Metallic noise under load - Saab 9-5 Bulletin Board - Saabnet.com
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Metallic noise under load
Posted by cmack [Email] (more from cmack) on Fri, 12 Jul 2013 23:26:22
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I'm completely flummoxed by a metallic rapping noise emanating from the engine under load. No noise whatsoever at idle, or any RPM while car is stationary. If I'm going up a hill, it raps as I start up the grade, but goes away after a minute or two as I climb the hill. No noise on freeway at steady cruise. Seems to only occur as turbo spools up, so might it be related to turbo or turbo boost control, specifically the boost control valve? It runs fine - no codes, plenty of power, but I'm afraid to venture far from home lest it melt down. Could it be engine internals (timing chain< etc) when it's intermittent??
posted by 108.64.229...
Posts in this Thread:
- Metallic noise under load, cmack, Fri, 12 Jul 2013 23:26:22 <-- Viewing This Message
- Re: Metallic noise under load, Jimtel, Tue, 23 Jul 2013 14:10:40
- Re: Metallic noise under load, AeroPaul, Mon, 15 Jul 2013 10:13:37
- Re: Metallic noise under load, mark from toronto, Sat, 13 Jul 2013 09:11:20
- Re: Metallic noise under load, AdamSAAB2kAero , Sat, 13 Jul 2013 05:36:24
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