Chevrolet Q&A  Ask Your Question  2002 Chevrolet Silverado 2500
HD Question: what's causing steady vibration worse over 60mph
gid, 6.0L V8, Queensbury, NY, November 07, 2011, 23:16  new
tires helped some /allignment checked good /once every few
months makes loud rumble from rear that lasts a few minutes then
disappears . vibration is present even at lower speeds / can
feel it even thru steering wheel and dash and floor / 55,000
miles .when going over 70mph , there is a deep humming sort of
sound .  0 Answers Flag This