Knocking Noise When Braking Downhill








	Knocking from the engine compartment. Q5/SQ5 MKI (8R) Discussion - Creaking Noise When Applying The Brake - Any one has the the same experience? Okay, here it comes. The noise is a nocking noise, coming from the back of the car. The noise seemed to be coming from the right front wheel area and I could slightly feel it through the steering wheel. The grinding noise is the result of worn pads contacting the rotor and is a common problem. Does anyone have any ideas what it may be - its a 35000 mile 2003 1150GS. If I don't turn the steering wheel, the vehicle is fine (and no noise occurs). Brake noise is likely to be nothing more than the brake pad moving in the calliper, there are lugs on the pad and end stops on the calliper. Just did the 4 wheel brake job. About 20 miles later the knocking noise was getting louder and louderDefinitely not from the pedal and I could feel it. Noise 5 - Buzzing sound from the front of bike (1997 F). A common noise heard from brakes while a vehicle is in reverse is clicking. While driving on the interstate engine started making a knocking sound when acellerating on the gas, after passing the vehicle the car stalled on the interstate. Hi, I have a 2006 Pilot EX-L Navi with 77Km. Due to wear from heat or road debris, the piston can get sticky. An Audi tech accessed the bumper fastener through the rear brake light housing and tightened in a matter of minutes. In my case it sounded like the wheel was going to fall off. 	A common problem when having your brakes done by an in experienced tech. 1st, the ignition timing is set for 900 rpm idle speed. I've recently noticed a loud knocking noise from the engine when I slow down and come to a halt, such as approaching a junction. e when the body of the car is rocking side to side a bit as opposed to just up and down (eish hope my explanation is not greek ). As you can see, the rubber wears out and the connector in the middle is free to wiggle and knock around. hi all i have a 06 accord coupe i4 with 6k miles on it. the knocking noise on mine is the oil draining to the bottom of the oil pan after it sits for a few hours. Brake and Wheel Noises When you put your foot down on the brakes you expect your car to quietly slow down and come to a stop. I agree w others it isn't due to oil in this case. One of my mechanics said that it's a good chance that the caliper bolt needs some grease. Sounds like the pad is knocking against the rotor, but I'm not sure. The BEST way to check the differential for noise is to run the vehicle in gear in 4X4 mode while it is on a lift in the air. but when u go reverse, its working against that, which is making the caliper shift the other way which causes vibration which causes that noise. For example, when doing 20 per hour in traffic, I just touch the brakes so the pads barely touch and I get this knocking sound. at least that problem is fixed. I can also get the knocking noise to happen while power braking it. This sound will generally be the same in intensity whether the engine is idling, operating at high speeds, or under load. Sometimes the noise can be slightly heard during ignition. Also it did not do it in reverse when braking. 		Re: clunkng noise while driving You may now have too much angle on your ujoints with the lift. I just got new brakes, and it doesn't happen any other time other than on a hill. The garage that has done the suspension want it back to strip down the whole of the back brake system next week. The unlubricated, damaged rollers then produce a grinding or squeaking sound, as they operate on the scored cap and cross surfaces. Ther is a low knocking noise coming from the rear offside wheell when braking. The sound only occurs when breaking and can be heard at any speed but when going faster the sound is alot faster as it seems to knock once per revolution of the wheel so when going faster it's kind of hard to pick up on and when it's slower it's just more pronounced. knocking noise when braking at a slow speed. Have installed all new parts and - Answered by a verified Auto Mechanic. I will try again tomorrow. The next day I was hearing a knocking sound from the front drivers side when applying the brakes. going to replace em once CNY is over. Brake Squeaking Solution. It would probably be getting worse (louder and more frequent) when you were accelerating though. I would crawl under it and see if you can duplicate the sound by having someone push down on the fender. When braking from freeway speeds 75-45 mph now the steering wheel violently shakes 1-2" side to side, and I hear a knocking/clunking sound, then it fades into a silent pulsing around 45-0 mph. Knocking both before and after new brake parts does suggest it's NOT those parts that are now new. 	