Thanks for the suggestions, After looking through the other threads I am wondering if it could be a seized VCU as after trying various other things it seems I have all the tell tail signs. But could someone please axplain when a VCU is Seized what happens to it? Is it not possible to free it up...

Hello everybody I have just bought a landrover freelander 2000 td4. On the motorway between 50 and 70 in 5th gear I get a noise coming from the rear not bad but sounds like thye wind blowing on a steel plate, this only happens when your foot is on the accelerator when you lift off it stops no...