I have a manual transmission 1993 Toyota Corolla. It is driving quite well until I noticed a grinding noise, somewhat like a bolt grinding on a metal, everytime I accelerate and brake. When I brake, I switch first to neutral to see if it is somehow connected to bearings and other mechanical parts within the wheel. But it still make that sound even if in neutral and braking and also when accelerating. I do not know if this has still to do with the bearings or the drive shaft to the wheels or if it is a suspension that is starting to loosen up. :(
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It is never normal for your brakes to "grind". A lil squeaky, not so bad. Grinding, not so good. I would take it back to whoever replaced them and have them checked. Ceramic pads are better pads because the stop you better and last longer than matallic pads, and the also create less dust, but they should not be grinding. It could be a sign of improper installation or a sign of bad or worn rotors. Definately have it checked out.
Sounds like brake pads are worn out. If not there is possibly a CV joint going bad. Autozone sells package drive shafts with CVs included for not much money. They sell brake pads there too, but if it is grinding you will need to get a brake rotor as well. I seriously recommend parking the car until you get that fixed.
I have a 97 ford explorer sport 4x4. When i drive at a constant speed it's fine but when i let off the gas I hear a grinding noise. if i put in nutral as soon as i hear it the noise quits areif I shoot the gas to it it quits. What could it be?
A broken engine or tranny mount should not cause a front wheel to wobble. If this is happening with a grinding noise I'd expect more of a failing bearing or such. The grinding noise may also be a rotor of the brakes with poor pads. Yes, if a axel, or CV joint, is failing this can make noise too, often times a "clicking" type of noise. Best get the front of the van up on jack stands, remove the tires and inspect all of the front-end components; pay special attention CV joints, rotors and front axel area, loose movement in the axels?
I hope this may have helped,
Usually a grinding noise in a disc brake is caused from a rotor with a raised edge that froms from normal wear. The raised edge is not a big deal until you install NEW disc brake pads. All of the sudden you have a grinding noise everytime you apply the brake because the NEW disc pad is being ground down but the raised surface created from the OLD Disc Brake Pad. Most of the time the Brake repair shops turn rotors on the car when the pads are replaced and this grinding symptom does not manifest itself.
On and OLD set of disc brake pads over time that raised area on the rotor starts to flake / rust / corrode and can come in contact with the brake disc pad when the brakes are applied.