There are telltale signs that help identify the actual source of the problem. currently my brake pad worn out already. The Rzr still has pull in the throttle, just the knocking when slowing down. Shut the truck off for 20 to 30 minutes and then crank it back up. I've recently noticed a loud knocking noise from the engine when I slow down and come to a halt, such as approaching a junction. I have a 2012 lt standard transmission with 87,000 miles. Brake and Wheel Noises When you put your foot down on the brakes you expect your car to quietly slow down and come to a stop. Knocking noise while coasting/decelerating/braking on 99' Integra (self. CarComplaints. I can't feel any movement in the wheel bearings in any plane. Some noise from the brakes is often normal, especially during the first drive of the day, after it rains, or if the car sits for an extended period of time. When you brake, the loose caliper will wiggle around and cause a knocking noise. Not as much when im slowing down from higher speeds. This car is not abused nor. So if I'm going forward and brake I'll get the knock but won't on any successive braking while going forward afterwards. Started accelerating down the road and heard a knocking noise underneath for probably about 30 seconds that went away for the rest of my 2-3 min commute. An Audi tech accessed the bumper fastener through the rear brake light housing and tightened in a matter of minutes. ? Ok I have a 2001 Chrysler sebring sedan 6cyl 2. 		I could see there was a high spot on there where the pads burned in and I sanded that down and it mostly fixed it. And a quick drive on a road in poor conditions revealed the knock. A Knocking in the Engine. Check the front brake rotors for a rusty spot exactly the size of a brake pad. The shims are not lubed enough – If there’s not enough lube between the shim and the caliper, the brake will make a whine or a squeak sound (maybe sometimes even a grinding sound). When the bike starts up cold, it sounds and feels great. Tried stopping with park brake only. The noise only happens when slowing down to a stop or just crawling speed and makes the noise to the motion of the wheel. I'm thinking it's the rotors moving when the brake pads grabs. I did hit the mother of all pot holes (Bulge in the sidewall) a few weeks back but havent noticed it anything until now. Jaguar X-Type - Knocking noise from rear when braking. I seem to experience a weird knock or clunk sound when I initially apply the brakes in my car. Page 1 of 2 - Knocking Noise! - posted in Technical Section For MK1 & MK2: Hi all, wonder if you Pic Gurus can help with a new problem on my 54 1. Bent Brake Rotor (Braking and Driving) – If you have a bent brake rotor in your braking system, then the brake pads as well as the calipers can’t function properly. I can't reproduce it when the bike is stationary. Joined: Mar 27, 2009. If brakes on a vehicle make any type of noise under driving and braking conditions, it is the sign of a malfunction. I noticed this first yesterday, when coming to a halt and pressing and depressing the brake pedal I'm hearing a knocking sound (as the wheel slowly turns) that seem to come from the front driver side. Knocking down a wall will add a feeling of space to any room. 	If the sound stops, it will return a short time later. The grinding noise is the result of worn pads contacting the rotor and is a common problem. The knocking stops when the car comes to a complete stop. It passed the next mot with no problems and handling etc is now excellent. Follow these steps on how to knock down a wall safely and correctly. Knocking is still persisting. Knock When Brake Pedal Is Pressed Down - posted in VX220 Discussion: Hello People I have recently developed a new problem with my VX 2. Discussion in 'Technical and Mechanical' started by Lee A, Aug 2, 2010. After the engine gets warm, 4 bars or higher, I hear a centralized knocking while at stoplights or driving slow (0-15 mph). The following are causes of timing gear or chain and sprocket noise:. 125-200cc Knocking sound when slowing down. Knocking sound in front right wheel area when brakes are applied at low speeds 3 Answers. Hi guys, Over the last couple of days Ive noticed I have a knocking noise coming from the front when I apply the brakes lightly. clutch makes a knock when engine idles down. However, what is important is to identify the problems before these become serious. My 2004 hatch has an odd noise from the rear, pretty much when cold, and is now much worse because it's cold out! The rear rotors were warped, I knocking from rear brakes when cold - Mazda3 Forums : The #1 Mazda 3 Forum. 		