I had new brakes and rotors on all 4 wheels about 3months ago. About 2wks ago backing up mthe brakes started making noise. Now there is a clunk and it seems to happen when I am taking off or stopping. Sometimes I will hear the clunk after I stop. I have 125,000 on her.
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Really need more info to help you locate and correct this problem, when does grinding occur? Just when applying brakes? at a certain speed without breaking? Same for Clunking Noise. If I had to go off the info I have I would remove wheel and check to make sure pads are still positioned correctly and check to make sure the caliper bolts and caliper bracket bolts are tight
Check all brake part's are seated correctly and all fitting bolt's are tight. As for A.B.S light plug in to test port to find which wheel is causing the problem it is posible to damage sensor tip's when servicing the brake's or it maybe a connection problem. Hope this help's.
This sounds like it could either be brakes or a wheel bearing going bad. You can check this by removing the rear wheel and inspecting the brakes making sure the caliper is mounted on tightly and brake rotor isn't showing uneven wear. Also be sure to check the brake pads to make sure that they are not worn down to the squealer tabs. Most new pads are roughly 3/8" -1/2"thick. and will start squealing if at about 1/8"-1/16" thick. If everything checks out fine then check the wheel bearing by simply jacking the wheel up off the ground and grabbing. Now try to move it side to side or up and down, it should have no play what so ever. And spin the wheel to listen for screeching or squealing, it should rotate smoothly with no abnormal noises.
take a look at the front drive axle joints and also wheel bearings. this noise may be due to a bad ujoint and as you turn the joint binds up and makes noise, same as a bad wheel bearing. the wheel bearing would make more of a grinding noise as it doesnt hold the wheel and brake rotor in place and the rotor may be hitting the caliper bracket so i would start by checking this stuff first. good day.
The brake light will come on when the brake fluid is low or the parking brake is on. New brakes can make noise at first but not after 3 months. Screeching is caused by low quality pads/rotors or a lack of lubricant on brake parts and behind the pads.
Check and see if the Brake Pads were re-installed with all the hardware, ie, Anti-Rattle Clips, shims etc. if your pads are not secure in the Calipers it will cause the pads to rattle when you are driving in effect causing your brakes to make weird noises, ie, groaning, squealing, rattling.
probably a dumb question, but if there is a backing plate, did you make sure it isnt bent and hitting the rotor? you never want to sand new rotors, although i dont think it would cause this concern. i would suggest lightly scuffing up the brake pads. this will eliminate any noise caused by the contact of the rotors and pads. if it goes away then you know its a problem with the pads/rotors.
scoring of only the inside rotors would make me think that possibly the caliper slides are frozen up. make sure they move quite freely on the slides. it is not uncommon for brake pads to score rotors though.
but brake noises at low speeds that dont' change when applying light brake pressure are usually some sort of metal or something contacting the rotor.
You could be right with the wheel bearings. But first take the wheel off and check that nothing is scraping the rotor. Look all the way around the rotor. A suggestion will be that the brake pads have worn enough that the brake pad wear indicator is starting to scrape. Pry them back a little.
Check your brake hardwares make sure its in proper places and not loose. you would also want to check the caliper sliders, clean and lubricate with silicon lube. and lastly make sure that rotor backplates are not touching the rotors, you can do this by spinning the rotors while the wheel is off, if it is, then pry the backplates a little. hope this would help, goodluck.!