A light scraping sound is normal with some shoes for rim brakes, but scraping can also result from sand embedded in the brake shoes. Usually, releasing and applying the brake lightly a couple of times will clean the sand off and prevent excess rim wear. You could also dig embedded grains of sand out of the brake shoe, if that doesn't work.
I have a 1995 Toyota Corolla and the front wheel (driver side) is making a grinding/humming sound when I’m driving. The sound is loudest when driving on the freeway (when going 75mph it gets up to 93 db… used a smart-phone app to detect level of noise).
Jul 28, 2010 · When I get over 60 mph and let off of the gas there is a grinding/rattling noise. It is very loud, but doesn't seem to affect anything as far as power/performance. If I press the gas pedal it goes away, but as soon as I take my foot off the gas it is back. Once my speed gets below 60 mph the noise is gone.
Jan 01, 2008 · the knocking could be a cv joint starting to go, as for the grinding it sounds like either the pads are worn, the disks are lipped and rubbing or somethin like that! just noticed your from bournemouth, if you wanna pop round some time ill have a propper look for you, or try popping to chessington tires in christchurch, one of the guys down there comes accross a bit rude sometimes but there very good and know there stuff. However, the sound of grinding may also be completely harmless and insignificant. Many people hear popping, cracking, grinding or other noises upon moving their neck. Most report these sounds when turning the head side to side, although some might get them when looking up or down, as well. Grinding which is not painful is usually not significant, but if the sound is really noticeable or bothersome, it may be worth getting checked out by your doctor to be sure nothing problematic is occurring ... Just like my title says, I hear a sound coming from the transmission/under the car area as I put the gear into reverse. Is this normal for this car? I don’t know how to describe the sound but it is not any metal grinding or clunking noise. It is more like robot arm swinging sound or hydraulic arm swinging sound.