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Tranny rattles. But when I accelerate it stops. It only does this when stop/go.

(2001 Buick LeSabre)
in Potwin, KS on April 09, 2013
My 01 Buick lesabre has a rattling noise coming from underneath it. I had the tranny fluid and filter changed what could be the cause of the rattling sound?
Displaying 2 answers & 2 comments
Popular Answer
on April 09, 2013
Most likely broken/loose catalyst inside the converter! (Catalytic converter) Or loose exhaust heat shield.
on April 09, 2013
Thank you so much
of Greg's Orange Auto on April 09, 2013
agree with #1 or poss cracked flex plate
on April 09, 2013
Thanks you guys were helpful.
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