Hi Guys. My '94 Disco, 2.5 TDi has started making a worrying noise while gears engaged, when accelerating, in all gears (not in reverse). When clutch depressed and freewheeling it stops. It doesn't make a noise when revving hard but not in gear, or when 'cruising' with engine under minimum load. It's a screeching sort of noise which you can hear is something rotating (?). Belts are fine, alternator is fine, pulleys seem ok, no play in waterpump pulley. It's not the whine you get off gears or diff.
This seems to be pointing towards a clutch release bearing. Big job I could do without.
Anyone got any other ideas?
Deepete