Main Bearing Failure - Saab 9000 Bulletin Board - Saabnet.com
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Main Bearing Failure
Posted by PaulM [Email] (more from PaulM) on Thu, 18 Feb 2010 12:53:53
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My son's (see posts by AOM) 95' 9000 Aero has suffered catastrophic failure of the main bearings. The copper linings have delaminated from the steel shell. Parts of the linings have been flattened so they are now wider than the shell. To me, this can only be caused by a lot of heat from oil starvation. When the oil pan was removed there were pieces of plastic from a broken balance chain tensioner guide (tensioner no longer providing tension) and bits (large and small) of the copper linings from the bearings. I'm a trying to find a cause and/or places to look for problems. Any ideas would be much appreciated.
Thanks
PaulM
posted by 24.149.201...
Posts in this Thread:
- Main Bearing Failure, PaulM, Thu, 18 Feb 2010 12:53:53 <-- Viewing This Message
- Re: Main Bearing Failure, P.Broeckx, Tue, 23 Feb 2010 03:05:50
- Re: Main Bearing Failure, Bruce, Sun, 21 Feb 2010 23:42:23
- Re: Maybe this will help..., Street, Fri, 19 Feb 2010 03:20:40
- Re: Main Bearing Failure, BobS, Thu, 18 Feb 2010 19:57:32
- If the car were mine......, adamK, Thu, 18 Feb 2010 13:15:45
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