Definately as can a worn transmission mount and/or motor mounts. Engine and driveline can get tweaked under load and things start binding... Since the trans mount is connected to the crossmember, it too could be suspect. In this post, a worn trans mount cost a member three propshafts before they got it figured out : http://www.syty.net/phpBB2/viewtopic.php?t=38132 HTH's