Metal Rattling Noise When Accelerating

It usually happens when accelerating from a stop or accelerating after I've been coasting. Holy crap this acceleration rattle is killing me now. it sounds like something is loose like a bolt or something. So basically when i put my foot down to accelerate, I can hear a slight metallic rattling noise, almost a clicking type sound. If your car makes noise when accelerating or turning, don't ignore it. It gets more pronounced as I accelerate. I have not taken my car in for this, I'm sure they would just say its normal. I have a K2 1K with 11k miles on it. This typically occurs when the gasoline mixture in the combustion chamber explodes at the inappropriate time for most efficient. But there are some car noises you don't want to hear, because they can signal trouble. My car has been making a weird almost-rattling noise when I'm going 45-50 mph. I tucked the rear passenger seat belt in and I thought that fixed it, but the rattling continued at certain speeds. What I noticed is that it is a common noise on any car(new or old), its like an engine knocking(the type of rattling) but it sounds like a bolt or something is loose from a bracket underneath. Took to dealer, they replaced both oxygen sensors pre-catylitic converter. Weird metallic Rattling noise while driving When on a right hand bend the noise is not there. The problem presents itself while accelerating at low rpms (1200-2000). The noise picks up when the engine is under a heavy load - this is when climbing a steep hill on 1st or 2nd gear or when quickly accelerating. The performance of the car seems to be the same. If I push on the keyhole, the noise stops. Are you experiencing whining noise when accelerating your car to high RPM speeds? This seems to be a common problem with many cars. What about gear oil change and metal in the oil ? This noise seems to happen when I am accelerating quickly or. For those of you that i may have left hanging. I know that it's tied to the throttle just not sure what it is. If the loose piece of an old drive belt is slapping around the engine at high speed, it can sound like an engine rattle. S4 (B6 & B7 Platforms) Discussion - Rattling noise when accelerating - My '04 S4 is almost a month old, and has about 1,500 miles on the clock. I recently had an exhaust flex pipe installed to correct a different type of rattling+drone noise occurring during acceleration. Same noise when car is parked in idle and I rev it up between the mentioned RPM's Car is using Shell Vpower premium gas. Just put a Shimano 10 speed cassette, SRAM X9 10 speed rear mech and KMC X10-L chain on my bike, to replace. Noise stops under braking The brakes feel fine and there's no noise at all when pads from wearing down to metal and damaging. They rust or wear out around the bolts. 8L V6 (6G75) Specific Forum Welcome to the Club4G Forums where you can join fellow owners from all over North America discussing anything related to the 2006+ Mitsubishi Eclipse. Rather than waiting for when its booked in take it to your mechanic and take him for a drive. This car is a Toyota Corolla 1500cc, multipoint injection. I've check other things I though might be it with no avail. I'm getting it looked at tomorrow, but any ideas what it could be? The exhaust is a bit loose I think but I don't see that it would be causing this noise?. It only happens from dead stop under moderate acceleration. After the caliper is off, grab the metal part of the pin in one hand, pinch the boot with other, and gently wiggle and pull until they seperate. I have a 2005 3. at metal n Rattle is faint with the wind. I would let off of the gas and it would immediately stop. Still with the new setup i hear this darn rattle noise, and i can't be the heat shields since i've removed them all and replaced them with heat wrap. Ping: Similar to sprinkling nails on a piece of sheet metal, this sound is caused by an air and fuel charge exploding instead of burning smoothly. I also feels like something is holding down the acceleration of the vehicle during the time I hear that rattling sound. Your car can vibrate, shake, and create various types of noises for different reasons. But when it happens, it happens, and knowing how to take care of a car starter that makes grinding noise can go a long way toward saving you money. noise synonyms, noise pronunciation, noise translation, English dictionary definition of noise. 