the shop had done new pads in the back but the discs were the same, and that was weeks before the sound showed up. Have you checked the brake dust shield for interference? My 2008 Equinox makes a noise sometimes. Everything looks intact from a visual inspection. Anyone else had any luck with their dealer getting this resolved once and for all? If it was recent, its possible the caliper bolts or lug nuts werent torqued correctly. But I wonder if I should just get ahead of this one and have it replaced. ), P0705 Code (Symptoms, Causes, and How to Fix), Driving Without an Oil Cap (Is It Ever Ok To Do? Go to your car and on drivers side rear wheel take a look and you'll see how close these two are to each other.Have dealer clip the emergency brake line or don't use the emergency brake and that noise will go away. Sometimes it might be nothing and the sound will go away on its own. Dont want to break anything. Id appreciate any expert info you may have about the rotor resurfacing they did and why I have that offensive noise. hmmm well I played with the heat shields and nothing came out and after a short test drive it seems to have solved the problem. How does the noise change as you get to higher speeds? Anyway you could post a picture of this? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. side to side is not automatically the wheel bearing, I can be another suspension component. When your brake pads go bad, you need to get them replaced ASAP. If you hear a grinding sound after you step on the brake pedal, then it could mean that your brake pads are worn out. It does not change when brakes are applied. I'll try to capture another video and upload it later. I did get a small clatter during the drive at very low speeds but I poked the brakes hard a couple of times and it was gone again. I was on my road so got back to my drive and looked underneath and nothing at all looked out of place. It sounds like someone sharpening a huge knife! A set of brake pads will usually last anywhere from 30,000 to 70,000 miles of normal driving depending on the type of vehicle and driving style. The rotor will then do the same thing to the caliper. What is meant by the term "beeline" in an address (latitude/longitude)? These shims prevent brake squeal. I recently had my 2011 Jeep Compass in for bearings replacement, cv boot and axle replacement. Related: 14 Causes of a Car Jerking When Braking. Lol maybe the most embarrassing noise coming from a nice car. When installing brake pads, the brake pads backside need to be lubricated lightly using a brake caliper lube. If grinding sounds can be heard from your wheels or if you experience vibrations which alternate from loud to quiet, then you could simply have a bad wheel bearing. Do you run your AC a lot? Many members on the forum have reported this as well and fixed it by slightly pushing the heat shield a little further away from the rotor for more clearance. Best way to merge photos from two iCloud accounts and present them via Apple TV? Matrcula para el perodo This morning I heard a trembling noise coming from right side of my car. Hi I have a 2001 Mustang Bullitt GT. i heard BMW is trying to fix this issue. Related: Resurfacing vs Replacing Brake Rotors. Question, 2006 Honda Element, Rear passenger noise when driving in Am out of driveway, flapping noise like something hitting wheel. Inspect the rotors. Avoid this problem by not letting your vehicle sit too long without driving it. The steering wheel also trembles at times when I turn it to the left. Your understanding of how it's connected together makes sense, however, if you are rubbing a brake dust cover (backing plate) it doesn't mean the bearing is going bad. Michalynns root cause may not be the same as yours, Chelsea. This is a problem with all m3's and there is no real solution as of right now. I have a Volvo S90 that made a nasty scraping noise just as I pulled into my street yesterday. backing plate bent rubbing against rotor? Here are 9 reasons for why this brake noise occurs. When you resurface a rotor (also called turning rotors), you are removing material from the surface so they are more flat. But if you start having braking problems sooner, then it could be from simply not driving your vehicle enough. Is a rubbing disc brake dust cover the first symptom of a bad wheel bearing? If I were to bet it just gets faster. So what does it mean when you hear a grinding, squealing, or scraping noise when braking or feel a vibration? Solution??? Sounded to me like the brake dust cover rubbing, since I had one bust loose on a truck one time, and this was really similar. Noise only gets louder when slowing down using brake pedal. rev2022.7.29.42699. 