A loud scraping and grinding noise coming from the front right of the car. It only occurs at low speeds, mph, but not at speeds higher than that. The car drives normally at normal speeds, but it sounds shocking at low speeds.
There is nothing hanging below the car, and the tyres are fully inflated. The sound is made when pulling away in any gear, and when slowing down to these speeds in any gear and in neutral. I don't know whether it is a gear box issue or if something is caught in the front right tyre or brake. How can I tell what is wrong, how can i see if something is stuck in the wheel or brake? If there were something in the way of foreign material e.
The noise may be due to the brake pads particularly if they are not OEM pads. Non-OEM pads sometimes have chunks of metal in them and if the caliper is sticky, at take-off i.
It is also possible that the brake dust cover is contacting the rotor, because it was impacted and bent, but the noise should be present all the time if that is the case. Really, the first thing to examine is the brake assembly pads, caliper, pins in torque plate, rotor, dust cover on the right side.
If the source of the noise is not found there, obviously another rotating component is responsible and that means stuff like axles and the transmission.
Be sure it is really wheel related, though. It is possible for accessory drives and pulleys to make noises, too, and such could disappear at higher RPM, just as you are describing.
In any event, inasmuch as the noise is so obvious, the origin would be quickly identified during an actual, on site noise diagnostic.Lump on gum sore to touch
Such can be scheduled by YourMechanic at your convenience and performed right at your location. Please let us know if you have additional questions or concerns. My car has miles. My car has a manual transmission. Kevin Gainer Automotive Mechanic.My car Renault Clio RT has recently started making a weird kind of noise when i brake and change down the gears.
It only happens sometimes. It sounds like a grinding noise.
Bit worried about it. Any ideas? There is one of two problems it could be your front brakes are bad that a minor issue. However if it makes a noise when you down shift it could have to do with your transmission that could be a problem.
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Maybe the out put shaft on the transmission. If the noise is coming from the wheels, then more than likely the brake pads or drums need replacing. If the noise is coming from the gear box or front diff the could be wear on either of both of them.
It may be in your transmission. If you have driven enough cars to know what a good clutch feels like, then you may need to consider the life left on your clutch. If the clutch isn't doing it's job in separating the transmission from the motor, then you will have a grinding noise when you try to slow the engine down with the gears of the transmission engine brake.
Have a mechanic test the clutch and gears inside the transmission in case your allignments are off a bit. It's a more complicated problem than I can describe to you. This will definately grind gears, but I assume you are fimiliar with driving a manual transmission car.
Grinding noise when slowing down?
Most likely worn brake pads, their metal backing is grinding against the brake discs under braking. Needs sorting very quickly or it can cause more damage. Time to devote to a fix, and do a tear right down to work out. It sounds without a doubt that your break discs are on the way out. Get it seen to very quickly as you do not want it to get worse. Ciaran M. Answer Save. How do you think about the answers?
You can sign in to vote the answer. Mad Jack Lv 7. Sounds like the brake pads are worn. Better get the brakes serviced ASAP.
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For instance: I will be doing 40 mph and say I am taching rpm during acceleration. When I lift off the throttle I hear a grinding-esque noise that stops once the transmission is done lowering rpms. So once the Rpms fall to or so there is no more noise. No noise with overdrive off that I can tell.
No noise on acceleration from any speed or stop. No noise in 2nd only or L in acceleration or deceleration, only in D. Its not very loud. I just know its happening in the back of my head so its annoying haha I have narrowed it down to either the tranny or VC or center diff.
I checked the fluid in the tranny and its clean and doesnt smell burnt. I havent had a chance to drop the pan yet and obviously its the 1st thing that needs done. I was just hoping someone would have some input. Thanks in advance! Honestly that sounds like the same noise my truck makes which is coming from the rear driveshaft u-joints. Prob not your problem. Look near the ends of the front sway bar and find the clamp that holds a wire. Mine is loose and makes noise.
Black tape stops the noise. Also look at the mount at the end of sway bar. If the mount is broken, it will make a noise too. Took me a long time to find that the sway end mount was broken as it looks fine at rest. Heat shield on cat make noise too.Remember Me?
