1.6 auto ford fusion bad vibrations

[mojo]

Hi

i've trawled this site and some others and can't seem to get much info. hoping someone can offer some advice. I've also posted this message on the ford fusion forum; hope the repeat post isn't bad etiquette.

i have a 2004 ford fusion 1.6 automatic - only had it a month or so. Around town it's fine but when driving at speed, at about 50mph and above, i get a lot of vibration coming through. However, the steering wheel does not shake, just what appears to be vibration and shake from maybe the bulkhead and by the gear lever - it's roughness as much as it is vibration, i guess. it doesn't happen when the engine's revved in neutral. i've checked and had all tyres/wheels balanced, checked bushes, exhaust rubbers and the exhaust shield. everything seems okay - i reckon it could be an engine or some other mounting problem, perhaps even a dodgy fitted or leaking manifold but again, everything's fine when revved in neutral. Any advice greatly appreciated as at at present, travelling on motorway at above 50mph is a nightmare! thanks and best wishes. mojo