While wastegate chatter is a turbo-specific noise, it is different than turbo flutter. The sound only happens when I'm on the throttle, as soon as I let off my BOV does its job with zero compressor surge. Mike. This topic contains 9 replies, has 6 voices, and was last updated by spelunkerd 9 years, 1 month ago. ). Any suggestions? I can hear the surge during 3rd gear drops (I'm definitely over 3k rpm at that point). A little more info on the truck. Has any had a problem like this before? Bad EGR valve, vacuum leak, fuel control, etc. Creator. valve + die empfohlene Hardware - der Rest ist Stock. I would put my focus on locating where the noise is coming from as I don’t think you’re going to get too much ‘reading the plugs’, it could be a much simpler explanation and when looking for something like that keep it simple, don’t fall prey to complicated theories about what’s causing the noise, locate it and THEN come up with the ‘why’. It sounds like its an ignition issue if the problem is during acceleration or engine load. And it sounds like the rear of the engine. Fixed turbos not setting power multiplier down to -0.96 … ... A reconditioned turbo is where a specialist will strip the turbocharger to each individual turbo part such as the compressor housing and wheel, turbine housing and wheel, bearings and more. It’s never constant hard time making it reoccur. What kinds of repair services can fix noises that happen when accelerating? If u get hesitation while accelerating then i would check your MAF sensor.. Can you be more specific about the ‘flutter’. The flutter also speeds up (and gets a little louder) as the pressure climbs. Can you get it to make the noise while sitting and revving the engine? Most production turbochargers will have an internal wastegate. I'm just not real good at trouble shooting the problems. Support Vendors who Support the DSM Community, How to Use the Search Function Effectively, Common Newbie DSMer Mistakes & Misconceptions, http://www.dsmtuners.com/forums/bolt-tech/414005-dodge-garage-bov-not-holding-high-boost.html, (You must log in or sign up to reply here. Always be aware of your surroundings while driving; if your car is making abnormal noises, including only while accelerating, you should have it inspected as soon as possible. This topic contains 9 replies, has 6 voices, and was last updated by  spelunkerd 9 years, 2 months ago. What does turbo whistle sound like? Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Engine flutter while accelerating. We earn on qualifying purchases from this website through Amazon Associates and other Affiliate Programs. My car sounds exacly like this car in the video, the BOV will flutter when I let go of the gas. The way I read your description, it sounds more like the engine shudder of a misfire rather than a rattle from the frame, but others here seem to be reading you differently. Its becoming a big concern and it sounds like leaves are in the turbo or downpipe. your profile says your on a stock turbo is that true/ (should fill it out up to date makes it easy to help ya) but it does sound like compressor surge, does it go away if you floor it? Thanks. Is this normal? I had almost the same exact thing happen to me but I have ALOT more mods than you, so its probably not what I was experiencing but it sounds like the same damn thing thought. Sometimes in low gear when letting off the throttle, other times it seems to be while I’m accelerating. This upfront discipline and our trust in Flutter’s test framework gave us the confidence to deliver quickly without fear of regression. Update: Seems like the warmer the car gets the worse the fluttering gets. I'm planning on buying a NRG BOV at the moment. I don't think it's the BOV leaking, since it … If not try power braking it. Turbo-flutter. I am going to pull the plugs and see how they are burning, but it doesn’t missfire and I changed the plugs a few months ago. If you are not feeling the usual power when accelerating, the first thing to check would be the turbo. That noise may tell the world you have a turbo, but the truth is, the sound signals a problem. As the name suggests, a turbo whistle sounds like a high pitched whistle or whining sound, heard when the turbocharger kicks in as you accelerate and the revs go up. Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Engine flutter while accelerating. Seem to be getting some turbo flutter at random times. While intimidating at first, we learned this was very attainable, and enforced the rule with automation in our pull requests. Topic December 21, 2011 at 11:00 am #444418. Favorite Answer. Yes I'm on stock 14b turbo, no it doesn't go away at WOT it actually gets worse. Privacy | Terms of Service | Website Disclaimer | Terms of Sale & Return Policy. Get Flutter Sounds from Soundsnap, the Leading Sound Library for Unlimited SFX Downloads. Participant. That automation is still in place today and has never wavered. Here's what causes turbo flutter and how to fix it. Fluttering on acceleration Factory 2.5L Turbo Powertrain (EJ Series Factory 2.5L Turbo) Lv 7. Beitrag von Kriecher » Fr 4. Es gibt einige Videos vom Tdi bei denen der sound zu hören ist nur finden wir nicht wirklich eine Erklärung wie man das macht. 