Sometimes it doen't sound. Pumping the brakes requires the vacuum pump to create more vacuum to compensate. Sound like a belt issue or maybe a clutch disengaging issue?. What you hear: A high pitched squealing coming from your tires when you step on the brake pedal. Remove the brake rotors and have them turned at a brake shop. Just did the 4 wheel brake job. If they are too loose, they will cause this same knocking sound. This sound only happens when I am stopping the car and doesn't happen when just slowing down on the highway or any other braking. It only happens under light braking at slow speeds and seems to make the knock each reveloution of the wheel. If I apply a few revs, it stops, but as soon as the revs go down again, it starts rattling again. On coaster-brake and internally-geared bikes, the chain may be too tight. The noise is a nocking noise, coming from the back of the car. It occurs when driving straight or turning left but not right. My mechanic told me the wheel could have come off at any point. Worn suspension parts can damage each other if not replaced soon, and the noises as well as handling are only going to get worse. The sound is hard to describe but it sounds a bit like a clicking/knocking/clunking, the sound is in time with the roatation and decelerates as the vehicle slows down. it usually happens between 5 and 7. different motives are ball joints and tie rod ends, 2 very risky issues. First I think that the brake pads are not still and the sound comming from them but I wonder can be a brake callipers problem. 	Not knowing where it was coming from, I powered down the vehicle and stepped on the brake again to initiate power up on the vehicle and the knocking noise was. When you step on the brake pedal to slow down the vehicle in this situation, the brake rotors won’t be receiving the proper pressure to slow the wheels down quickly. Weird Noises Your Hybrid Makes—And Why By Lyndon Bell If you're driving a hybrid, some of the weird noises your hybrid makes may be leaving you wondering what's going on in there. This about made me go mad. The “knocking” sound is the pistons hitting on the metal everytime they go up and down. I just replaced all four rotors and pads. i had my brakes redone like 3-4 months ago. com : Car complaints, car problems and defect information. After I'm driving for a while it doesn't do it anymore. The moment I brake while backing up it'll knock and knock once more when I brake going forward again. the knock is, as far as i can tell, at the front end. It idles quietly, and can drive under 45 mph. Re: Mercruiser 4. Video: 3 Noises Your Brakes Should Not Make If you start to hear unusual sounds, get your car to a trusted mechanic. I am in need of some answers here. The Five Overlooked Car Maintenance Items How Preventative Maintenance Can Help You Avoid Catastrophic Repair Costs. Hearing a knocking noise (not metallic) coming from my left front wheel. 		Before you panic when hearing this sound, keep in mind that a knocking in the engine is usually caused by using the wrong type of gasoline in the car. I noticed this first yesterday, when coming to a halt and pressing and depressing the brake pedal I'm hearing a knocking sound (as the wheel slowly turns) that seem to come from the front driver side. Have installed all new parts and - Answered by a verified Auto Mechanic. Fact is if you or your drivers are having brake fade with drum brakes you and or your driver probably need to learn how to drive. But the noise still exists! It makes the "knock" noise at low speeds, just about every time I take off from a stop light. Front Brake Pad knocking sound (Non Comp) Probably this topic has been discussed before, but I will like to see if someone have experience the same problem when replacing the front brake pad. Every thing is fine until I brake hard. The sound is coming from the ns wheel area. I've also noticed its quite tough to get into gear, especially first and reverse, which crunch when I put them in. Worn-out Brake Pads. This is caused by high water pressure from the house going into the refrigerator. After reading Tatunka's post, I took the vehicle to the dealer again earlier today and told them about the technical bulletin. 