How to quiet rear differential noise while driving. Sidn Aug 6, 2023 · 2018 ram 1500 2wd.
If there is excessive lash in differential gears, you will hear a whirring noise coming from the center of your car. The closest thing it reminds me of is a propeller on a plane, where the noise waves in and out. Just took it to dodge dealership, they said I have bearing noise in the rear differential. I would DEMAND a new rear end. Common Causes For A Humming Noise When Driving. Question: While driving in reverse or turning corners, the back tire area of my vehicle sounds like metal to metal. Apr 25, 2022 · One is the famous whirring noise from CVT and the other the Diff noise. Replace the pinion bearing. Fluid I drained out did not have excessive metallic in it. Be careful when you're doing this. Dec 29, 2020 · If it is done properly the differential gears should be as quiet as they were when the car was new. Worn out car tires and poor tire choice can result in different noise levels produced by the jeep while riding. That means that those are the times you will struggle to maintain control of your vehicle. Sep 5, 2021 · In this video we show how to fix a mysterious clunk noise that was only apparent when driven on this Chevy Silverado. If you notice your car making squeaking noises when driving slow, consider checking the condition of the belts. If a differential is malfunctioning, you will find it difficult to steer, particularly when you’re traveling at high speeds. It was very easy to pinpoint with the truck suspension unloaded and up on a lift, but if you can make it as quiet in the cab as possible and just open your rear slider (if you have one) it is pretty obvious when the whine is coming from the rear diff. Jun 22, 2015 · Step 3 – Pull out the driveshaft to clean and grease the slip yoke. May 7, 2023 · I'm not a driveline specialist, but I have a similar truck to yours (except lariat and 3. All right when you're diagnosing the rear end noise that you have, if it's a noise that's constant all the time, what you can do is you can put the vehicle up on a lift and have someone driving. Among all those bothersome driving noises you might hear, the hum is one of the most frequent ones. I do not know a thing about the drive train on any cars. The sound increased as I went above 55-60mph. If the noise is loud, it will distract the driver and cause a loss of concentration, which leads to accidents. Jan 14, 2013 · Visit me at: http://www. Worn out tires tend to have inferior traction force on the road, and this is usually the source of noise while driving. Start by spraying the rear end of the driveshaft with some penetrating oil. Service the differential fluid at recommended intervals. Continuing to do so can result in further damage to the drivetrain, leading to costly repairs. com http://1aau. Noise gets worse in warmer weather Cause: Posi chatter due to improper lubrication; worn clutches or spider gears; improper assembly Sep 16, 2021 · This Tech Tip applies to Tacoma vehicles equipped with a BD20 rear differential – Part Number: 41110-04130. I put it in N while at 50mph and the noise was the same. Mar 30, 2012 · Noise: Banging or clunking while making a turn, backing up, or rapid deceleration (like on a freeway off-ramp). Fixing Rear Differential Noise. Nov 13, 2016 · Noise: Clicking while decelerating from 20 miles per hour to a complete stop Cause: Worn carrier case-side gear bores Noise: Rumble or clicking that gets worse during hard turns Cause: Bad wheel bearings Noise: Driveline squeaking or grinding at any speed Cause: Worn or damaged U-joints Noise: Clunking when depressing the throttle pedal (takeoff) Jul 28, 2019 · It sure seems like it’s coming from rear end area. Fixed this at the same time I installed the TKX and new driveshaft. That is how I used it to drop the old diff out and install the new diff. Dec 14, 2022 · This post will let you know the nitty-gritty of what noise challenges users face with their car differential, what are the reasons behind the noise, and the potential solutions for how to quiet differential whine. Still, here’s a list of all the potential reasons behind the hum: Shop for New Auto Parts at 1AAuto. Common Source of Noise: Rear Differential. If you hear a humming noise from the rear of your Ford vehicle while driving above 30 or 40mph, there can be faults in the axle of your Ford F150. Four-wheel-drive , the sound could be coming from the front (most likely) or the back. Adding standard differential fluid to a limited-slip differential can result in noise and vibration while turning. 