With that in mind, this page is divided by when you hear the whining noise, and common causes under those conditions. Sounds That Indicate Your Subaru Transmission Is Failing. Subaru Impreza Whining Noise When Accelerating. I removed the shift console and lifted the rubber boot underneath. My concern is it could happen without me knowing and drain the battery. Car drives 100% so not sure i should worry, but they go for about $500 on fleaybay new, so I would image 1-1.5k to swap. A good place to start would be to check the transmission fluid. The vehicle was off and started making a high-pitched noise (either like a fan or a small motor) from the rear driver's side of the vehicle. In high temperatures, thermal expansion causes the case to expand. During a quality review, Subaru discovered that there is a possibility that one … There’s more on this in the whines while starting section directly below. Aug 11, 2014. Rear Wheel Bearings may, over time, develop a noise condition that causes the bearing to produce a whining sound: Subaru. I tried recording audio but it is difficult to catch that whirring sound. I bought new tires for it in May 2012, and in September 2013 I started to notice a low humming/buzzing sound while driving. Once a good ground is restored it should go away. So far I'm loving every part of being a Subaru owner although I have noticed something since driving it off the lot. Advertisement. By. We couldn't really figure out where the noise is coming from. I have a 2006 Subaru Outback with 112K miles. Mine has a whine when accelerating in 5th gear only, which is amplified with the boot off 10 fold. If not, it may not be the alternator making your Impreza whine, … It was also raining pretty hard that day so they had to drive it with the windows up. If your Impreza’s stereo is making a whining noise, it is usually caused by a condition known as “alternator whine”. Check to see if it's gear dependent. This is particularly true when you first start the vehicle. When an alternator is going bad, it’ll often begin to put out a high pitched whining sound. I dropped the car off after hours and picked it up after hours (was having the rear diff and tranny fluid replaced). It’ll often sound like a deeper whine than a bad alternator. These temperature changes affect the … Here is a great page with way more info on the subject. Here are the most common causes of whining noises when accelerating: When an alternator is going bad, it’ll often begin to put out a high pitched whining sound. Whining when starting can be frustrating to diagnose, since you constantly have to start and restart the vehicle to duplicate the conditions that caused the sound to begin with. When an alternator is going bad, it’ll often begin to put out a high pitched whining sound. For a better experience, please enable JavaScript in your browser before proceeding. Many PS pumps make a whining noise that is difficult to fix. It’ll squeal until it grabs all the way. Bad Alternator. This noise is caused by the operation of the fuel evaporation leakage checking system and is normal. on. Yesterday my 2014 Outback blower motor started making a noise all of a sudden. Well I was correct, I have 90K now and the warranty was due to run out very soon. All of your engine accessories will change their wine depending upon the RPM. Make sure your're not geting air into PS fluid (leak on suction leg of pump allowing air entry). Always had this and figured it was just the AWD system never having owned a Subaru before. It can tell you a lot about the health of your transmission. It should also be accompanied by the battery light. If it changes with the engine, it’s most likely going to be an accessory bolted to the engine (or the radio, shut it off and see if it stops). Except I can hear mine over the radio and with my windows up. Fig. The first is humming. It should turn w/ noise sound or vibration. It's a high pitch whining noise, the pitch increased with the higher fan speed setting. Subaru Forester Whining Noise When Accelerating. Some of these can create a whining noise when in gear. If it stay constant as you rev the engine it’s going to be something else. I'm extremely disappointed that my Subaru couldn't handle the high miles in such a short amount of time. If your Subaru Impreza is experiencing a whining noise, its is often going to be caused by something in the engine compartment. Noise from under the vehicle NOTE: You may hear a noise from under the vehicle approximately 5 to 10 hours after the engine is turned off. I had my car in the shop and unfortunately, they didn't hear any noises. If not, it may not be the alternator making your Forester whine, … 3. It should also be accompanied by the battery light. You need to check the fluid level and fill it back up to the factory fill line. VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. When the water pump goes bad, it’ll make a squeaking sound. You'll hear a distinct humming noise coming from under the hood of your Subaru vehicle. However, this does not indicate a malfunction. 