has any1 ever come across the top of the condenser blowing off. the silver type cannister at the left side must of pressurised and blew this off. does any1 know why this would of happened. vauxhall reckons just wear and tear and possible the condenser becoming blocked at some point. 191 quid inc vat at trade price. could do to find a cheaper 1 as they even said thereselves its a bit steep for what it is.