Engine Noise

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11-08-2005, 03:33 PM

Cutlass442

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Engine Noise

I am getting a "rattling" sound on start-up in the morning on my Bonneville - sounds like a random tapping noise? The car has only 30,000 miles. It is under warranty so I have to get it in to the dealer but has anyone had a similar problem and if os, is this anything serious?

Thanks

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11-08-2005, 03:36 PM

BillBoost37

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BillBoost37 is a glorious beacon of light

Couple things come to mind..

Cat converter shield weld broke
Pulley bearing

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11-08-2005, 04:48 PM

willwren

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If it'* only at idle, it could be a SC coupler. 30k would be the earliest worn coupler I've heard of though.

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11-08-2005, 05:51 PM

Ivory03

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I don't hear my 03 SSEI doing it, but I have a company van (Venture) that does it. My last bonny (93 SSE) did it and I hated that noise.. They replaced that Cat. Converter and it didn't help. FYI..

Pat