1 (Click to enlarge) In cold temperatures, thermal contraction causes a shrinking of the transmission case. It seems odd that a car less than a year old would make such a noise while warming up. As they go bad, they begin to glaze and stretch. Thanks. When the blower is unplugged the noise goes away. Only happens when I'm going between 40-50 km/h, once I pass 50 the noise just cuts off. For some transmissions, a little whine in certain gears is completely normal. A whining sound when accelerating is almost always caused by a bad accessory attached to your Forester’s engine. When a serpentine belt stretches, it doesn’t grip the accessories that it is turning as well. Of course, that can be difficult to determine if you’ve just purchased the car or haven’t owned it long enough to know what is normal and what’s abnormal. You’ll hear it match the acceleration of the vehicle. Or does it not change with engine speed? The real thing you want to watch for here is a “new” whining noise. The car has not hit potholes recently to start the noise (We usually try our best to avoid potholes). Bearings that are on the verge of going out will normally produce a whining sound. If PS is OK, remove accesory belt tensioner idler and check bearing. Your Impreza’s serpentine belt is responsible for taking the motion from the crankshaft, and using it to turn all of your accessories. Here are the most common causes of whining noises when accelerating: 1. I took it to my Subaru dealer and they told me that I needed new bearings on the front wheels, they called them HUBS. When an alternator is going bad, it’ll often begin to put out a high pitched whining sound. This is a great place to start, since it only takes a second. Alternator whine is almost always caused by a corrupted ground wire to the radio. So you might want to check the bearing on the pulley. The only way I could stop it was to turn the vehicle on and then off. Here are the most common causes of whining noises when accelerating: 1. Alternator whine is a product of a drop in voltage between the radio and the alternator itself. These sounds could also resemble a clunking or whining. If it is even a little bit out of alignment, it’ll be enough to cause a whining noise. Great. Click Here to Read More. Whining Sound Thank God! It is usually way more noticeable on the A.M band of the radio. Does the sound get louder while turning? We have moved our house and I hate moving. Any chance these are normal turbo noises you never noticed before? Hello viewers, sorry I have not been a good youtuber! Luckily, the potholes in our neighborhood are patched quickly. In addition to the noise, I've noticed my gas mileage is severly reduced this winter. To determine if it is the power steering pump, turn the wheel left and right with the vehicle sitting. Bad Alternator. Only the power steering pump will change with RPM or the steering wheel. There are several different vehicular components that can make a squeal or hum. I thought I was losing my mind - my 2012 3.6R has been doing this since December and I have never had a car do this before. Good luck figuring out what is making your Subaru Impreza make a whining noise. Thanks in advance. Here are the most likely causes of a vehicle whining when starting: Your Impreza’s serpentine belt turns all of the engine accessories. The starter may not be fully engaged with the flywheel/flexplate. I recently purchased a used 2013 Outback with a little over 120000 miles on it. Subaru Outback Whining Noise When Accelerating 1. It should also be accompanied by the battery light. The radio can accept interference and cause noise when starting the vehicle. If you see any flecks of metal on there, it is probably going to need serviced. A whining sound when accelerating is almost always caused by a bad accessory attached to your Impreza’s engine. Advertisement. The Mandela Effect, well that explains it! Hello folks, This is a question about a Subaru Outback, but probably pertains to many other cars as well. 8L90E Specs, Performance, and Identification, TH400 Transmission Specs, ID, and Common Problems, Subaru Forester:  Whining Noise → Diagnosis, Subaru Legacy:  Whining Noise → Diagnosis, Chevy Impala: Brake Lights Stuck On → Diagnosis. A bad torque converter can cause a whining sound when starting your vehicle. If not, it may not be the alternator making your Impreza whine, although it doesn’t rule it out entirely. Discussion Starter • #1 • 12 mo ago. There is absolutely no change in the way the car drives. The power steering pump is a very common reason why your Subaru Impreza might whine when accelerating. The fact that it inly happens under load suggests to me that it is turbo related. 