2000 Dodge Dakota. Hi, I have a 2006 Pilot EX-L Navi with 77Km. So essentially as I slow down, so does the noise. Does anyone have any ideas what it may be - its a 35000 mile 2003 1150GS. Service men said they could not do anything because. Apply a thin layer of the substance to the back of the brake pads (between the pad and the caliper assembly). • If the brake pedal is pushed hard, the noise is less likely to occur. 	Knocking noise when braking Hit an unseen pothole a week ago at around 30mph the corner of the car that hit it made a louder than usual noise, now when under braking generally just after pressing the brake pedal there is a knocking noise under the car at what seems to be mid passenger side, like something is loose. sometimes you can tell this by reversing from cold and you hear a little metallic clunk when stopping which is the pad moving in the caliper. What Does a Knocking Noise Mean When I Apply the Brakes? A knocking sound when applying the brakes could indicate different problems, such as loose calipers, bad shock absorbers, worn constant velocity joints and failing tie rods. New air filter, new plugs and wires,and a new fuel filter along with oil change and new oil filter. It is quite difficult to describe what it sounds like, but nothing big and harsh but just a loud and percussive almost metallic tapping sound from the rear of the car, almost like a parking brake twanging when backing up in the morning. If your brake pads are still in fine shape but the car trembles when you break nonetheless, this could be your problem. My 2000 Jetta GLS is producing a clunking/knocking sound from the front end (possibly left-front) ONLY while coasting and going straight. Apply a thin layer of the substance to the back of the brake pads (between the pad and the caliper assembly). New air filter, new plugs and wires,and a new fuel filter along with oil change and new oil filter. The knocking noise your are hearing is the pistons knocking against the engine block when it goes up and down. It happens when I'm backing out of the driveway, when I'm driving around town and when I turn. My 2003 Passat has developed an annoying knocking noise coming from the front passenger side wheel. On the former, maybe you're down to the pad wear indicators. i can feel the knock on the steering wheel and under my feet. non toyota brake pads which are only slightly smaller which cause a knock. 		1st, the ignition timing is set for 900 rpm idle speed. any ideas?. Happens after 20 mins of driving (I guess when car warms up) and I get a clicking/rub/grind noise braking at low speeds (click, click, click, click as the wheel turns). Fortunately, the brake experts at Bendix can give you a hand diagnosing and. It sounds very similar to the noise of the exhaust hitting something, or perhaps the 5"x3" stainless tips hitting the cutouts in the under-bumper skirt, but read on and you'll see it. The first step to determining what is causing the sound is to isolate where the sound is coming from. YACT: Odd brake noise after car has been sitting for a while  then slam on the brakes hard until you get down to about 30, accelerate back up to 60 and repeat. For this. I just got a 2015 Toyota Camry. The pistons can also wear and make noise. I just replaced all four rotors and pads. When I squeeze a little front brake the knocking sound disappear. An Audi tech accessed the bumper fastener through the rear brake light housing and tightened in a matter of minutes. Due to wear from heat or road debris, the piston can get sticky. Sometimes the noise can be slightly heard during ignition. I'm thinking its the belt starting to slap the side cover because when I keep the throttle engaged with the brake, the noise doesn't happen. The only way I can describe it is the sound of thick rubber on metal - kind of a very short, low pitched "groan" or "grunt". It idles quietly, and can drive under 45 mph. I then went for a longer drive and still no noise, and the brakes work fine. The u-joints are stressed when at full lock, but knocking noise is telling you some part is damaging it self. 	