Grinding noise Drive Train -- sergeant0018 I have a 2003 GMC Sierra 2500HD extended cab pickup truck. When driving for a period of time on a highway and i decelerate there is a grinding sound in the rear portion of the vehicle. When i tap the gas pedal it goes away. Recently i put the truck in reverse and there was another grinding sound and the truck didnt goe into reverse. Otherwise the vehicle shifts fine in all gears. Please Help
Grinding noise on 2003 GMC Sierra 2500 HD
by sergeant0018 in Belmar, NJ on December 05, 2010
Differential ??? Or e brake ?? Or what .