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Wheel Bearing Noise Causes & What Does It Sound Like? Once the crankcase is out, check if there are metal shavings. Engine Problems Because of that, this process assists the engine behavior at start up to help them warm up. Unfortunately, telephone consultations is not a service we offer at YourMechanic.com. Having seen the causes of transmission whining noise, whats next? You will need to define if this noise appears abruptly and if it can stop as it started. YourMechanic All rights reserved. Meanwhile, if the sound is coming from an external amplifier, chances you dont have the best ground. Waddaya waiting for! It serves the critical purpose of providing lubrication to the valve body and other essential internal tranny components. The sound stops when I push the gas again. The input shaft connects to the output with a set of bearings. Once it breaks, you will be stuck until the repair can be made. Used 2022 Subaru Outback SUVs for sale in East Los Angeles, CA Low level of fluid is the main reason for causing this trouble. The world's largest online community of Subaru Crosstrek and XV owners, prospective owners, and enthusiasts. When you notice a whining noise from your transmission, check the fluid level and ensure it is on the right gauge. There is no way to tell how long a whining generator will last it depends on the damage. 1- Doesn't sound like a worn bearing. READ MORE: Car Making Squeaking Noise While Driving Causes & Fix. Indeed, if this loud noise does not occur when you iddle, it is surely in connection with your transmission, and, in general, to your wheels. The noise could get worse while accelerating, or it could remain the same. Apr 2, 2017 The whine in my '13 3.6 is not exactly like the one in the video, but I'm 99% sure mine is coming from the center support bearing on the propeller shaft. 2015 Premium with close to 30K on the odometer. The noise is not harmful to the engine or exhaust system. No direct injection yet in the Subie 2.5i. Check it and change it if it is the reason, otherwise you risk clogging your engine in the long run. The consent submitted will only be used for data processing originating from this website. Happy driving and remember don't drive like my brother. The easiest way to locate a bad bearing is to remove the serpentine belt and manually rotate all accessories and pulleys to see if the bearings feel good. I would suggest having a professional come to your location to take a look at the vehicle to determine what may be causing the whining sound. The whining sound has gotten a slight bit louder in the past couple of weeks. Low level of fluid can cause all sorts of problems, and bizarre noises are the first to start with. Many vehicle components wear over time under normal use. If it is louder on one side, chances are its coming from a wheel well, but if its not, theres a good chance its coming from underneath your vehicle. The CVT fluid was dark, but didn't smell burnt. First, your friends (or not) could be messing with you. Have them stand outside the vehicle as you drive by to help you locate the sound. I am now dealing with an annoying whine that is occurring during acceleration and deceleration and even at constant speed. Accelerating/decelerating changes the direction of thrust in the transfer gears. Is Your Car AC Blowing Hot Air? A failed tranny oil pump is usually caused by dirty transmission fluid causing the blockage, a bad front seal causing transmission leaks, and an extremely clogged transmission filter causing restricted fluid flow. Both of these solutions wont eliminate the noise your alternator is making, but they will prevent you from hearing it through the speakers. The whine in my '13 3.6 is not exactly like the one in the video, but I'm 99% sure mine is coming from the center support bearing on the propeller shaft. We have noticed a drop in Average Fuel Economy from about 24mpg to 20mpg over the last two months or so. Noise when accelerating on Subaru Legacy - My Noisy Car Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Drain the transmission fluid with a sizable wrench. Well also explain how to fix it. This article will discuss the causes of transmission whining noise when accelerating. Continue with Recommended Cookies. Not so much like a mechanical grind but more of a whirring that kind of pulses in and out. In most cases, replacing these components will fix the whining noise. Causes & Fixes, 5 Reasons Why Your Car Charger Port Is Not Working. After that, reinstall it following the reverse process. If it causes this acceleration noise on Subaru Legacy, go to your auto mechanic.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'mynoisycar_com-medrectangle-3','ezslot_4',106,'0','0'])};__ez_fad_position('div-gpt-ad-mynoisycar_com-medrectangle-3-0'); If you have a power loss that comes with the rattling noise when you accelerate with your Subaru Legacy, it is conceivable that your turbo is declining and some of its parts are at the end of their life. Might be a wheel bearing going bad. As we know that you do not take these complications lightly, we have decided to write this document to support you find the causes and eliminate this matter as quickly as possible. Its not something that you can prevent but it is possible to diagnose the reason and having a fix before it becomes worse. When you observe uncommon noises on your Subaru Outback you tend to worry about them. Of course, if fluid levels are low, the transmission probably has a leak somewhere, so youll need to track that down too. It seems to be more prominent around 20-40MPH but it doesn't happen all of the time so it's been hard to figure out. One way to locate whining noises is to remove the serpentine belt and check the bearings in all pulleys and accessories by turning them by hand. If there is a vacuum leak in the intake manifold, it can create a whining sound when you accelerate, especially if your cars engine is equipped with a turbocharger, which will expel the air from the leak. The main reason for the whining might be a loose belt, that runs over the power steering pump's pulley. Or is it a bigger issue? The second step to take in case of whining noise from the transmission is to check the filter on an automatic transmission. Its common for transmissions to start making a ton of noise when fluid levels are low. The first thing you should check after hearing a loud whining noise when accelerating is the engine oil. This change causes part of the combustion process to occur as the exhaust valves are opening in the cylinder head. The best (least expensive) way to silence an engine isnt with fancy mechanical wizardry.