Weird grinding noise developing whilst engine braking
Results 1 to 17 of Thread: Grinding noise. Grinding noise i keep hearing this grinding noise after i let go of the throttle and eiether slow down with brakes or just just letting it roll to a stop. Does it make that noise when you push it by hand?
Can you get video of it? Those are usually the biggest causes of grinding noises. Sorry to pop your bubble sullied. But if you watched the vid you can hear the noise Trials is describing, when its described to happen.
To me it sound like something may be loose somewhere in the drivetrain like what sullied decribed or possibly a gear mesh problem? Sounds like the ring gear in the diff. The 2 that i got to play with at the LHS sounded exactly the same literally right out of the box. Keep flex'in those forum keyboard muscles. Mine has the same problem, except mine is not from the spur gear.
I get the same grinding when coming to a stop or moving slowly, or even when I turn the wheels by hand. I have eliminated the pinion spur by moving the pinion all the way away from the spur and while turning the wheels same thing. I also took apart the tranny, cause that seems to be where the noise is coming from, but all the gears look pristine.
The only way I can get it to stop is by disconnecting the front drive yoke from the tranny So I have narrowed it down to the front driveshaft or front diff causing the problem.
I do not believe it is the front diff because of where the noise is coming from, so I kinda think the front driveshaft is rubbing somewhere.Ghee making machine project
The next step is to remove the front driveshaft and inspect it for signs of rubbing, and if not there, its time to tear into the front diff which I really dont wanna do. The grinding is so bad, though that it sometimes will halt the truck while coasting right at the end or make it slightly hard to accelerate from a dead stop when at that spot. I have thought about a bent yoke output shaft as well Last edited by Ozydego; at PM.
Been there, done that! In fact, at times, when coasting to a stop, the wheels would lock up. I figured there was dirt in the spur gear, or else in the driveshaft. I removed both covers and found that small gravel stones had worked their way into the center driveshaft covers. The shafts were chewed up, but no real damage.
The VXL motor has plenty of power, so I didn't really notice any reduction in performance. Just when rolling to a stop, the wheels would lock all of the sudden. You have a rodent infestation. Shall I terminate? Update: it was not the driveshaft, after taking them off, I looked and they were totally clean. I spun up the motor without the driveshaft attached and it still had the grinding noise, so back to the transmission.
Traxxas is sending me a new set if tranny gears and we will see if that fixes it.Original Poster. Search My Stuff What's New 3 12 24 Weird grinding noise developing whilst engine braking. Prev of 2 2 Next. Noticed this today as i throttled off for a corner, then it has done it in every gear since Just a slight grinding noise, which dissapears when i re apply the throttle Any idea's?
Cant help you with your question but got to say between alarms, stale gym water bottles and grinding noises you are not having much luck are you! Hope you aint trying to sell it! Huntsman 6, posts months. I had a diesel that did this, does it stop when you use the brakes?
I never really got to the bottom of it but ill have a think. NiceCupOfTea 24, posts months. Had the car on the axel stands tonight Had no play in the driveshafts, started the car up and it was clear there was a problem All the power was being transferred primarily to the near side wheel, the off side wasn't turning at all I put the car into second gear and the off side wheel started to judder as if it wanted to move but couldn't - i could turn the wheel and it would spin for a short while but i then went to the near side wheel and managed to get it to stop in which a bit of grinding later the offside started to whirl around I then went under the car and i could hear the noise but couldn't locate its origin.
Does the noise go away when you put the clutch in? If so could be input shaft bearing. I take it it wasn't the exhaust, since it would be very random for it to only happen when you back off the throttle.
Not the same car, but when the diff went on my Eunos roadster, terrible grinding noise under light engine braking. I am almost certain its the diff I presume the diff is in te gear box? Seems to be a common fault with te MA gearbox fitted to a variety of Puegeots and Citroens For the cost of replacing the internals of the box i'd be as better off replacing it Meh.
I have no idea of the specifics of the Saxo! I was just reporting that exhausts can easily bang about, especially aftermatket ones.chevy grinding noise solved
It's exactly what caused a rather alarming noise on my car that I thought was the gearbox dieing. I would have thought it worth checking before spending money.
Happy to be proved wrong in this case!Many automotive noises creep up on you. Then you start to wonder how long this has been going on before you noticed. Automotive noises can stress you out. The car seems to be working fine, but you know something must be going wrong. How serious is it?