5RS (so no turbo heat shields) that makes a pretty nasty rattling sound that sounds similar to a heat shield during hard acceleration. Car has a hard time accelerating will take a while to move when pushing on gas and then lurches forward and then has a hard rattle that shakes the whole car and now it has a very high pitched whir. only when I'm driving less than 60 km/hr and under load (perhaps it can be resumed to: when I'm driving at a slightly high rpm, under load and accelerating,with low gear and at a low speed). Hello, I have a 2005 Toyota Corolla and recently it has been making this really loud rumbling noise (sort of like an airplane). If the noise still persists, then the problem lies somewhere in the drivetrain or transmission. I'm not sure if it's anything to worry about or not, but here lately, I've had the Tib making some strange noise but only when you first start it up. I put some modeling clay over it to hold it in place. Well when I am accelerating, and I hit about 30 or so and am revving around 2500-3000 RPM's I get this terrible noise! I can explain it a few different ways, it sounds like a gargle sound thats coming from metal. sound like a rapid clink clink clink sound. this last week everytime i start up the car (no problems here) i hear a kind of grinding noise right when i start accelerating. The sound appears to be some sort of metallic vibration rattling noise coming from somewhere under the front bonnet of my car, and it tends to sound when the car is idling or travelling at low speeds (approximately 20mph or less). I am getting a metal rattling noise on acceleration that I can't narrow down. 0 liter petrol engine. Typically this will sound like a tinny, sheet metal kind of rattle. Search: Search. Which to me sounds like the clutch plates. the sound come from passenger seat or dashboard area. Rattling noises when accelerating can also be attributed to broken heat shields. I wish it was only one time upon startup, but it occurs randomly while accelerating. I recently had new fan belts installed after hearing a high-pitched, whining noise, but that didn’t solve the problem. We noticed that the sound was not coming from the rear passenger door but from the rear passenger. Sometimes, metal pipes around the muffler can already be damaged. Sound like is coming from the front passenger side tire areaI haven't found anything loose. i had to load the throttle while the ford tech crawled around under the hood listening. Metal rattle sound when accelerating Antoine Bisson. When I am idling in drive with my foot on the brake pedal, there is an embarrasing rattling noise coming from what sounds like somewhere in the engine compartment. I am not sure what causes a loose fan shroud to go out of position only on hard accelerations, but I suspect and fear that it could be motor mount related. Dealership came back and said transmission was bad. Two screws at the bottom fasten this piece to the dash and "ears" slide onto the plastic dash apron, holding the top of the metal panel in place. I have the same problem on my Superb TDI 2. Now it seems to be constant. As a result of a high load condition, noise starts to pick up. Also seems to be louder with a cold engine, can only hear with window down. It’s the sound of automotive health. After about 20 miles of riding the noise goes away. As I drive normally I don't hear anything but any slight bump on the street (such as lane reflectors) and I hear it. As of July 1, 2019, all new (four-wheeled) hybrid and electric vehicles sold in the European Union have to feature an “Acoustic Vehicle Alert System” (or AVAS), while all existing models must comply by July of 2021. I have recently noticed an annoying rattle / buzzing sound with acceleration in 2000-3000 rpm range in 1st, 2nd, 3rd gears. I took a four plastic caps of some 2 gallon jugs and placed them under the springs to eliminate the metal to metal contact. A continuously variable transmission (CVT) is a type of automatic car transmission system that uses a pulley and belt system to provide an unlimited range of gear ratios. Remove the belt and see if the noise goes away. As of right now, I only have 1700 miles on this truck. Over many miles, as the belt starts to wear and degrade, it may fall apart. To narrow the possible causes. My Acadia SLT has recently been making a rattling noise when turning left and during acceleration. Rattling noises can either be a simple fix or an impending sign of a serious problem. I put some modeling clay over it to hold it in place. Are you experiencing whining noise when accelerating your car to high RPM speeds? This seems to be a common problem with many cars. It's a high pitched raspy metallic rattling sound. Metal rattling noise 1 Answer. These bearing allow the wheel to turn and when they fail the produce a loud noise. AC still works fine and cold air blows just like that noise you don't like to hear metal upon metal. sound like a rapid clink clink clink sound. Also please check out the statistics and reliability analysis of Ford F-150 based on all problems reported for the F-150. The lesson is don’t give up. The problem presents itself while accelerating at low rpms (1200-2000). I keep hearing this noise from under the front of the car only when im in gear and accelerating below 4k it sounds like metal rattling real quick but only does it when the rpms are low doesn't due it in neutral anyone had any issues like this? Its a 2008 Si Sedan 20k mi. Rattling or buzzing that varies with engine speed is often from loose exhaust shields, hangers or connections. And that’s what creates this rattling noise. Also, in idle, the engine revs up and down at a constant rate, but after listening, it sounds