Originally Posted by 392B.H.P.SAFF
it was tested for leaks before they re-gassed it.
probably guessing its somethng to do with the compressor,will look like i will hve to pay a visit to the garage
cheers for all the reply's

They can only test it under vacuum unless the system was working before they re gassed it. Once you have 20 bar of pressure in the system, leaks that wern't there under vacuum will show their faces!