Thud when clutch is engaged

[brady5885]

when i let the clutch out i feel a little thud from under the car, doesnt sound like suspension, and since this the pedals seem to vibrate slightly to the tune of the revs... any ideas?

 

[r516vt]

Almost certainly an engine mount from that description - best way to diagnose which one is to lift the bonnet on the car and have an assistant keep an eye on the mounts while you engage the clutch (make sure the handbrake is on). Watch for excessive movement as torque is applied.