like a vacuum leak. i checked the wheel lug nuts and they're tight because i did them myself. Strange rattling noise from under car It sounds to me like a thin metal plate vibrating and hitting something. Hi guys, Yesterday i noticed a very strange noise coming from under the bonnet whilst driving. The most common fix is to tighten or replace your engines various belts. The noise only happens at idle speed, as soon as you touch the accelerator it goes away completely. If I accelerate fast. Also I have another noise coming from the front passenger as well during acceleration but only when I turn the car left around 0-25 mph. Modern engineering has made driving a car easier on the ears than ever. SOURCE: My hyundai is making a rattling noise that sounds like what we call "spark knock" that occurs when u accellerate quickly, but yes it will go away in a few seconds when the computer detects this condition. hi i have an 06 odyssey with 170k miles on it. If the noise still persists, then the problem lies somewhere in the drivetrain or transmission. The noise may be a hollow knocking sound or more of a rattling sound. Detonation, Pre-Ignition (Pinging) Noise. Metal rattling noise on the passenger side of my Toyota Auris? cmclean replied to caruser 's topic in Auris Club Unfortunately I've no idea, but it might be worthwhile comparing the likes of Kwik Fit, 😱 and independents as Toyota will probably be quite dear unless they are in a festive mood. Make sure the filter's good before replacing the pump. (i have checked theres nothing lose there) this only happens after starting up the car. When im pressing the gas for the first few seconds I can hear a small rattling/sputter noise. I had both my struts replaced ( due to 1 leaking) when I changed my lowering springs back and I still have the noise. 4 with 90,000 miles which has started making a really annoying noise. Feel around exhaust pipes for sheet metal shields that often come loose. and i don't have to apply much pressure either - if i just rest my hand on that area the rattling seems to. Man I hope it isn't the same noise I had in my 4. It sounds like a plastic rattling. com Please bookmark us Ctrl+D and come back soon for updates! All files are available in both Wav and MP3 formats. metal rattling sound is from the light there. While accelerating I can hear it as well as people on the street can hear it. I can kind of feel it through the steering wheel, almost like as the back of the car sinks and the front rises under acceleration, something is slipping from the front drivers wheel area. I don’t mean to deride you here, but are you sure it is from engine? Any noise coming from underneath your legs and seat not necessarily be from engine. The most common fix is to tighten or replace your engines various belts. These bearing allow the wheel to turn and when they fail the produce a loud noise. It is hard to contemplate sitting on my arm chair what exactly can be the issue. The performance of the car seems to be the same. My engine makes a rattling sound under acceleration, it does it everytime a depress the gas pedal. Feel around exhaust pipes for sheet metal shields that often come loose. I hear a slight metallic rattling noise coming from the front of my car when I accelerate. Update the rattle has steadily got worse in fact it is quite embarrassing now. What could this be? My car just started to make a very loud rattling. What could it be? 4G Eclipse GT/SE Specific 3. i've noticed a similar rattle since i got the car (less than 1k on it). I looked, thinking it could be a stick or something stuck in between my steel rim and hubcap, but nothing there. For over a year now there is a rattling noise and vibration coming from underneath the front of the car when ever the car speed is below 40 mph. It occurs under initial acceleration and then stops when I accelerate through it. Lately, when I coast for awhile then re-accelerate there is a noise that sounds like I ran over a rumble strip or the center-line raised pavement makers. An engine rattling noise, or a clicking sound in an engine, can spring up from a number of sources. Rattle sound when accelerating Having a little problem that my mechanic cannot seem to figure out. We checked the breaks, they are fine. However, sometimes it will rattle above the clock/radio area and sometimes near the drivers side. 18 -2354 for the 5. If your car makes noise when accelerating or turning, don't ignore it. The noise seems to coming from the tensioner arm. Place a tiny bit of water on them and see if the noise temporarily subsides. whenever i enter the parking garage where my baby sleeps and i'm slowly accelerating I'll hear a kind of metallic rattling sound coming from somewhere in the front of my truck, like the engine bay. Nissan Altima Rattle/CEL Due to Cracked Welds on Catalytic Converter Heat Shield - 78 reports. Now when i accelerate I hear a metallic sort of rattle/buzz sound from the clutch side of the sled. Prius back seat fan noise. As many time as I was on/off the gas, it was consistent. Also I have