2 Posts . If there is anything that you would like to add, please leave a comment below. … If it gets too low on fluid they’ll make the it’ll whine a lot. :grin2: This probably isn't much of a help but mine produces a high pitch whistle only when accelerating under load- aka just revving the engine doesn't recreate the noise. The pump can also go out. The power steering pump is a very common reason why your Subaru Outback might whine when accelerating. Bad Alternator. An alternator or water pump that is beginning to wear out will also produce a bit of a whining sound, both of which will produce the sound relative to RPM change as you are accelerating and will be less noticeable when the motor is idling. Ah okay, hoping that's not what's up with mine but appreciate you replying so quickly. Whew. I looked online and came up with 2 options - either the wheel bearings or the tires. If this does stop the noise, there’s more on this directly below. Noise was the same. That’s why it is important to know the other warning signs of a bad bearing before just going in and replacing it. Pardon you for trying to help me? My 2013 outback started with a noise(a whining sound) that got louder and louder as I accelerated. When an alternator is going bad, it’ll often begin to put out a high pitched whining sound. And this happened to be my first ever Subaru. has initiated an Extended Warranty Program for Rear Wheel Bearings on certain 2005 and early 2006 model year Legacy and Outback models. Power Steering. Hi, I have a 2013 forester, and took it to the mechanic because it's got a whining noise that comes when driving. As long as you have the dipstick out, go ahead and check the transmission fluid color. I had a whining noise on my 2001 vehicle. That’s a great indication that it is probably the power steering pump making noise. A whining sound when accelerating is almost always caused by a bad accessory attached to your Impreza’s engine. Whining/whistling as turbo spools sometimes, and whooshing as the intake sucks down air. You’re going to want to check it for both color, and metal content. JavaScript is disabled. The likely cause of whining noise will be determined by when you hear the noise, and under what conditions. In my case it turned out to be a worn out AC idler pulley. The whirring noise started a few months ago around 82K miles. Pardon me in advance if this is all super obvious stuff that you already know but: My car has always produced some combination of whining, whooshing, or whistling sounds, all of which can be normal turbo noises. I jokingly called it my secret centrifigul supercharger. I have had this engine noise coming from one of the pulleys when my car is idling and under some load, like in drive or with the heat on. ImportCar Staff Writers. I suspect it to be an alternator bearing, or old idler bearings on the front of the engine. No noise when the car was idling. I would suggest having a professional come to your location to take a look at … Save Share. Before you go any further, is the whining noise constant when you rev the engine? Or, it could be a situation where it is having a hard time disengaging. There are three types of sounds that your transmission will make to let you know that there's a problem. We’re the best Subaru Forester Owners Forum to talk about the best years of the Subaru Forester, modifications and reliability history of the Subaru Forester. Coverage will be extended to 8 years or 100,000 miles. The noise will stop after approximately 15 minutes. When it goes bad, it’ll cause a high pitched whine. When accelerating how hard? I was not there to drive it and point out the noise myself. Subaru Liberty Whining Noise When Accelerating. It should... 2. In others, not so much. They are really affordable. Courtesy of ALLDATA. Bad Alternator. Mild acceleration in the same gear or dropping a gear and WOT? If your Subaru Forester is making a high pitched noise or hum, it could be a sign of a bad wheel bearing. My 09 XT is making the exact same whining noise on acceleration. My mechanic is not Subaru specialist but I trust his work.) Should I be concerned, car has 191k in it? The fan still puts out as much air as before. Fixing Subaru Transmission Noise. Well....in this case I might have given the whew if the noise increased as that would suggest a bearing or gear lash problem which is fairly inconsequential in the short term. If you take off your shift boot console and the noise is amplified, it's coming from the transmission, even if it sounds like it's in the dash as it resonates there. A whining sound when accelerating is almost always caused by a bad accessory attached to your Liberty’s engine. But lets say going up an entrance ramp to get onto the highway does. Advertisement . 97 Legacy L w/ a loud engine. Did they replace the center dif? Here are the most common causes of whining noises when accelerating: 1.
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