I have an '02 WJ 4. knocking noise when braking at a slow speed. For example when going through a car park then throw it into reverse to back into a spot, sometimes I get a metallic knock and sometimes theres a short creaking noise. It is definitely coming from the back of the. If your brake pads are used for quite a long time, the backing plates. Brake squeaking usually occurs after servicing and is easiest just to prevent it rather. Many vehicles are fitted with brake pad wear indicators that we call “squeaker tabs. Knocking noise when braking Hit an unseen pothole a week ago at around 30mph the corner of the car that hit it made a louder than usual noise, now when under braking generally just after pressing the brake pedal there is a knocking noise under the car at what seems to be mid passenger side, like something is loose. No other system on your vehicle can cause so much frustration, yet be as vital to your safety. Now when I brake, I hear a knocking or thudding noise in tune with the wheel motion. Recently I had my wife's 2004 Nissan Altima V6 Automatic tran get some repairs done. Even if there is a little bit, the knocking noise is LOUD and sounds like something major is about to break. Knocking sound from front end when brake was applied, especially making a left turn at low speed with brake applied. Depending on your vehicle, manufacturer recommendations, and mileage, a maintenance tune-up may be just what your car needs. I just got new brakes, and it doesn't happen any other time other than on a hill. 		However, what is important is to identify the problems before these become serious. If they grind or growl, get your brakes checked out immediately. Hear it when braking at low speeds to a complete stop. The power your foot applies on the brake pedal is assisted by hydraulic pressure. This can be felt through the foot pedal. In my case, the bumper was slightly loose. Whenever i apply the brakes it stops completely. If the grinding noise starts right away or is present anytime the engine is running, pop the hood. ur tires go forward 99% of the time, so ur brakes are set in. I just noticed a new sound a few days ago. If there is no nose, then the brakes is your problem. There are a number of other noises that a car can make only when braking at low speeds. A common problem when having your brakes done by an in experienced tech. Sounds like the pad is knocking against the rotor, but I'm not sure. I’M STILL HAVING ISSUES – WHAT SHOULD I DO? If you are still experiencing brake noises, it is time to have your trusted mechanic take a look at your vehicle. The noise only happens when the brakes are depressed with a medium pressure. The Rzr still has pull in the throttle, just the knocking when slowing down. One of my 86 capris that I bought last spring has an engine knock. 	The following are causes of timing gear or chain and sprocket noise:. How to identify what is causing your suspension noise through the LIT process ; The table below shows you how to Listen, Inspect and Test to identify the broken component that is making the unusual noise. EDIT: Common on left foot braking cars (driver technique) because people dont realise they are resting their left foot on the brake, causing slight contact and thus friction to heat up and soften the rotor, therefore a heavy braking application, or even stopping at a set of lights and pushing the foot harder down causes the rotor to warp slightly. 0D with 89,000 miles. The noise only happens when the brakes are depressed with a medium pressure. When I am braking i get a creaking noise from what seems like the entire front end. The sound happens when I gently apply the brakes at low speed. While MDS is on, it sounds like a musical instrument drum roll (video of sound below). If your car's engine knocking has you stumped, stop by your nearest Firestone Complete Auto Care and let our technicians get to the bottom of the noise. Brake squeaking usually occurs after servicing and is easiest just to prevent it rather. Braking or crusing? On idle, when you change gear, when you depress the clutch or turn the steering wheel? This can narrow it down to the vehicle system involved. It only seems to be at the passenger side. Noise 4 - Brake Squeal See the Brake Squeal FAQ. This noise is normally heard when the brake pedal is slowly applied with the engine on or off, but can occur when the brake pedal is released. I adjusted it, and shifting has been good to go since. hi all i have a 06 accord coupe i4 with 6k miles on it. Brake caliper Front end noise Brake pads Safety On the 2009 honda accord at 28,691 the rear brake pads started to smell like a burning smell then it started to make a noise from the back of the car. Noise stops under braking  that The brakes feel fine and there's no noise at all  a mate to have look found brake pads worn down. Unit does it in all modes, A/C, Heat, and Fan only. 		