31) and experienced this as well. That solved the noise for me 40,000 miles ago, and have not heard it since. I have about 500 miles on the truck now and hearing sporadic front end humming/grinding noise. I don't have the money to buy new gears or to pay someone to adjust it professionally. Feb 12, 2023 · However, if issues do start to crop up, it’s vital that you diagnose and correct them right away. Here’s what a bad wheel bearing sounds like: A bad wheel bearing can cause a humming sound. Is it a whining, clunking, grinding, or humming noise? Does it change with speed, turning, or acceleration? This information can help pinpoint the source of the problem. The customer brought it back to the dealership several times and was told that the technician could not hear the noise in question. Sep 1, 2022 · Reasons behind a humming noise increasing with speed. Feb 16, 2022 · Driving with a bad rear differential could cause the vehicle to not maintain control while turning. By following these maintenance tips and addressing any issues promptly, you can help prevent thumping noises in your car and ensure a smooth and quiet driving experience. So I'm lost. May 8, 2023 · It can be annoying to hear a rattling noise while driving over bumps. Now it's as quiet as a church mouse. Each source of noise has a distinct sound profile and occurs under specific conditions, which can help in identifying the culprit. I just purchased a new 2023 F150 Supercrew XLT 4x4 pick up truck 3 weeks ago. However, newer cars should not be making this sound. RECOMMENDATIONS: Feb 4, 2024 · 1. This ensures that you do not make a mistake when screwing everything back in place. I pulled the drive shaft and blocked up rear of car. It does it at 30mph and at 50mphno difference in sound. Nov 30, 2021 · Gear and driveline noise can be a funny thing, because it may only be noticeable during certain driving situations. To prevent such issues, regularly check the transfer case fluid level and top it off if necessary. Nov 16, 2016 · I picked up my truck yesterday with a complete set of new rear diffs gears etc and a system update on the heater problem all courtesy of Dodge recall, although i still have the clicking noise but not as bad as it was, told by one of the salesman that he had that on his VW and he dropped the heater down a couple of notches which fixed it as it was the flaps, if i want them doing thats going to Nov 6, 2023 · Humming Noise While Driving: FAQs Q: What are the main causes of a humming noise while driving? The main causes can vary from tire issues and faulty wheel bearings to problems with the drivetrain or transmission. Now this happens when the car speeds up and slows down and is constant, meaning it doesn't just cut in and out at random times. Jan 19, 2024 · 1. Check Fluid Levels. The rear differential won’t unlock. There might also be a whirring sound that comes from mismatched, worn, or oversized Nov 25, 2023 · This may cause unusual noises, such as grinding or whining, while driving. The tread patterns typically show a bumpy wear pattern Feb 17, 2001 · The noise has been on ours since around 40,x. But even if the rear alignment is in spec, the rear tires on a front-wheel-drive vehicle will develop a wear pattern that will make them noisy when they’re moved to the front after too many miles on the rear. Top up brake fluid levels regularly to prevent squeaking noises when driving slowly. Sep 25, 2015 · Oh and the noise it made while driving (I cant think of a good word) except a "drone" noise or very loud road noise. Here is when that characteristic whining noise is due to pinion bearing wear that is characteristic of Ford trucks and why they occur. Nov 6, 2019 · Has any of you had any problem(s) with the rear differential. Low brake fluid can lead to poor braking performance and unwanted sounds while driving at low speeds. Nov 22, 2023 · Common culprits include CV Joints, Front Differential, Transfer Case, Worn Suspension Bushes, Tie-Rod Ends, ball joints, and U-joints. Which one was making the noise, the diffy or the TC? The rear diff, The TC was fine. So you need to fix these problems urgently when you begin to hear rear differential noise in your vehicle. Loose wheel bearings are one of the most common causes of humming noises from your car May 23, 2021 · Rear end noise (Club Car DS) The rear end noise in a Club Car DS is due to a faulty rear motor bearing, a loose center rim cover/hub cap, a non-engaging bent shifter cable or a low transmission oil level. The other issue is of more concern - its a 55 mph and faster vibration coming from the right rear during long sweeping right handers. After returning, test your vehicle and inspect the pinion seal, side seal, and gasket. With the LiquiMoly and new oil , the noise starts immediately. Jan 10, 2023 · When driving at a slow speed and hearing an audible clicking, it could be indicative of a detached brake pad. In this article, I review all the causes so you can narrow down the Apr 22, 2019 · If you need any parts for your vehicle, click the link in the description and head over to 1AAuto. Aug 14, 2022 · The tech notes that the vehicle is particularly well taken care of; however, the truck has a rear differential noise that began soon after the customer purchased it used from a local dealership. No change to the growling noise. It is not recommended that you open up the rear differential mechanism and try fixing it on your own, as it is a complex job. Several symptoms can indicate that your rear differential