Ah okay, hoping that's not what's up with mine but appreciate you replying so quickly. Mine has a whine when accelerating in 5th gear only, which is amplified with the boot off 10 fold. 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. I dropped the car off after hours and picked it up after hours (was having the rear diff and tranny fluid replaced). When an alternator is going bad, it’ll often begin to put out a high pitched whining sound. 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. 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. The starter may not be fully engaged with the flywheel/flexplate. When a serpentine belt stretches, it doesn’t grip the accessories that it is turning as well. This is a great place to start, since it only takes a second. I would suggest having a professional come to your location to take a look at … JavaScript is disabled. Before you go any further, is the whining noise constant when you rev the engine? Whew. 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. The fact that it inly happens under load suggests to me that it is turbo related. Courtesy of ALLDATA. I bought new tires for it in May 2012, and in September 2013 I started to notice a low humming/buzzing sound while driving. A whining sound when accelerating is almost always caused by a bad accessory attached to your Impreza’s engine. I suspect it to be an alternator bearing, or old idler bearings on the front of the engine. The first is humming. 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. If your Subaru Impreza is experiencing a whining noise, its is often going to be caused by something in the engine compartment. If your Subaru Forester is making a high pitched noise or hum, it could be a sign of a bad wheel bearing. If your Impreza’s stereo is making a whining noise, it is usually caused by a condition known as “alternator whine”. It should also be accompanied by the battery light. Should I be concerned, car has 191k in it? Here are the most common causes of whining noises when accelerating: 1. Well I was correct, I have 90K now and the warranty was due to run out very soon. Fixing Subaru Transmission Noise. That’s why it is important to know the other warning signs of a bad bearing before just going in and replacing it. 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. For a better experience, please enable JavaScript in your browser before proceeding. So you might want to check the bearing on the pulley. Luckily, the potholes in our neighborhood are patched quickly. This noise is caused by the operation of the fuel evaporation leakage checking system and is normal. There are three types of sounds that your transmission will make to let you know that there's a problem. Subaru Impreza Whining Noise When Accelerating. If you see any flecks of metal on there, it is probably going to need serviced. When accelerating how hard? Thanks. To determine if it is the power steering pump, turn the wheel left and right with the vehicle sitting. 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. Good luck figuring out what is making your Subaru Impreza make a whining noise. Advertisement. So far I'm loving every part of being a Subaru owner although I have noticed something since driving it off the lot. When an alternator is going bad, it’ll often begin to put out a high pitched whining sound. I jokingly called it my secret centrifigul supercharger. In addition to the noise, I've noticed my gas mileage is severly reduced this winter. If it gets too low on fluid they’ll make the it’ll whine a lot. These temperature changes affect the … We couldn't really figure out where the noise is coming from. For some transmissions, a little whine in certain gears is completely normal. The likely cause of whining noise will be determined by when you hear the noise, and under what conditions. It should... 2. If not, it may not be the alternator making your Impreza whine, although it doesn’t rule it out entirely. Hello viewers, sorry I have not been a good youtuber! Did they replace the center dif? 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. All of your engine accessories will change their wine depending upon the RPM. It should also be accompanied by the battery light. If this does stop the noise, there’s more on this directly below. Whining Sound Thank God! Sounds That Indicate Your Subaru Transmission Is Failing. Save Share. Any chance these are normal turbo noises you never noticed before? If there is anything that you would like to add, please leave a comment below. Alternator whine is a product of a drop in voltage between the radio and the alternator itself. There is absolutely no change in the way the car drives. I'm extremely disappointed that my Subaru couldn't handle the high miles in such a short amount of time. 1 (Click to enlarge) In cold temperatures, thermal contraction causes a shrinking of the transmission case. 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. That’s a great indication that it is probably the power steering pump making noise. You'll hear a distinct humming noise coming from under the hood of your Subaru vehicle. My mechanic is not Subaru specialist but I trust his work.) VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. Thanks in advance. You’re going to want to check it for both color, and metal content. Make sure your're not geting air into PS fluid (leak on suction leg of pump allowing air entry). My 09 XT is making the exact same whining noise on acceleration. When the blower is unplugged the noise goes away. There’s more on this in the whines while starting section directly below. Bad Alternator. With that in mind, this page is divided by when you hear the whining noise, and common causes under those conditions. Alternator whine is almost always caused by a corrupted ground wire to the radio. Power Steering. Only happens when I'm going between 40-50 km/h, once I pass 50 the noise just cuts off. Does the sound get louder while turning? 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. I recently purchased a used 2013 Outback with a little over 120000 miles on it. Bad Alternator. The power steering pump is a very common reason why your Subaru Outback might whine when accelerating. We have moved our house and I hate moving. If not, it may not be the alternator making your Forester whine, … 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. The noise will stop after approximately 15 minutes. I had a whining noise on my 2001 vehicle. No noise when the car was idling. It should turn w/ noise sound or vibration. Always had this and figured it was just the AWD system never having owned a Subaru before. Pardon you for trying to help me? I took it to my Subaru dealer and they told me that I needed new bearings on the front wheels, they called them HUBS. And this happened to be my first ever Subaru. The radio can accept interference and cause noise when starting the vehicle. Here are the most likely causes of a vehicle whining when starting: Your Impreza’s serpentine belt turns all of the engine accessories. ImportCar Staff Writers. A whining sound when accelerating is almost always caused by a bad accessory attached to your Forester’s engine. By. If it stay constant as you rev the engine it’s going to be something else. 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. The Mandela Effect, well that explains it! 2 Posts . Rear Wheel Bearings may, over time, develop a noise condition that causes the bearing to produce a whining sound: Subaru. Fig. The whirring noise started a few months ago around 82K miles. Some of these can create a whining noise when in gear. A bad torque converter can cause a whining sound when starting your vehicle. They are really affordable. I was not there to drive it and point out the noise myself. Aug 11, 2014. :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. Subaru Forester Whining Noise When Accelerating. You’ll hear it match the acceleration of the vehicle. My 2013 outback started with a noise(a whining sound) that got louder and louder as I accelerated. The only way I could stop it was to turn the vehicle on and then off. My concern is it could happen without me knowing and drain the battery. Except I can hear mine over the radio and with my windows up. Bad Alternator. Check to see if it's gear dependent. It was also raining pretty hard that day so they had to drive it with the windows up.
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