It seems to only have been heard/felt when going over an elevation change or when the suspension was unloading. No problems on corners and flat straights. Driving for 10 days and noticing a clicking sound from the rear passenger side when coming to a stop at approx 10-15MPH to nearly stopped. I've recently noticed that there is still a knocking noise coming from that area which is related to braking. Even if there is a little bit, the knocking noise is LOUD and sounds like something major is about to break. Common when braking in reverse after braking going forward and vice verse. Also, the knocking noise depends on how fast I'm going. Joined: Mar 27, 2009. How to identify what is causing your suspension noise through the LIT process ; The table below shows you how to Listen, Inspect and Test to identify the broken component that is making the unusual noise. The Noise only happens when i'm coasting or just letting off the accelerator. i had my brakes redone like 3-4 months ago. 0D with 89,000 miles. • Can be duplicated by lightly touching the brake pedal. Sorry I don't know the year but will get it soon. Average failure mileage is 25,200 miles. I sat in the back seat on the way to the vets office when all this occured. In a deserted parking lot with no other vehicles behind you, at 30 MPH, slowly pull up on the hand brake (hold the release button down with your thumb to make a slow and gradual stop) until the vehicle stops. 	The next day I was hearing a knocking sound from the front drivers side when applying the brakes. Do this 3-4 times in a row. A grinding noise is most frequently associated with problems with brakes, wheel bearings, water pumps, alternators and power steering pumps. This means you need to get them checked out and repaired. It occurs when driving straight or turning left but not right. Car noise while breaking lightly, but not when braking hard. Brake noise can serve as an indicator that you have a little time left before it’s time for a brake replacement service. Tight is not enough for some, they need to be torqued to specs to stop movement. "My brakes squeak" is one of the most common complaints about brakes. Exterior; Fog lamps; Heating, Ventilation & Air Conditioning; Fail-safe engine cooling system; Instrumentation; Electronic AM/FM stereo radio w/4 speakers, digital clock; Tachomet. The 'knocking' starts when I put on the brakes hard from a speed to around a dead stop; the knocking slows down as the car slows down Could this posibly be a warped rear brake disc??? We're going to swap discs around on Saturday (R to L and L to R) and so if the knocking moves sides we known then it's the disc. It only happens when I use the brakes. If I don't turn the steering wheel, the vehicle is fine (and no noise occurs). Hey guys, Pretty much every morning when I back out of the garage/driveway, when i apply pressure to the brakes I hear a clunk sound coming from the brake area. Noise stops when I apply the brakes and is the loudest when I am coasting at lower speeds. 		Allow 15 minutes for brake system to cool down. How to identify what is causing your suspension noise through the LIT process ; The table below shows you how to Listen, Inspect and Test to identify the broken component that is making the unusual noise. Knocking is still persisting. Joined: Mar 27, 2009. When I am braking i get a creaking noise from what seems like the entire front end. If I go 20mph and brake hard, it will be a slower knock (maybe 2 knocks per second). If i remember right in school they said if the play on the wheel is up and down as in push it towards u. if you drive reverse 99% of the time, and when ud rive forward it will do that. Excursion - King of SUVs - Clunking noise during braking - Recently replaced front rotors and pads on 2000 Excursion. I'll pull the wheel when I get a. After the engine gets warm, 4 bars or higher, I hear a centralized knocking while at stoplights or driving slow (0-15 mph). No problems on corners and flat straights. About 20 miles later the knocking noise was getting louder and louderDefinitely not from the pedal and I could feel it. One of my mechanics said that it's a good chance that the caliper bolt needs some grease. The same goes for the mounting bolts on your wheel bearings. 	the knocking noise comes from all the oil draining to the bottom of the oil pan. A knocking sound when applying the brakes could indicate different problems, such as loose calipers, bad shock absorbers, worn constant velocity joints and failing tie rods. There hasn't been any change in braking distance or anything. I got home and looked at the pads, and they have 2-3mm left. If i remember right in school they said if the play on the wheel is up and down as in push it towards u. I have a loud knocking noise coming from the engine. Cause: Small spring clips that push the brake pad end tabs against the brackets were installed on the wrong end of the pads. Pretty sure it's the pads/rotors at this point so