is going bad. com/I've had more than one person come to me with questions about a noise from the rear end of their Honda Element or C Feb 19, 2019 · 2 days ago, loud humming/whirring sound started coming from the rear end of the car. Can't be looked at until after tax refund next year, what's the best stuff (weight/brand) I could put in there to tone it down until then? If you are hearing clunking, rattling or grinding noises in the rear end of your rear wheel or four wheel drive vehicle, it may be a problem with the differe Nov 29, 2020 · While driving my car I hear a loud, pulsing noise that fazes in and out. Jun 1, 2015 · They told me the gears would be noise-free. I was planning to replace rear diff oil coming spring, so it has not been touched at all. . Oct 9, 2015 · In this video we check out a noise coming from the rear end of this Kia Sportage. Dec 1, 2013 · I had the same problem the whining would be very obvious at around 1800 RPMs. Its an off and on noise (almost sounds like i'm driving on a rumble strip - buzz quiet buzz quiet buzz quiet, etc. miles or so. Apply some lubricant to the pulley’s center, close to the bolts. The noise may be more noticeable at higher speeds or when accelerating. How do I quiet my rear differential noise? As I mentioned before, you will have to prep the area first to quiet your rear differential noise. Special limited-slip differential fluid compliments the engagement and release of the limited-slip components. While the more powerful foot pedal circuit is hydraulically powered, this system operates via cables. Mar 5, 2023 · Incorrect operation of this circuit could cause the caliper to become stuck and cause rear brake scraping noise when driving. 1 or 2 bearings will be scored (mostly due to poor quality bearings used by Subaru and lack of oil changes) . U-joint is usually used in 2WD trucks. However, if the pinion gears are worn, they can produce whirring noises at the same speed or while decelerating or accelerating. You know what pulley is having problems when the whining or grinding stops. Differential Issues. If the noise came about right after a tire rotation, have the alignment checked and consider having the tires rotated back to where Feb 22, 2022 · Driving a car requires hydraulic fluid to operate the brakes, power steering and other mechanisms. At constant road speeds it is quiet. I plan to put my GoPro under rear to see if any thing is moving or to hear it better but haven’t had the time. Just never did anything about it. Nov 9, 2023 · One of the most common reasons for humming noise from Ford 150 when accelerating is the bad U-joint. The caliper is tasked with securing the pad firmly in place, yet when it has become loose, there will be a clear noise at low speeds along with the movement from the part itself. Oct 4, 2022 · 1. May 12, 2008 · When I had Synthetic Gear lube in my rear diff. The last thing you want to listen to is an annoying squeak coming from the car. So you could jus the cruising through a parking a lot and clear it constantly in the rear. In this guide, I’ll walk you through everything you need to know to diagnose a rear differential noise, as well as what you can expect if your rear differential does need repairs. May 9, 2024 · Clean Undercarriage: Keep the undercarriage of your vehicle clean and free from debris, which can become trapped and cause thumping noises while driving. Adjust any loose belts to eliminate the May 9, 2024 · 2. Mar 25, 2022 · Remove the Rear Driveshaft. ericthecarguy. Jul 24, 2023 · little more background on the rear end: I had a bad wheel bearing. Below 30mph, its quiet as normal. Take a Scotch-Brite pad to the exposed yoke and remove any surface rust. Sidn Aug 6, 2023 · 2018 ram 1500 2wd. This should work for most individuals, and 20 minutes and $10 is a lot better than a week without a car, and $1500 for a new rear differential. Only makes the noise in that "sweet spot" of maintaining constant speed on flat ground. Thus, differential noise can be produced, due to drop in lubricant levels or improper gear adjustments. Nov 28, 2022 · Either the rear differential or rear wheel bearing. On some Mercedes models up to the late 80s, the clunking noise was common due to the independent rear suspension. Eventually, a bad wheel bearing could cause the wheel to disconnect from the axle while driving. The most common reason for a rattling noise when hitting bumps is a loose exhaust Nov 17, 2011 · After I put the Moray in, it was initially quiet but after a short while driving the noise would start. No problems accelerating or driving at all Dec 21, 2019 · So I’m thinking it’s the struts but when driving slowly and the road is not perfectly smooth, there is a clunking noise from both sides in the rear. May 18, 2024 · To quiet differential whine, use thick oil or synthetic fluids with sawdust premixed in it. They said it'd be around $4,000 , they didn't take it a part to even look at the gears or bearings. The noise happened again this Nov 15, 2023 · If a tire has lost balance, it will