Re: Heads up for all ng900/og9-3 with poly mounts - Saab Performance Bulletin Board - Saabnet.com
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Re: Heads up for all ng900/og9-3 with poly mounts
Posted by NJViggen [Email] (more from NJViggen) on Thu, 3 Apr 2008 08:17:57
In Reply to: Heads up for all ng900/og9-3 with poly mounts, Nahum Cook, Wed, 2 Apr 2008 09:40:33
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I too had the GS poly mount bolt break. I thought i lost something in my trans because when i got home from work, i could not get my Viggen in reverse. Turns out that the brand new mount bolt failed the same way as yours causing my engine to rest on the subframe and cause misalignment. I did nothing out of the ordinary with my insall or other work that would have stressed this bolt past any limits. Being an engineer myself, i looked at all possible failure modes and keep coming back to an inferior bolt or poly (material failure, not process failure). The only way i see that the bolt could be overstressed is if the poly fails and the metal sleave that goes through the poly is forced to flex too far and therefore inparts a load through the bolt that is not intended. My poly was torn up under the sleave and i think it happened before the bolt broke....i now have since gone back to a stock mount with zero issues.
posted by 129.139....
Posts in this Thread:
- Heads up for all ng900/og9-3 with poly mounts, Nahum Cook, Wed, 2 Apr 2008 09:40:33
- Re: Heads up for all ng900/og9-3 with poly mounts, NJViggen, Thu, 3 Apr 2008 08:17:57 <-- Viewing This Message
- Re: Heads up for all ng900/og9-3 motor mounts, Ron, Wed, 2 Apr 2008 15:19:22
- Re: Heads up for all ng900/og9-3 with poly mounts, RTSDan, Wed, 2 Apr 2008 13:32:59
- Thanks Dan, Bracket came in today., Nahum Cook, Thu, 3 Apr 2008 18:36:52
- Re: Heads up for all ng900/og9-3 with poly mounts, Nahum Cook, Wed, 2 Apr 2008 20:34:12
- Re: Heads up for all ng900/og9-3 with poly mounts, John Williams
, Wed, 2 Apr 2008 14:14:43
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