another noise coming from the front passenger as well during acceleration but only when I turn the car left around 0-25 mph. A continuously variable transmission (CVT) is a type of automatic car transmission system that uses a pulley and belt system to provide an unlimited range of gear ratios. It happens when I am going about 5-10 miles an hour, in second gear, have the RPMs around 1000, and I try to mash on the accelerator (it's fully in 2nd gear without me doing any clutch action). A grating noise when accelerating a car is often a sign of bad brakes. The dealer confirmed the noise and said that it is probably the compensator nut. I checked the oil and was surprised to see the dip stick was dry. As I said, the vehicle needs to be warmed up before you start hearing the rattle, so it isn't until after driving 5 or 6 miles, or until I'm on a highway where I can accelerate in 3rd or 4th gear when I hear it. For instance, when a transmission is making a whining noise. I made sure I was using premium gas to rule out anything to do with cheap gas. It is not all the time though. The truck is all original and i had it up on a lift and everything is tight with nothing loose or rattling that I could find, also with no codes or check engine lights. A few weeks ago, I noticed a slight rattling/ticking sound coming from the engine when I stepped on the gas. For over a year now there is a rattling noise and vibration coming from underneath the front of the car when ever the car speed is below 40 mph. doesnt happen everytime i turn the wheel only over bumps/cracks. I hear the noise right around when i get into 3rd and then once I hit cruising speed I don't hear it. Also one thought if it has brakes on the rear end it could be one has locked up or is draging. The transmission or the power steering system. I heard the metal rattle sound but soon as it was above or below that RPM I didn't hear it. If the bearings are okay, then it’s likely there in a wrist pin issue. My mechanic tried three times to source the problem without success. Once the engine is completely warmed up it goes away and the block has to be cold again before the noise starts. ended up being a bad egr valve. Sound or a sound of any kind: The only noise was the wind in the pines. When I accelerate, I hear an almost metal scraping sound or a rattle. Still with the new setup i hear this darn rattle noise, and i can't be the heat shields since i've removed them all and replaced them with heat wrap. My car has been making a weird almost-rattling noise when I'm going 45-50 mph. The bike has 12,000 miles on it. Depending on the make and model of your vehicle, heat shields are located in the exhaust manifold, in the exhaust piping underneath, underneath the gas tank, and in the rear end near the muffler. I have a pretty good idea what it is. Make sure the filter's good before replacing the pump. ) The most annoying rattling comes from the glovebox, near the keyhole. this is started when I was driving back from vacation. Under high speeds or higher RPMs over 2500, a locked up fan can create a roaring noise. No one enjoys hearing their car make those awful grinding noises because that’s usually a sign that the car needs a repair. It is hard to contemplate sitting on my arm chair what exactly can be the issue. I notice a rattling noise in my 2003 Pilot LX when I accelerate. The noise seems to come from underneath the car, mostly on the right side. I had a scraping noise on both the cars I've changed brakes on (my bugeye and an F150), and in both cases, that thin little bushing/shim was either installed crooked or bent against the rotor somehow. I drove and he drove, but yet he claimed he couldn't hear it. Rattling noises when accelerating can also be attributed to broken heat shields. A rattling noise can indicate a worn flexible rubber bushing in the motor drive pulley hub. I think its a 1999 reg, it started making a quiet rattling noise starting about 2 or 3 weeks ago, then it got gradually louder and ended up as a nasty grinding kind of sound. I took a highway trip a few days later at 65 mph. loose nut washer hitting sound. A friend of mine had a screeching metal on metal sound sometimes during acceleration that turned out to be a problem with the 4x4 vacuum Sent from AutoGuide. What I haven't been able to determine is whether the noise goes away after I reach a higher speed, or whether the sound of the usually loud engine drowns it out. My Acadia SLT has recently been making a rattling noise when turning left and during acceleration. The noise may be a hollow knocking sound or more of a rattling sound. Sometimes, metal pipes around the muffler can already be damaged. The sound becomes more noticeable higher on the RPM gauge. Hello, I have a 2005 Toyota Corolla and recently it has been making this really loud rumbling noise (sort of like an airplane). It's also a tapping noise. See pics below of rattling brass colored round metal piece. Anyone heard of this? Im assuming its a pulley or a clutch or something rattling. A humming, grinding or hissing car