8215 Research BLVD. Any time I go at a faster speed and then slow down I get this awful grinding/humming noise as well as shaking in my car. However, I'm wondering if this is just the first symptom of a bad wheel bearing. Saw a video on YouTube showing it but could not find a post on here. The process of turning a rotor is to place it on a brake lathe and cut the friction surfaces. It does not worsen Upon turning ,esp. L turn when its barely audible. With a firm touch, wiggle the wheel to side (as if you were trying to make it 'steer'). Anyone experiencing such noises with CCB's? Had rotors at rear resurfaced. I am not saying that's your problem, just putting this out here. If it was a while ago, it could be unrelated. possible, although I didn't hear or feel anything fall out. Barely, just enough to drive me crazy trying to figure it out. If its not the shield i would say the calipers/rotor/pads/or somethin break related is the origin. The brake rotors on your Porsche, Mercedes Benz, BMW, Volkswagen or Audi come from the factory at a minimum thickness and can not be safely turned. I would appreciate it. There could be many causes of grinding, shaking, and vibration in the brakes. Change all belts, pulleys, and tensioners while you're at it. Either that or the brake caliperitself may be making contact with the rotor. Youll continue to hear these noises, even if youre not applying pressure to the brake pedal. Unlike most domestic and other brands, the performance brake system in your Porsche, Mercedes Benz, BMW, Volkswagen or Audi utilizes extremely soft compounds to enhance brake stopping power. If its while turning then the brake dust shield is bent inward just enough to scrape and simply needs to be bent back out. Have to bring it back to mechanic. If this simple step is ignored, then the metal of the pads and metal of the caliper piston will come together when you apply the brakes and make squealing or rubbing sound. The bedding process for brakes is different with every pad, but typically it involves repeated hard stops to transfer an even layer of pad material to the rotors. This can often result in a piece of the brake shim making contact with the rotor or other metal part of the brake system. Sorry OP, hope you get it figured out and get rid of the noise. Turning the steering wheel does impact the sound usually turning to the right makes it louder or starts it. So, what does everyone here do about their rattling brake dust shields? If youre hearing a grinding noise when braking but the pads are fine, keep reading. Something is making this noise. You will save money in the long run by choosing a reputable brand for your brake pads. Last year in Feb had brakes done. Various sounds and vehicle feedback while driving are often the first things we notice when we suspect a problem with our cars. Then, the debris will rest between the rotor and caliper, and cause scraping or grinding noises to occur and possibly vibration. The brake rotor spins with the wheel while the brake pad remains fixed to the chassis of the vehicle. Asking for help, clarification, or responding to other answers. You might even be able to spot some subtle scrape marks in the plastic if thats what was rubbing. This noise has been talked about a lot. So, make sure you replace the shims. Your rotor could be destroyed by the backing plate, resulting in damage and grooves. Usually they make more of a squeak or squeal, but sometimes it sounds like rubbing. Junior employee has made really slow progress. A brake pad design not specific to the OEM specification may not only provide poor stopping power, but may lead to brake squeal and excessive noise. In addition to performance, cheap brake pads are poorly manufactured and can have defects such as metal chunks in the pad material which can scrape against the rotor and cause severe damage. If its really bad constant squealing and you cant put your hand on the rim of the tire because its so hot then you have a stuck caliper from a torn boot. At one point I was sure it was the parking brakes rubbing and completely disassembled both sides, cleaned and greased, checked and double checked, only to re-assemble everything and have it rub again. Welcome to Motor Vehicle Maintenance & Repair! Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. Making statements based on opinion; back them up with references or personal experience. Too much rust will require resurfacing the rotors. Any clue why it makes these weird grinding soundsand they dont make it all the time but at least 80% of the time. Only temporary solution is push back the heat shield behind the rotors and let the rocks fall out. In addition, the caliper slider pins (which connect the two sides of the brake caliper together) should be generously lubricated before reinstalling. The growing rust barnacles were contacting the cover. This crystallization process is what causes the squeal. This condition may often be rectified by several firm applications of the brakes. Most of these pads incorporate sensors to advise the driver when the pad material is too thin to be effective and must be replaced. Hence when you hit the brakes on your Porsche, Mercedes Benz, BMW, Volkswagen or Audi, the pads are pressed against the brake rotor and the friction is what slows and stops the vehicle. Like scrub or breaking under front while driving, sometimes hitting break, but not all the time. General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio, Recommend this as a feature on the BimmerPost Homepage. To be clear, I don't get any other typical wheel bearing symptoms -- which in my past