Scirocco Central

Hi there, have 7 speed dsg on my roc . I've noticed that it is abit noisy ! I suppose that sometimes ,when my windows are down, I hear a slight metallic gear noise like "Clink-Clunk" (when dsg up or down the speed - from 1 to 2 or from 3 to 2 ) Has anyone noticed same or similar noise or D...