hi, i have a 3.9 v8 discovery i was driving it today and the gears seemed to be getting stiff when changing and then 100 yards down the road i lost drive, i have no clutch pedal and i can just pust the gear stick into any gear and nothing will happen, it still starts but it seems to vibrate when running, has my gearbox blown up? any help would be great thanks, o ye its done 150000 miles