Have a y regarding x type which is in generally very good condition.has done 120k.
Have replaced all four wheel bearings and changed rear different for a allegedly low mileage one 60k.
Still getting a humming sound almost from standstill which increases up to 30mph and reduces up to 50mph when it disappears.
At low speed it feels like I am running on really chunky tyres but they are normal tyres with good tread.
Have run out of ideas as to cause and my local garage are also baffled.
Any suggestions would be most welcome!

 

With no details of your X Type engine or transmission, I can only guess that it sounds like either the transmission shaft intermediate bearing (Common problem) or the transfer gear box, again, not unusual.

 

[QUOTE=astromorg;1452563]With no details of your X Type engine or transmission, I can only guess that it sounds like either the transmission shaft intermediate bearing (Common problem) or the transfer gear box, again, not unusual.[/QUOTE

thanks for the info my car is 3ltr petrol 4×4

 

[QUOTE=Frank mellin 1;1452617]Auto

 

[QUOTE=Frank mellin 1;1452619]Kinda sounds like dragging brakes. Stuck caliper/calipers?

 

also check the center prop shaft carrier bearing.