Ma Subaru Crosstrek makes whining noise when I accelerate: Rattling or whistling noise generated by the turbo; If you have a power loss that comes with the rattling noise when you accelerate with your Subaru Crosstrek, it is conceivable that your turbo is declining and some of its elements are at the end of their life. Ignoring this problem could cause your Subaru's rotors to stop working altogether, so be sure to schedule a maintenance appointment as soon as possible. ... With you many KM on your car, anything can cause a rattling noise when accelerating, from a broken exhaust bracket to engine pinging. the sound started yesterday after i … It’s a simple issue with a simple fix, but the consequence could be outright scary. Ping/Metallic Rattle Sound During Light Acceleration. If the noise increases and decreases with increasing and decreasing engine rpm, then I'd say its the engine. Where OC is the standard and boxer engines rule the world. Subaru Impreza 2.5i Premium Satin White. Please comment let me know what is causing the sound, Thanks Ok, I found the rattle coming from my passenger side. When an alternator is going bad, it’ll often begin to put out a high pitched whining sound. The notorious rattling. Save Share. Low transmission fluid level could the source of the rattling sound when accelerating. ... Subaru Crosstrek and XV Forums. If you don't determine why your car is making a rattling noise soon after hearing it, expensive damage can result. SOURCE: Rattling sound when accelerating on 2007 Forester On mine, I got under there and there are rocks rattling in the heat shield. The culprit is running too high of octane fuel whic causes a problem by the name of pre-ignition. My 2011 Subaru Legacy has been making a rattling/grinding noise when accelerating, usually when coming from a stop. When the engine was fully warmed the noise would subside significantly but was still MUCH different than it had been when I drove it off the lot. so it does not seem to be engine or brake related. The fluid should exactly be at the level instructed in the owner’s manual. does not make the noise when braking. Rattling noise during acceleration. Rattling 2. The noise is not harmful to the engine or exhaust system. It's important to note that during normal driving this mapping is ignored. We think given Subaru’s explanation, Johnznot having had a dealer start three random new Outbacks on the lot, and our experience with this type of sound, it is fair to say "They all do that." With car windows down, I hear the noise more under the left side of car than the right. When you add high octane fuel the sound should go away. A whining sound when accelerating is almost always caused by a bad accessory attached to your Outback’s engine. Posted by 1 day ago. Here are the most common causes of whining noises when accelerating: 1. The grinding noise that you hear is the sound of brake pads scraping against brake rotors, which can get damaged if these two parts keep rubbing together. In the past month, I've noticed a very faint rattling noise when I'm accelerating between 2000-2500rpm. where the noise bounces off and back towards me. Bad Alternator. A "clunk" or "knock" when turning or going over bumps can indicate a problem with a ball joint. Check it and swap it if it is the reason, otherwise you risk … Examine it and swap it if it is the cause, otherwise you risk … The number one rattling culprit in your Outback’s exhaust system is the heat shield. I am not a mechanic, I just want my car to not sound like marbles. (Please forgive the wind noise) Sound is coming from underneath the car . The noise is always worse when accelerating, though. slight rattling sound when accelerating at low speeds? 229 Answers. Suspension Ball Joint Replacement. never ever makes the noise when accelerating. Subaru may have a new supplier or a modified moulding technique most likely for cost reduction and weight saving. Or, the rattle might be due to something simple and easy to fix. Here are the most common causes of whining noises when accelerating: 1. The most common source of rattles on Subaru’s are the exhaust heat shields.They can rattle under all sorts of random circumstances. I have a 2000 Subaru 2.5RS with a 5 speed manual transmission. Johnznot reports that his Subaru dealer told him that the “…rattle upon startup was normal (due to the boxer engine design), and that no harm is being done. Makes a wierd rattle sound, which I thought was a heat shield but isnt, when I down shidt or let off the gas and let the engine slow the vehicle. inqahoots. Whether it's engine knocking when accelerating or some kind of spark knock or just a general engine noise, some are more serious than others, but there’s one thing that’s true of … 1. Subaru Outback Whining Noise When Accelerating. The power steering pump is a very common reason why your Subaru Forester might whine when accelerating. If it gets too low on fluid they’ll make the it’ll whine a lot. You need to check the fluid level and fill it back up to the factory fill line. The pump can also go out. Model Year 2018 and Newer . It only happens when I accelerate below 3000rpm. Sounds like its coming from under the middle console, between the seats. Subaru Forester Rattling Noise Repair Symptoms. My '99 Legacy is far from quiet, but yesterday I heard a new – and somewhat alarming – noise. If you hear this ticking sound from your Subaru, it may be one of the three following issues. Heat Shield. One of the most common signs of a developing issue is an acute ticking noise coming from the engine compartment. subaru, legacy. SOURCE: Rattling sound when accelerating on 2007 Forester On mine, I got under there and there are rocks rattling in the heat shield. There are factory made holes in it, and the rocks sit in there like eggs in a carton and rattle when the engine hits a certain vibration frequency which is basically when it is at a stop light or idling. July 4, 2016, 9:48pm #1. Low level of fluid is one