I have just purchased a 'P' reg Cinqecento for the missus. She doesn't
> notice much about the cars and their noises so when she mentioned clunking
> and knocking from the back end, I thought I'd better take it for a drive. >
> The noise like I say is a clunking and knocking from the rear. I think it
> would most likely be the rear wishbones/trailing arm bushes wearing. Does
> anyone know of any known problems that would make that kind of noise? >
> Thanks in advance.
It's a fairly common issue on the Cinq and Punto.
The only cure is to replace the trailing arms as the bushes aren't available seperately.