It definitely is not from the engine mounts. They would not produce the symptoms described.
For transmission, driveshafts or finaldrives, noise level woud changed when accelerator is released or coasting in neutral.
If above does not change the noise level, you need to get the wheel bearings and tires checked. Tires that are unevenly worn would produce coarse noise as well.
A simple check of the wheel bearings is to jack up the wheels and manually spin it while checking for coarseness, feeling for vibrations on the struts.
Sunday, November 28th, 2010 AT 2:48 AM