I'm going to replace them. The extended manufacturer's warranty expired a few days ago so I had the car checked out by the main dealer and no faults were found. ok i know that for the most part when you hear front susp knocking when you are turning into or backing out of a driveway etc this usually means the end links from the sway bars worn a bit & there is a tiny bit of play that will appear as a "knock' from the front end when you are pulling up a driveway or backing out of one or turnings and hitting a dip or a speed bump etc. Apply a thin layer of the substance to the back of the brake pads (between the pad and the caliper assembly). Sorry I don't know the year but will get it soon. I should have told you all before but my girlfriend has been seriously ill in hospital for nearly five months now and was in a rehabilitation center when it all went downhill again all of a sudden two days before New Years Eve. I don't think it's a major engine issue because you have good oil pressure. The grinding noise is the result of worn pads contacting the rotor and is a common problem. Got a weird knocking/clunking noise coming from the rear. It apears to repeat at the rate of the wheel rotation. the noise got worse the faster i went. 		The joints become dry, causing the rollers to wear. I'm not sure under what topic to post this because I don't know where its coming from. Tried putting a shim behind the disc thinking that the wheel was going on too far and possibly causing the calliper to catch the inside of the alloy wheel. Just got my Touring and I notice when I apply brakes when coming to a stop there is a very faint knocking noise when applying brakes. But I hear a knocking noise whenever I pedal on the down strokei'm thinking it's maybe the BB but i'm not sureor could it be something. When braking from freeway speeds 75-45 mph now the steering wheel violently shakes 1-2" side to side, and I hear a knocking/clunking sound, then it fades into a silent pulsing around 45-0 mph. If you still hear the knocking noises in your engine, then check to make sure you are using the right spark plugs for your vehicle. Pretty sure it's the pads/rotors at this point so I'm going to replace them. Common when braking in reverse after braking going forward and vice verse. Take it to another shop and have it fixed right before you end up with a large repair bill. The pads are shifting when the pressure is applied to the calipers. Drive shaft noises and possible causes are as follows: Grinding and squeaking from the drive shaft is frequently caused by worn universal joints. the knocking noise comes from all the oil draining to the bottom of the oil pan. The most common noise is a high frequency, light-knocking sound. Squeaking offside front wheel. I notice my car is making a knocking sound when you break from 50 mph and lower. I first notice the sound when the car gets to about 20 MPH. i know how to fix it aswell. My car makes a knocking sound when i push the brake. We were lucky with this one: A push and lift on the left front wheel well revealed the distinctive up and down "bed spring" squeak. 	Another reason is that your CV joint or Wheel bearing are out of order. No it doesn't pull to the side when I brake. We heard the knocking noise best when driving in our back alley, slowly on the bumpy road. A connecting rod knock is a serious engine problem, but it's not the worst thing that can happen. rather loud and it sounds like the wheel bearings up lorry already. If brakes on a vehicle make any type of noise under driving and braking conditions, it is the sign of a malfunction. As soon as I release the handbrake, the noise is back. It idles quietly, and can drive under 45 mph. Any sound when turning a corner. A knocking started on my car about a week ago, first it was fairly quiet and only when turning sharp rights but it got worse and worse and now it is really bad. sound like when i braking, there is something got lose and shake to make that knocking sound. I just have the stupid pop sound the first time I touch the brakes moving foward after stopping the car in reverse. Does anyone have any ideas what it may be - its a 35000 mile 2003 1150GS. Knocking down a wall will add a feeling of space to any room. Fact is if you or your drivers are having brake fade with drum brakes you and or your driver probably need to learn how to drive. Seems to be louder with strong brake pressure, slows down as the wheel slows down, and doesn't appear to happen. Here is a summary of common brake noises and behaviors which are abnormal - some are OK, and others may make your car unsafe.