have a non-circular rotation that causes a wobbling sensation to occur while driving. The gear oil might be leaking onto the brake shoes, which is unsafe makes for unsafe driving conditions. However, these are the most common causes: Tire cupping: Tire cupping is when the tires become uneven. If there is a whining noise under acceleration that goes away on steady state cruise or decelerating, generally the ring gear and pinion gear are not “set up” properly, meaning the way the 2 gears mesh with each other is not correct or the bearings were not properly torqued. If your car is low on power steering fluid, it could be making squeaking noises when you brake or turn the steering wheel. Defective Wheel Bearing. Next, clean the housing without forgetting to replace those Aug 8, 2006 · A cheaper way to get rid of the diff whine is to simply put better gear oil in the rear diff. Older rear-wheel-drive vehicles with a live rear axle and coil Oct 5, 2022 · A defective wheel bearing is a very common reason your Highlander will make a humming noise while driving. com. Because this 4Runner was equipped with a locking differential, the technician put the truck in 4LO and locked the rear end before starting the repair. The most common ones include: Differential Noise; Leaking Differential Fluid; Overheated Differential; Losing Traction; Excessive Vibrations; Poor Handling; Uneven Tire Wear; Let us understand each symptom in detail: 1. Other Signs Of A Bad CV Joint Jul 4, 2024 · As we have established, the noise a differential makes will be most evident while you’re accelerating and turning corners. The rear wheels keep spinning while on turf. Mar 8, 2022 · A whirring noise from the rear of the vehicle can also be caused by a rear axle bearing that has gone out. Aug 15, 2007 · I have a new Winters quick change differential in my '32, and the 'whine' and highway speed is unbearable. After you replace the diff with a good unit, if you find there is still a 'whirring' noise, most likely it will be the CVT bearings inside the CVT. Subject is a 2000 Dodge Dakota that has a very whiny differential (8. So I turned the cradle 90 degrees which then held the diff more level. Both create a roaring noise on acceleration, but the differential will also create a roaring under additional load. While removing the rust on the yoke is not absolutely necessary, it is the surface of the yoke that passes through the dust boot on the transmission tail shaft. Goes away if I decelerate or accelerate. Anybody remember what the viscosity was? I think something like 90w-150 or something Nov 30, 2023 · 2021+ Ford F150 - 2023 new truck sporadic humming noise/rough driving - Hello I am new to the site and new to Ford. Apr 13, 2023 · The car making a chirping sound is caused by many different reasons: the noise of the horn or the bumping of the wheels…. There are four bolts that connect the driveshaft to the rear differential. I just had the rear end fixed from a rear bumper hit and run last month. Here’s what a defective wheel bearing sounds like: A bad wheel bearing can cause a humming sound. I researched that bad differential can cause noises maybe similar to what I am experiencing, with a lot of different factors since they are complex with lots of parts. Loose Wheel Bearings. So, I am wondering if y'all think this is a rear differential noise or wheel bearing noise. I do remember though that Ford bumped up the viscosity of the rear end oil to a thicker oil to quiet it down. And ring and pinion gear noise that occurs only on deceleration is a good example. 25 chrysler), makes some noise under acceleration, more under coasting. Feb 12, 2012 · Hey All, My wife's 08 AWD Rav with 86,xxx miles has a groaning rear differential. Some 2020-2021 model year Tacoma customers may be concerned with a whine noise heard from the rear of the vehicle when driving at highways speeds (40+ MPH) and applying light throttle or slowly decelerating. We looked at every possibility, the sli Feb 23, 2006 · But I am not sure which bearings do cause the growling noise. Kia has a service TSB regarding this noise and they claim it is unrepairabl 2 days ago · Rear-wheel-drive, the noise will be coming from the back. Fortunately enough we have discussed some of the best methods to help you fix your Subaru outback rear differential noise. Apr 29, 2020 · While most are normal while the vehicle is in motion, there are times when a noise coming from under the truck can be a serious matter. 2. A constant whirring noise which can also be described as humming is pretty much always caused by a bad pinion gear bearing. 