I have an auto box in my 406 coupe and when it changes up or down it can be a bit 'clunky', any ideas?

Q: Its mostly when changing down and worse when in sport mode, its just abit rough and clunky. Any ideas what the problem could be?

A: Stephen, you can register on our forum for tonnes of technical info, friendly members etc who will no doubt have your problem diagnosed within hours. www.406coupeclub.com

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