noise can end up costing you. Whether it's engine knocking when accelerating or some kind of spark knock or just a general engine noise, some are more serious than others, but there’s one thing that’s true of them all: it’s never good to leave it alone. The systems are required to generate noise when traveling at under 19 kph (12 mph) or when reversing. I can hear the reflection of the sound when I'm next to something like a guard rail a lot louder. I would let off of the gas and it would immediately stop. upon every initial acceleration it sounds like metal rattling, although i already checked all heat shields and middle shaft heat shield and brake shields too. It's a high pitched raspy metallic rattling sound. I have an 01 X5 4. Any ideas?. Any ideas before I bring it in?. Well when I am accelerating, and I hit about 30 or so and am revving around 2500-3000 RPM's I get this terrible noise! I can explain it a few different ways, it sounds like a gargle sound thats coming from metal. GRINDING NOISE Front brake pad Replacement RESURFACE Rotors DODGE CALIBER √ Fix It Angel - Duration: 7:27. i have never adjusted valve lash. Rattling or buzzing that varies with engine speed is often from loose exhaust shields, hangers or connections. Most recently I felt a massive jerking and grinding noise again during a cold day when temp below 50f for the first time in the fall this year. Once again. Diagnosing a transmission is the same as anything else; it often ends up being a process of elimination. When the gas gets down a ways (half tank), try putting some high octane fuel in instead of whatever you used (like 91 or 93 if available) and see if the noise goes away. Man I hope it isn't the same noise I had in my 4. 0 liter petrol engine. The noise gets louder as I accelerate, and lessens when I let go of the accelerator. Enthusiasts considering a lightweight flywheel are often warned of "lightweight flywheel noise", more correctly called "gear rattle" or "gear lash noise". Honda Accord: Why is There a Grinding Noise When I Accelerate? Are you hearing grinding noises coming from your Honda Accord? This article will show you how to trace the source of the noise, and the different ways to address it. The disk brake pads rest against the rotors at all times. It's most pronounced at about 20 mph. It doesn't sound good at all. My first guess would be the bearings going out. I driving an 06 with 80k miles. A rattling noise can indicate a worn flexible rubber bushing in the motor drive pulley hub. See pics below of rattling brass colored round metal piece. plus I don't hear this sound when I'm cruising or I'm at high speed. Ford F-150 owners have reported 25 problems related to transmission noise (under the power train category). As a result of a high load condition, noise starts to pick up. Disturbing clicking/grinding noise under load when pedalling? chiefgrooveguru. It occurs under initial acceleration and then stops when I accelerate through it. Any ideas? Thanks in advance. It seems to happen more after the truck has warmed up? The noise doesn't seem to come from the engine compartment but more from underneath the truck, like the exhaust. If I accelerate fast. This noise started at 4,000 rpm and continued. When the material on the pad wears through, the metal plate that backs the pad rests against the rotor and makes the noise. It makes noise when i accelerate, but even more noise when i take my foot off of the gas after the acceleration, but is usually quiet when the car is at a stop. It isn't a super consistent rattle, seems to only happen when accelerating from lower speeds. Pressure and oil levels are all normal. Now it seems to be constant. Just finished fixing my remaining ones as one of them was rattling exactly at 1800 RPMs. Metal rattle sound when accelerating Antoine Bisson. My engine makes a rattling sound under acceleration, it does it everytime a depress the gas pedal. It doesn't do it, it's only when slowly accelerating It does it in drive. Car making noise when accelerating? what could it be? Hello all, i have a 2001 nissan sentra, and when i accelerate the car makes noise, definetely like a roaring noise, like the faster i accelerate and harder i push my gas the louder it is. A rumbling sound is usually an upper (spin) bearing problem. These are some of the noises that I have eventually deduced, which now signal a recognisable issue is at hand. I tried revving in neutral and didnt hear the sound. It is hard to contemplate sitting on my arm chair what exactly can be the issue. As many time as I was on/off the gas, it was consistent. Any ideas? _____ 2006 Pathfinder LE V6 4X2 2006 Honda ST1300. One such problem is rattling noise when accelerating. If the noise only exists when accelerating and is nowhere to be found when in idle, you can be certain that sort of friction issue is going on. i cant seem to identify where sound is coming from, it doesn't seem muffled like valve sounds might be. Prius back seat fan noise. If I get under the truck and bang my fist on the cat you can hear it make the same rattling noise(you can distinctly hear it is in the cat). 