Is the car unsafe, or is it going to let you down somewhere? Interpreting automotive noises is often a matter of experience so the amateur mechanic is usually at a disadvantage because their experience is usually limited to the cars that they or their family own.
But there are a few symptoms that are common across a range of cars and a few logical checks can help you figure out what is going on. Step 1: Ruling out engine noise. Race the engine gently with the car in Neutral and listen carefully for any signs of the offensive noise that are associated with the engine speed. With a few exceptions, a noise that occurs when the car is shifted into gear is most likely associated with the transmission. Step 2: Manual or automatic. If your car has a manual transmission, the sounds that it makes can mean entirely different things from an automatic.
Weird grinding noise developing whilst engine braking
Does the sound occur when you put your foot on the clutch to shift into gear? Then you probably looking at a release bearing, which means clutch replacement. Does the sound occur as the car just starts to move as you release the clutch then go away when the car is in motion? That would be a pilot bearing, which also means clutch replacement. A manual transmission is only turning when the car is either in motion, or when the transmission is in Neutral and the clutch is engaged your foot is off the pedal.React game engine
So sounds that occur while the car is stationary and in gear are most likely associated with the clutch. Whirring sounds that occur while the car is in motion may indicate transmission bearing noises or driveline noises. Step 3: Check the fluid. If your car has a manual transmission, checking the fluid can be a big job. The car has to be jacked up and a check plug removed from the side of the transmission. An automatic transmission might be easier, but in recent years manufacturers have started to eliminate dipsticks and fill spouts from the user serviceable hardware.
Check your workshop manual for instructions on checking the automatic transmission fluid. Low fluid can cause all sorts of problems, and noises are usually the first noticeable symptoms.
Catching a low fluid level early can save you a lot of money. If the noise began shortly after you had the transmission serviced, contact the service professional to find out exactly what kind of fluid was used.
In the last 15 years, many transmission manufacturers have each been using their own special fluid, and using anything else can sometimes cause inappropriate noises. Step 4: Put the car in Reverse. If your car has an automatic transmission, there are a few other checks you can make. With the engine running, put your foot on the brake and put the car in Reverse. Does the noise get worse?Cheapest p25 phase 2 scanner
If this is the case, you might have a restricted transmission filter. When the car is is in reverse, the transmission pressure rises and the transmissions demand for fluid rises with it. A restricted filter will not allow the fluid to pass quickly enough. You can change the fluid and filter if this is the case or have it done for you but it might not be the end of your troubles.
If the filter is clogged, it is clogged with debris from the inside of the transmission, so something else is breaking down.Hey guys, I've been having a strange noise coming from somewhere near the front of my 95 s14 for a while now, and I've decided to find out what it is. It occurs when I'm in any gear, 20mph or lower, and not touching the gas. Also, the sound is very faint or inaudible if the car is cold, and the hotter it gets, the louder the noise is.
I've researched and the only thing I've come up with is the throwout bearing, but I was under the impression that if the TO bearing was bad, I would hear the noise when I pushed the clutched in. Could it be my tranny fluid? I'm not sure what's in there now, and am wondering if MT might fix the problem. Sponsored Links. Find More Posts by coldfire It is the input shaft bearing. It will get worse and worse and worse. The only time it wouldn't make the noise was when I was in 4th or 5th gear, because the gear ratio is so close to that the input shaft and output shaft were going almost the same speed.
Rides Gallery: JaeTea. I thought it was just the engine decelerating. Every manual transmission I've ever driven has done it. Find More Posts by JaeTea. Rides Gallery: kandyflip I would think it's a shaft bearing. I don't think it's the input shaft though cause if it's in neutral with the clutch engaged then the input shaft is rotating and you would still hear the noise if it was one of the bearings on that.
Might also be a pilot bearing. If you pull the tranny off just check the pilot bearing and the TO bearing first. If they're alright you may have to take the tranny apart. Find More Posts by kandyflip Yea I think it's some kind of bearing that's fucked up cause I forgot to change the ploit bearing and I might have screwed up when I was changing the throwout bearing.
And since I don't have the rubber boot I can hear it loud and clear everytime I leave it in gear and decelerates but it goes away if i push in my clutch pedal. Find More Posts by ghostuss.
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