A driver?s guide to determining if the sounds a car makes are serious

Recently in this column we discussed various booms, buzzes and other noises often heard in cars. We asked automotive repair specialists Jeffrey Boone and Ed Kriston from the Towson office of AAA Mid-Atlantic, based in Wilmington, Del., to offer guidelines about other commonly heard sounds that often emanate from cars. Consider the answers the next time you hear one of these noises:

Scrape and screech when braking