Short belt mod - vibration and noise - Saab 9-5 Bulletin Board - Saabnet.com
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Short belt mod - vibration and noise
Posted by seemack (more from seemack) on Thu, 5 May 2005 22:55:28
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About 4k miles ago, I changed out serp belt on my '00 2.3 lpt wagon w/ short belt option(Conti 2415), and also replaced top idler pulley and tensioner pulley. Recently, I've noticed a rumbling/vibrating/slapping noise at low RPM in gear w/ ac compressor running and also when I turn wheel lock to lock (P/S pump under load). I looked under the hood while a friend turned wheel under same conditions and noticed that the sprung portion of the tensioner is vibrating a lot, as well as the belt where it spans top idler and p/s pump. It only does this at idle/low RPM.
Is this a slightly annoying feature of doing the short belt option and bypassing center pulley, or is my tensioner weak and about to fail? Is belt too long? Could it jump pulley? Should I be concerned? Has anyone else experienced similar issue after short belt mod? Swedecar?
thanks for any input
posted by 69.226.19...
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