4. If you have a worn wheel bearing the sound will be a little more high-pitched than a tire issue (you can play that sound below). I put it back together, with the pinion right, and it still whines. If you feel a vibration or shaking sensation while driving, it could be a sign of a rear Apr 9, 2023 · To identify the rear end noise on deceleration issue, move from one pulley to another while running your car with the hood open. The differential in the video featured in this article has a little bit different of a set up than most rear differentials Just took my 2021 Tacoma to the dealer less than 1300 miles on it 3rd member/rear differential was making a whining noise between 52-60 mph service tech checked oil found lots of metal flakes knuckles67 , Mar 31, 2021 Jan 23, 2014 · In regards to our parts-hauling Ram, our growling noise came about one afternoon when making a run to the local parts store. The wheels go from turning freely to feeling like brakes are on about 2-3 different places in 1 full rotation of the tire. A humming noise from the car can have different origins; it's typically friction-related and has a large pool of root possibilities. With me riding in the rear compartment, as soon as the vehicle starts moving, there is a groan, and as the speed escalates, the pitch rises, and actually sound like a whistle if you are up front, a loud groan when directly over the differential. and transfer case. While I had the rear end apart I checked the r&p backlash - it was horrible, like . Car is new to me as of earlier this year and I noticed a slight whistle/howling noise from the front diff while cruising at 60mph. First, try to identify the specific type of noise and its location. After reversing, give the rear wheels some time to gain traction. What could it be? Answer: I recommend having the backing plates at the rotor checked for a clearance problem, it may be just a minor adjustment to the '05 Legacy 4EAT automatic with 114k miles. Faulty rear motor bearing; Loose center rim cover/hub; Non-engaging bent shifter cable; Low level of transmission oil May 30, 2010 · I've got quite a bit of rear end whine, I pulled the rear end apart, the bearings are fine, but there was way too much play in the pinion. . Mine is a 2014 cla250 4matic and the rear diff makes a terrible clunking/clicking noise when slowing, accelerating and turning. I built it to cradle the differential, but putting the differential into the cradle caused it to tip forward. Vibration While Driving. If any of these components are worn out or damaged, they could potentially generate a clunking noise while driving. Can one drive safely with a malfunctioning transfer case in 2WD? While it is possible to drive in 2WD with a bad transfer case, it is not recommended. This can be accompanied by a gear oil leak from the differential on a rear wheel drive car, or by lateral wheel play on an rear independent suspension car. Identifying the source of the noise is crucial in finding the right solution. A bad rear differential can cause a lot of different issues, and it’s crucial that you get it fixed as soon as possible. In most cases, a damaged solenoid could be causing the issue of beeping noise Aug 27, 2013 · Now the fun begins! I built a simple platform out of wood and bolted it to my slim floor jack. What Is A Differential? Simply put, a differential is a system that transmits an engine’s torque to the wheels. case. No difference. We’ll also provide tips on how to identify Aug 13, 2022 · When the Noise is Due to a Worn Bearing. Here, we’ll explore the potential causes of the rattling sound and offer possible solutions. The differential could be failing if its leaking, running low on lubrication, or you drove through deep water at some point, allowing water to enter the axle, causing lubrication Feb 12, 2023 · When you are driving to work or into the city, you want to enjoy the trip with your favorite tunes or podcast. Front Diff Locking Up: Front wheels don’t spin while still engaged. I took my car to my dealer (which is also a high performance SRT shop) and they replaced the entire rear end after the tech and I took it for a spin and he heard it himself. While you’re cruising at normal traffic speeds, your ring and pinion gear set might be perfectly happy. Have changed rear axle fluid to a thicker viscosity (SAE 90 GL-5). It was a very loud whine. Feb 21, 2024 · If you hear a whining, grinding, or howling noise while driving, especially when turning, it could be a sign of a damaged or low differential fluid. Thanks to all who offer suggestions. Dec 2, 2022 · If you’re driving a car and notice that your rear differential is making a noise, it’s important to take action. It’ll make it as soon as you’d drive over a speed bump also. If your Highlander has a worn wheel bearing, the sound will be slightly more high-pitched than a tire issue (you can play that sound below). These options help reduce noise. If it’s making noise while you drive, there could be an issue with one of the wheels and causes a shudder when the tire Symptoms of a Bad Rear Differential. As you can see, both of these problems are serious concerns and require a knowledgeable mechanic to diagnose and repair or replace them. In some cases, the noise may even be caused while driving straight and accentuated during acceleration. If you hear a humming noise while driving, it often has something to do with the traction of your car. When dealing with a noisy rear end, the main culprit is often