of the reasons for causing rattling noise when accelerating. I have a 99RS with ~47K miles. The odd part is, it only does it for a few seconds during the initial acceleration, or when I brake hard to a near stop and then accelerate hard again. All you have to do is tap on it and it'll start rattling like crazy. one curious note. just a nice engine humming. No matter what the cause is, it is worth finding. They can get a little loose as the vehicle ages and … It's definitely coming from the passenger side seat belt tensioner, without question. Any idea what it could be? The exhaust system is one of the most common culprits that can make it sound like your Subaru Outback’s engine is rattling. When I am on the gas the car sounds fine however the second I lift my foot off the gas there is a rattling noise. As it got worse, it was audible at maintained highway speeds, then sub-highway, then anything above 12mph regardless of acceleration. An engine rattling noise, or a clicking sound in an engine, can spring up from a number of sources. I would assume its something to do with the clutch, throw out bearing, or transmission. It only happens when I accelerate below 3000rpm. This is the first time I have heard of a rattle under the hood. Hi folks. This Sound is called "dieseling" and is more common in older vehicles although I have heard it in newer ones as well. It is low oil pressure caused by the car sitting for an extended period ( 8 hours or so). Suddenly, instead of the normal smooth hum on acceleration, the car began to sound like a diesel with a loud, guttural, clackety noise most prominent on acceleration from a stop. I noticed a rattling noise (like marbles) coming from the engine upon startup in the morning only. The noise goes away after a few seconds. To me, it sounds like bearings rattling due to low oil pressure, but the dealer says that every Outback and Legacy does this. It has a timing chain, and the engines use 0-20 synthetic oil. Subaru Forester Whining Noise When Accelerating A whining sound when accelerating is almost always caused by a bad accessory attached to your Forester’s engine. Loose Valves. I say *very faint* because it's mainly noticeable when I'm driving next to a wall, other car, etc. never makes the noise above 30 or so mph. It is worse the more load I have, and is pretty consistent when driving up hill, at lower rpms. Ma Subaru Outback makes whining noise when I accelerate: Rattling or whistling noise generated by the turbo; If you have a power loss that accompanies the rattling noise when you accelerate with your Subaru Outback, it is conceivable that your turbo is failing and some of its components are at the end of their life. There are factory made holes in it, and the rocks sit in there like eggs in a carton and rattle when the engine hits a certain vibration frequency which is basically when it is at a stop light or idling. Answer: Sometimes, these type of rattling noises during acceleration (with clutch sometimes depressed) come from a motor or transmission mount problem or input shaft bearing. (Please forgive the wind noise) Close. Let off the pedal, and the sound goes away. Shell claims that they can clean 70% of carbon deposits in your engine after 2,500 miles of using their highest octane rating. I simply put a window cleaning sponge of similar size in front of the display and it took the gap up and the noise went. Question: I have a clicking or rattling noise when I accelerate hard in my Mazda 3. The noise … When they are loose or broken, they fail to completely block the heat transfer to these key areas. As a result, you will hear frightening rattles at higher speeds. You have to inspect the exhaust system to find out if heat shields are causing rattling noise in car when accelerating. However, do it only when the engine is off for several hours. While the exhaust is outside of the engine itself, it can often cause sounds that are confused for an internal engine rattle. Other people hear the same noise. Performance does not seem to be impacted, any ideas? Have a 2003 2.5RS (so no turbo heat shields) that makes a pretty nasty rattling sound that sounds similar to a heat shield during hard acceleration. The whine that the original transmission produced, at first, only happened during acceleration. If you take to dealer and demonstrate the noise and solution it should be fixed with no issues. Whenever you turn, accelerate, let off the gas or brake, the motor experiences torque that is dampened by the engine mounts so the passengers won’t feel these vibrations. It happens in all gears, but only through that RPM range. 199k members in the subaru community. Unless you can give us more information, it would be difficult to give you any suggestion. CVT noise yes, but not engine rattle? The rattle happens when car is ideling and just beginning to accelerate 0-10 mph then the rattle appears again between 30-40 mph and disappears on highway driving after 40 mph. Hey there. Fix For - Subaru Imreza or Crostrek Rattle Under Acceleration - Front Passenger side - YouTube Trying to find the weird rattle or chatter when you accelerate in your Impreza or Crosstrek? this is my first post/thread on here....ive been on and off as a guest to get a feel for the fourms...ok so heres my deal, i drive a 2004 wrx, i live in upstate NY. Step on the gas to raise the rpm. I have about 6000 miles on my WRX, which is 100% stock. To check, drive 40km/h, then put the car in Neutral. I removed the trim panels surrounding the tensioner and traced the noise right to it. The valves in the head of your engine sit nearly sideways to line up with the rest of the internals. Re: Rattling sound when accelerating on 2007 Forester. Within the last few hundred miles, I have been noticing a metallic rattle/clatter noise when lightly accelerating at lower RPMs (2000-3000). The rattle could be an early warning that something is going seriously wrong with your car. The sensation is often felt in the floorboard.
