1993 sse Whining noise when idle.. now when moving as well - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 05-08-2005, 05:51 PM   #11
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There is a screen in the TB. It'* in plain sight when you take off the intake tube. Look to see if there is something lodged in it, or a jagged hole, maybe a flattened spot.
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Old 05-08-2005, 05:56 PM   #12
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I will take a look. I dont know how this would cause a whining noise, but its worth a shot.
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Old 05-08-2005, 06:01 PM   #13
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If it sounds like air causing it... the right kind of disruption of airflow can whine. Unless you don't think it sound like air.
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Old 05-08-2005, 06:59 PM   #14
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Please put your year and model in your signature. It'* alot more helpful when we can see that in order to help you.

I've pulled apart L27 Upper intake manifolds (the plastic manifold) before, and there'* nothing that can make that noise. Follow John'* guidance on checking your intake, and make sure the full intake assembly is intact and has no holes, all the way from the airbox cover (lid) to the throttle body.

Also check your vacuum hoses for leaks.

If you find nothing, try it with a helper and the hood open. If you find nothing on the intake side, look at the belt path again.
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