5 5A/T with about 57,000 miles and i just recently started having a few problems. and i don't have to apply much pressure either - if i just rest my hand on that area the rattling seems to. My car has made a sound like this since new. I have not taken my car in for this, I'm sure they would just say its normal. This noise started at 4,000 rpm and continued. It doesn't do it when cranking, it's only when the car first starts up (more noticeable on cold start-up). I have a 2002 Chevy Silverado that was making a rattling/pinging noise. When the material on the pad wears through, the metal plate that backs the pad rests against the rotor and makes the noise. my truck had a similar noise when you would lightly load the throttle. Typically this will sound like a tinny, sheet metal kind of rattle. It's a thin(ish) metal rattling sound that goes away after you step on the gas harder and start to go faster. It is loud when I accelerate and calms down when I hit a steady speed. The best way i can describe it is it sounds like metal balls in a can rattling. When accelerating this noise is not present, the vehicle changes through all the gears without problem but above about 30mph when you are not accelerating at all (overrun) there is a fairly loud metalic rattling noise coming from what appears to be the front of the vehicle. But this rattling will occur when I accelerate. Detonation, Pre-ignition (Pinging) Noise You usually hear this noise when accelerating the vehicle. Theres no certain point of speed or shifting times when it occurs, it just does it random it seems. Only occurs when accelerting, stops when you hold it at a fixed rev. Here’s a look at car rattling noises from both inside and outside of your vehicle and what they might represent. I don't notice it at all untill I accelerate past 2000 RPMs. The noise sounds similar to the sound that your brakes make when they rub against the rotors. While doing about 25-30mph, if I SLIGHTLY press the gas pedal down, the rattle was fairly constant (or lasted much longer than any other time). Recently I've been having a loud metal rattling noise coming out from under the hood while driving. But its the damn heat shields on the exhaust rattling. They rust or wear out around the bolts. These bearing allow the wheel to turn and when they fail the produce a loud noise. THIS ONLY HAPPENS WHEN IM ACCELERATING. After putting it back together, the noise was still there. The 2009 Toyota Corolla has 21 problems reported for loud noise from engine. 0 liter petrol engine. Signs of Problems with Your Car's Muffler. As I said, the vehicle needs to be warmed up before you start hearing the rattle, so it isn't until after driving 5 or 6 miles, or until I'm on a highway where I can accelerate in 3rd or 4th gear when I hear it. I purchased the truck new 6 months ago. The seal leaks and water gets in the bearings and destroys them, hold. this is started when I was driving back from vacation. In making modifications to any car, there may at times be certain compromises in other areas of the car's behavior. Rattle sound when accelerating Having a little problem that my mechanic cannot seem to figure out. The rattling sound is temporary and goes away when I reach 30 - 40 mph. Ok people, just had a problem come up on my K11 in the last few days. I don't notice it at all untill I accelerate past 2000 RPMs. Fabia Estate (2010) Mk 2, 1. It is an automatic transmission car and the metal to metal sound seems to occur right as the automatic transmission moves from one gear to the next. Metallic raspy rattling sound when accelerating hard above 4000k rpm noise. I am not sure if it is the cold weather since it did not make this noise last winter. " And also what acdeals187 was saying " if you get the noise in low rpm range while accelerating, especially on Eco mode". I need some help here. and because my car was out of alignment ( long story) the vibrations caused it to rattle against another piece of metal. I am sure this is familiar to many of us - you are motoring along and you hear a noise. In making modifications to any car, there may at times be certain compromises in other areas of the car's behavior. But this is not right and it is occuring more frequently. I have checked the oil as I have read of diesel leaking into the sump and the oil is fine. Ever since I've owned it it has made a rattling noise on acceleration, and I really want to know what it is. Remove the belt and see if the noise goes away. Under high speeds or higher RPMs over 2500, a locked up fan can create a roaring noise. It doesn't make the noise at any other time or condition, not when I'm going much faster or on the highway, not when I'm accelerating (fast or slow), not when I'm de-accelerating, not when I'm braking. 4L 4cyl with the cvt tranny. The noise seems to disappear when running at operating temparature. It's like an extremely loud rattling/clanking noise. Then I would step on the gas again and the car would accelerate normally with no unusual sound.