposed to keep the shaft clean) I wired the sleeve back so it does not contact the release bearing and cleaned away the melted plastic. The result is a normal clutch with no noises. I did notice that in neutral with engine running the release bearing was at first stationary on the shaft but then started spinning - I don't know whether it should spin or not. adrianb wrote: > TimeRanger <TimeRangernopsamc.om> wrote: > >On Sun, 13 Aug 2000 18:29:14 -0700, adrianb > ><adrianNOadSPAMnopsam.net.invalid> wrote: > > > >>I just had my clutch replaced on my 1993 900s by a non-saab > >>specialist although the guy was European and had worked on > saabs > >>before. The clutch was on it's way out and there was an > >>intermittent screech due to the thrust bearing. What finally > >>led to getting the work done was the slave cylinder died and > >>leaked the hydraulic fluid everywhere (one morning no clutch). > >>I had hoped that the new clutch would be free from noise > >>but....guess what! The screech is back and worse than ever. I > >>called the mechanic but by the time I saw him the noise had > >>settled down......then of course it starts again. When I did > >>see him he guessed that the noise had been there before because > >>he showed me the old thrust bearing and the groove it had worn > >>on the old clutch. I don't want this to happen again. What > >>needs to be adjusted. I hope the mechanic will know but > realize > >>it helps if I have some idea! > >> > >>Any advice welcome! > >> > >>AdrianB > > > >It sounds like the thing that needs to be adjusted is your > foot. This > >type of wear is common when the primary driver uses the clutch > pedal > >for a foot rest - even momentarily. The slightest pressure on > the > >pedal will cause an increase of hydraulic pressure - resulting > in > >abnormal wear. If you are not shifting , KEEP YOUR FOOT OFF the > >PEDAL. Sorry, I don't mean to shout but, I see this type of > damage a > >LOT. > > Thanks for your "help". This may surprise you but there are > others on this newsgroup who know how to drive. Perhaps I > should have added a note at the end of my first post asking for > sensible suggestions only. > > AdrianB > > > > > > ----------------------------------------------------------- > > Got questions? Get answers over the phone at Keen.com. > Up to 100 minutes free! > http://www.keen.com

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