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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 02-05-2009, 02:22 PM   #1
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Default weird rattle

theres a rattling noise coming from under my 99 bonneville se.... it seems as when i accelerate and turn its the worse but is still there when i just drive..... seemed like it might been like my exhusast rattling around but its not.... what do you think it could be?
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Old 02-05-2009, 02:52 PM   #2
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Did you check the heat shield on the catalitic converter?
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Old 02-05-2009, 02:56 PM   #3
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i didnt but i have a feeling its not something with the exhaust but i will check
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Old 02-05-2009, 03:04 PM   #4
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Let us know if you find anything. There is also a metal cover that'* screwed in place for teh wires for the O2 sensor. Check that.
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Old 02-05-2009, 06:44 PM   #5
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when is the last time you replaced the sway bar end links?

I've had them break and come apart. sometimes the washers rattle around if the bottom of the end link didn't fall out.
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