Mechanics

WEEZING SOUND UNDER HOOD

2003 Cadillac CTS

Noises problem
2003 Cadillac CTS V8 Two Wheel Drive Automatic 80000 miles

On Star ran a diagnostic for me and there are no problems showing up. However, when my car has run for a while, and I slow down, there is a weezing sound under the hood. Any idea what may cause this?
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L Browne
November 10, 2010.



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