Vauxhall Vectra C - Vectra c juddering - Aaron Coates
My 08 plate vectra c has started juddering at 20mph in all gears
Is it a

clutch problem
Gearbox mount
Throttle body

Please can anybody help.

Regards Aaron.
Vauxhall Vectra C - Vectra c juddering - RT

Could be Dual Mass Flywheel - DMF

Vauxhall Vectra C - Vectra c juddering - Aaron Coates
My bearing in the gear box is grinding you can hear
it but goes off when I press my clutch in.

But only started juddering the car today.
Vauxhall Vectra C - Vectra c juddering - RT

Sounds like DMF and/or clutch thrust bearing.