a bad axle bearing, especially during turns. Set off the parking brake. The rear differential noise may vary at various turns for cars with a C-Clip axle shaft. Apr 25, 2020 · Mounting points on the frame can rust away, but this causes steering symptoms far more noticeable and worrisome than a mere noise. Repair of the differential is usually recommended to be left in the hands of professionals because of the complexity of the system. Also, the materials behind the design of the tire will either cause noise or reduce irritating sound production. Brake Caliper A peaceful and noise-free driving experience not only enhances comfort but also ensures safety on the road. Apr 4, 2022 · In this example, we had a rear differential axle leak. Aug 26, 2022 · Still, here’s a list of all the potential causes behind the hum you might hear while driving: Worn-out wheel bearings; Transmission faults; Power steering pump malfunction; Imbalanced tires; Leaking exhaust system; Drivetrain issues; Truth be said, the humming noise is the most widespread driving noise that’s caused by a wide array of issues. The axle seal may have separated, causing it to leak fluid. U-joint can be one of them. When it comes to identifying sources of noise in a vehicle, the rear differential is often a common culprit. In this blog post, we’ll outline the different types of rear differentials and discuss the symptoms of each. You’ll want to mark where the shaft connects to the rear differential. Differential Noise: Sep 21, 2023 · Cracking, whining, and whirring noise from the wheel while driving. Identify the Noise. How Much Does It Cost To Fix Rear End Noise On Dodge Ram 1500? The cost of fixing rear end noise on a Dodge Ram 1500 can vary depending on the severity of the issue. It started out as a faint growl, but got progressively worse as we Sep 15, 2023 · If you have been driving your vehicle a while and you haven’t heard any noises, it can be disconcerting to have a clunking noise in the rear end when turning. The beeping noise in the golf cart is because the battery is not fully charged, low battery voltage, or because the rear end fluid needs changing. This sound could be caused by various issues, from minor to more serious. Whirring When Slowing Down. When I asked the shop about the noise, they told me the gears would seat themselves after 200-300 miles, and that because Richmond gears are harder than stock GM gears, they would be noisy. 035. The beeping noise may come during a regular drive, but most people hear it when the cart is being reversed. The rear differential is an essential component of a car’s drivetrain system. After driving the van about five miles, I could hear the rear-end whine at about 35 miles-per-hour. Let my wife drive the car while I was on the back seat. ). Solution. Additional right hand input eliminates the noise - such as going around tight exit ramps. Then replace your rear differential fluid and seal. I don't hear anything while driving . Rear differential noise, when ignored, can lead to major problems and permanent damage on the ring and pinion. Maybe it needs to be in there for some while before it does anything. To identify whether you have faulty bearings in your car: listen carefully while driving around town at low speeds (such as when entering/exiting parking lots); listen for any unusual noises coming from underneath the car, such as clicking sounds when turning corners sharply (especially if accompanied by vibrations felt through the steering wheel). to/c/384/cc/Wheel-Bearing-Hub-AssembliesIs your car or truck making a howling noise while driving? In this May 29, 2015 · A rear differential is major drive train surgery – both rear axle need be removed, the brakes disconnected, and the entire rear differential carrier be removed. Apr 28, 2023 · A car whining noise can also be a sign of wear or problems with the transmission or differential gear train. Any suggestions as to how to quiet this down. If the car is making a squeaking noise while driving, it becomes difficult to ignore. It feels as if something is rotating fast, like a fan but super quiet fan. A differential system is a set of gears that enable the drive wheels to turn at different speeds. Oct 24, 2022 · Ignoring rear differential noise can lead to major problems and cause irreversible damage to the ring and pinion. It’s not recommended to continue driving your Dodge Ram 1500 with rear end noise. I'm driving from the Canadian border to Pleasanton Calif, tomorrow, and this is waaaay to noisy. the rear was noisy, but as soon as I went back to conventional oil it was quiet again. Driving for too long on an unbalanced set of tires will quickly wear the treads and lead to an expensive repair. The pinion gear directly attaches to the drive shaft and it’s what turns all the differential gears and the wheels. To rule out the tires I have changed front left to rear right and front right with rear left. I don't think I can afford to fix and definitely can't afford to replace a differential. az qa nn qs rt mh ea ny na ez