Engine Assembly Wobbling?

My Renault Kangoo Van 1.5cc Diesel Manual.
After a routine servicing,was told that the engine shaking.
They changed a set of 3 pcs rubber holder for the engine.
But I did not notice any difference and in fact the gear change handle is vibrating when the van is idling even after the changed. Since then its getting worse.
Whenever I turn off the ignition I can hear some rattling noise from the engine. Please advise reasons for these problems. Thanks.