Re: Strange sound at cold idle - Saab NG900 & OG9-3 Bulletin Board - Saabnet.com
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Re: Strange sound at cold idle
Posted by lms (more from lms) on Thu, 7 Oct 2010 13:14:55
In Reply to: Re: Strange sound at cold idle, miguel, Thu, 7 Oct 2010 11:18:51
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OMG, this is the same sound that my 2002 viggen makes. Does it sound a little like if you were to whistle, but at a very low pitch? If so I have no idea what it is and I have tried almost everything. There were a few others that had this same sound. Here's what mine does. I start car, it takes about 5 seconds before I hear the sound which changes in pitch and goes away after about anther 10 seconds max. If I rev the engine I do not hear it. Once in gear and transitioning from vacuum to boost I can hear it in any gear, going from a low pitch to a higher one, and it does not sound like a bearing at all. Almost sounds as if air is being blown threw a tube, or when one blows into a bottle, but with a changing pitch. It is not associated with anything on the serp belt as I have driven with that off and the sound is still there. I have taken all the IC pipes off, the IC and checked for leaks-nada. I have checked boost leaks using a tester-nothing. The car runs great, but still has this sound that drives me nuts at times. I was thinking that maybe it could be the oil pump, but I doubt it as the sound does not follow the rpms perfectley. If your mech finds out what it is please post back.
posted by 199.125.1...
Posts in this Thread:
- Strange sound at cold idle, miguel, Wed, 6 Oct 2010 08:32:55
- Re: Strange sound at cold idle, Brad Svatek, Mon, 11 Oct 2010 12:29:30
- Does it sound like this?, BlaaSaab, Fri, 8 Oct 2010 11:11:27
- Re: Does it sound like this?, lms, Mon, 11 Oct 2010 04:44:46
- That's it! Ahhhh, the memories., '00 9-3 Base, Fri, 8 Oct 2010 16:21:27
- Not the oil pump starving either, '00 9-3 base, Fri, 8 Oct 2010 16:17:49
- Re: Does it sound like this?, miguel, Fri, 8 Oct 2010 11:40:00
- Re: Strange sound at cold idle, Herb, Fri, 8 Oct 2010 08:42:17
- I had the exact problem, '00 9-3 base, Thu, 7 Oct 2010 19:02:03
- Re: Strange sound at cold idle, lms, Thu, 7 Oct 2010 13:25:38
- Re: Strange sound at cold idle, Randy Hilarski, Thu, 7 Oct 2010 09:18:07
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