9 years ago. The next … © 2021 EricTheCarGuy All Rights Reserved - Website Design by Caveni, Viewing 9 replies - 1 through 9 (of 9 total), © 2021 EricTheCarGuy All Rights Reserved -, Service and Repair Questions Answered Here. When people think of turbocharged cars, one of the first things that comes to mind is the sound of turbo flutter, that fluttering/chattering sound which happens when the driver backs off the throttle in a hurry, such as when changing gear. You must be logged in to reply to this topic. I do have a banks ram air intake installed as well as a banks monster DPF back exhaust on it. Turns out that with my external wastegate and mbc hooked up together, the mbc was disrupting the boost control of the external gate; so I took off the mbc and viola! Relevance. Wastegates can either be internal or external to the turbocharger. Answer Save. Fluids look good and no CEL. I will check out the video. This is due to the time needed for the exhaust system and turbocharger to generate the required boost which can also be referred to as spooling. Jaaaa es ist scheiße da die Leistung fehlt hin und her nur hat es ein Freund von mir in YouTube entdeckt und sich in den Kopf gestzt. I have a little over 18000 miles on my Subie and I'm now noticing a flutter from the turbo and the exhaust or in that area when driving as the turbo is spooling while accelerating. 4 Answers. By continuing to use this site you consent to the use of cookies on your device as described in our … Turbo flutter may make your heart race, but it might also be hurting your engine. A nice solid 20lbs of boost on a 14lb wastegate spring. DSMtuners was built to be a unique automotive enthusiast community where DSMers can find technical information to help them modify their Eclipse, Talon, Laser, and GVR-4 for high performance and racing and share their build with others. As I built boost, it would start to....for lack of a better word...flutter. Okt 2019, 09:12 Hallo Gemeinde, vorab möchte ich sagen dass ich bereits etliche Probleme mit der Kiste hatte, ZKD, ZKD, ZK, Turbolader (wurde alles getauscht) Habe den m380, Luffi, recirc. Engine flutter while accelerating; Engine flutter while accelerating. http://www.youtube.com/watch?v=6mpNRJ7m-c8. I have a greddy bov, I bought it used. Discussion Starter • #1 • Aug 28, 2007. Subscribe Today & Become A Member of the ETCG Community. When was the last time the vehicle had a tune up? Not sure if I need to be concerned. Do you think you could post a video? It's not linked to engine RPM or turbo RPM though, as I've tested that by feathering the throttle to hold boost around 10psi instead of my full 15psi. The first thing is to track down where the noise is coming from and then go from there. Wie bekommt man bei einem Golf 4 1.9Tdi 90ps AGR Motorcode ein Turbo Chatter/Flutter. For some people, a turbo whistle can be annoying, but to others, it’s actually desirable! What would cause my engine to "flutter" when I try to accelerate? Worn parts will be replaced and the turbo bearings and seals will be replaced with new parts. I just installed a short ram intake and can hear flutter/surge while accelerating and fully boosting. Pilsner Man. Started a few months ago on my 2001 Chevy tracker…it sounds like a flutter and does it under load…any ideas? It does it when I power brake but not while revving it in park or neutral. Turbocharger lag (turbo lag) is the time required to change power output in response to a throttle change, noticed as a hesitation or slowed throttle response when accelerating as compared to a naturally aspirated engine. Car is a '95 Saab 900 S. I like to do the work on my car myself. While going 40 -50 mph and then accelerating enough to kick in the passing gear the engine makes a rattling clacking like sound, its a 4.6 ltr v-8 It sounds like the engine is "pinging" as you are speeding up. Since the turbo is actually making significant boost, is at high RPM, and the pressure is fluctuating wildly because of the surge, these conditions do have the potential to cause greatly accelerated turbo bearing wear and/or damage to the compressor wheel. As I keep accelerating, while maintaining the lower 10psi, the fluttering sound stays the same speed/volume until I let off or stand on it. boosting was smooth as glass. Lariat..a turbo flutter while pulling my 6000 lb trailer..accelerating - Answered by a verified Ford Mechanic We use cookies to give you the best possible experience on our website. Featured Products from our Supporting Vendors. Really bad too, between 10 and 30lbs and even past that, YIKES!! The kinds of repairs needed will depend on the cause or causes of the noise. I think you can rule out the EGR as I’ve never ‘heard’ one of those go bad. In fact, some people purchase aftermarket ‘turbo whistler’ devices that fit inside the exhaust of a vehicle to mimic the sound … Here is a video I did on finding noises that might help. I was leaning towards exhaust leak at manifold or egr valve going out. Changed blowoff sound to an actual blowoff sound instead of turbo flutter; changed 4th gear ratio from 1.0 to 0.8; adjusted pitch for new blowoff sound ; Fixed intercooler detaching when another part was damaged and was supposed to remove itself; Increased chance for a part to fall off when below 15% wear to 1%; Version 2.1.2.
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