Thanks so far everyone. I kind of figured it didn't have anything to do with the brakes since the noise often continues after I have stopped and am idling but I'm willing to consider anything at this point. Will have the mechanic check out the possibility of bad calipers, hub bearings and dust shiel...

Hello All- Desperately hoping someone can help me before I get frustrated and put a brick on the gas pedal and drive this car off a bridge... A few days ago, out of the blue, while pulling up to a stop light, I noticed this grinding noise. The best I can describe it is as a low grumbling/grinding no...