experience were all a lot more obvious. Odd to me that they would have made the clearances less in this one corner than others but cannot imagine what else could be causing only this one corner to have the issue. Yeah, it might have been the splash guard, a mud flap, a fender liner, the bumper, or something like that. Does it happen when in park but revving? GERMAN AUTO CENTER check out the. Car wheels are another matter. They caused a very low rumble that you felt more than heard. Once I put it in reverse and gave it a bit of stick the noise disappeared going forwards. On the down side, you have an increased amount of brake dust as a by-product. As the backing plate loses its material, this causes metal to come into contact with the metal on the rotor. I call it the pizza pan sound, happened to me on ED in Aug and never since. Perhaps you recently got new brake pads that are noisy, or the brake hardware wasnt lubricated. Anyone else had this problem with the scraping? Like scrub or breaking under front while driving, sometimes hitting break, but not all the time. This debris could be a piece of rock or gravel that gets stuck in the caliper. The grinding noise occurs while driving forward, NOT while applying brakes. Alternatively, the pads and rotors may be sanded to break the glaze surface. This process makes the brake surface thinner. If the pads are worn, replace them. If you have brake rotors that are worn or bad (warped, gouged, or cracked), they will make various sounds. Thank you. My Honda Jazz has some grinding noise occasionally under braking, particularly when i first set off on a journey. The issue could be the wheel bearings or axles, not the brakes. Listen to Austins Porsche, Mercedes Benz, BMW, Volkswagen and Audi service experts at German Auto Center. My 2008 Saturn Vue makes a noise sometimes after driving it a few miles. Ive been trying to determine if I still hear it but its really fast or if Im just hearing the wind hitting my car. Im really not sure. Proper maintenance and repair is needed whether you drive a BMW, Porsche, Mercedes Benz, Mini, Volkswagen or Audi in Austin. Announcing the Stacks Editor Beta release! Unfortunately I can be pretty dumb about some of this stuff and when I look at the brake I'm not sure where I should be pushing (or is it pulling?). If you have any questions, simply come by and visit us and we will be happy to assist you! I've been getting it all the time with the pot hole repairs going on around here. I replaced them both. Larger, but only by a fraction of an inch. If everything checks out and feels fine driving, dont worry about it too much. Sometimes it does linger though. Thanks you! Whether you drive a Porsche, Mercedes Benz, BMW, Volkswagen or Audi, the condition of your vehicles brakes is critical. Yes I would check the brake dust cover because I know I once had a rock jump up in there and it was making that same noise , I just kinda put my behind the rotor and pushed and nothing came out did you use like a pry bar or anything. My assumption is that a stone got into somewhere it shouldnt have as Id just gone over a bit of road being resurfaced. Bad mechanics may avoid this if they want to do their job fast, so make sure they do replace them. I'm no beginner with cars or parts and I know for sure I have ordered the correct rear discs for that car twice and both times they rubbed on the dust shields. How to find median value for five given elements based on the max min and sum of the elements. New rotors solved the issue. You can use a brake piston compression tool for this. To address this issue completely what would I need to do? These covers were fairly close to the rotor. It's #13 on this pic. It is probably going to be somewhat obvious what the issue is when you inspect the brakes on that side. The car had its brakes done 3 months ago at a garage that's been good, and the slip says they checked the wheel bearings to see if they needed grease, so presumably they'd have noticed if they were starting to go bad. Removing extreme values from a (calculated) raster in QGIS. I took my car to a reputable mechanic because it was making a grinding noise. Is the theory of a partial order bi-interpretable with the theory of a pre-order? Happened to me in February. Car makes more noise now. That's the most likely cause. Now there's a metal on metal type of noise coming from the rear passenger side. Why are people unable to spell brakes? Have you replaced the rear discs recently? I took it back to the shop that I just paid hundreds of dollars to. Could the repair shop be at fault? I do all my own work, and buy OEM parts when I can, but not usually dealer parts. Now only a month later, the caliper on the same side has gone bad. Get the symbolname of the nth argument to function, Convert all small words (2-3 characters) to upper case with awk or sed, Anime style movie about mutated people that gain murderous abilities such as projectile-shooting limbs and limbs with blades on the ends. Test on turns and the noise was gone, so that was definitely it. You could always take it to a different shop and see what they say.
bmw brake dust shield noise