i have a 2004 gmc sierra 181,00 miles z71...when i am going around 35 mphs there is a noise in my front end or under my truck somewhere that sounds like metal grinding or something is loose and its contiunually getting worse please help anything would be nice:crying:

Welcome to AF, reallistically no one can get a handle on this from their desk. Check for loose shocks or any worn loose steering/suspension components or wheels and wheel bearings, all basic stuff for what you are experiencing.