Golf/GTI VII :: Loud And Consistent Metallic Whining Sound When Engine Warmed Up

So I started getting this metallic/harmonic whining sound from my GTI's engine a few weeks ago. It was barely noticeable then, but has now gotten louder and more consistent. The sound occurs once the engine has warmed up and can be reproduced by holding the revs constant anywhere above 2k. The sound does not change in pitch with engine speed. It doesn't matter if the car is parked or moving.

I've attached a video... The sound can heard starting at 00:23 and becomes constant after a few seconds. Its hard to hear at first, but if you listen carefully its definitely there.

I have an appointment with the dealer tomorrow and will update with their findings. In the meantime, any clue as to what this could be? I can't really pinpoint where its coming from, seems loudest near where the oil filter is? By the way I'm 100% stock.

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Golf IV / Jetta IV :: 2001 - Cracked Oil Pan - Loud Ticking Sound At Idle - Engine Blown?

I own a 2001 Jetta 1.8t with Gti front end. So I was driving downtown the other day and I bottomed out really hard and cracked my oil pan. I didn't realize it was cracked and leaking so I drove it home, drove fine with no issues at all. When I got home I parked it and went inside and in the morning I came out and tuned it on for maybe ten seconds. It made a really loud ticking sound that was constant and oil pressure was almost all the way down. So I shut it off and looked and saw the oil pan. I fixed the oil pan yesterday and started it up and it sounded really good and drives fine. But I've been hearing a pretty decently loud ticking sound when everything's up to temp and warmed up. The ticking is only at an idle and it drives like it use to just sounds bad at an idle. Some people think it's my oil pump and tensioner, some people thing I ruined the turbo and possibly internals.

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Golf IV R32 :: Loud Humming Sound In Trunk

I am hearing this buzzing sound in my trunk its really loud for ex: those annoying sounds people played as kids that people over "18" cant hear...back to the point its by my rear left tail light inside that area where all the wiring is also kinda hear it where the spare tire is all my lights work I unplugged the light and it still made the sound! It only does it when the car is running. Car is stock aside that it has no radio and the cd changer in the area that noise is coming from idk if its because a few wires that connect to the cd changer or what ever it is are unplugged but its coming from that area of the car its really high pitch and annoying.

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Golf IV R32 :: Loud Humming Sound Like The Brakes Are Rubbing

When I am in reverse sometimes the left rear makes a loud humming sound like the brakes are rubbing or something. What do you think this is???

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Golf IV / Jetta IV :: Loud Banging Sound When Go Over Bumps

So I replaced my rear coilovers on my gli assuming the driver side was broken because when over bumps it would make a loud banging sound as if it was bottoming out but after replacing them i have the same problem.

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Golf IV R32 :: Loud Whooshing Sound / Vibration After Intake Mod

Couple days ago I took out the factory air box and cut the bottom out. I also cleaned my K&N filter at the same time. I cut the whole bottom edge to edge up to about 2" from the flapper on the motor side of the box. Re-installed and everything is tight. I drove the car and noticed a LOUD or what I consider loud noise from about 3,000rpm to redline. I am thinking it could be just the additional air being sucked from the air box. However its much louder then I would expect from a CAI. Does a CAI make a loud difference? I noticed a increase in performance so I know its working. Also, it could be described a a light, smooth sounding exhaust leak. But I am susceptible since this problem was not their prior to the intake mod.

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Prius (Gen 3) :: Loud Rattling Sound From Engine At Start-up

I recently had my oil changed at Toyota dealership at 11,700 miles. Picked it up after 2 days and upon starting heard a very loud rattling sound from engine; as if it were going to drop right out of the car. Shut it off and re-started ok, but very concerned. No repeat of incident until this morning. Same sound at start-up (now at 12,600 miles). My daughter who was inside the house could hear the noise. I used the car the previous day, parked outside in driveway as usual. Now very very concerned.

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Ford Super Duty (1999-2016) :: Loud Spinning Sound When Driving Down The Road

I have a 2004 Ford f250 6.0. When driving it down the road i will hear a loud spinning sound, sorta like putting a playing card in your bicycle spokes. The sound can be heard until I make a complete stop where at that time the sound stops and a clunk can be felt. After that the truck sounds normal. This also only happens once between starting the truck and turning it off. I took it into the shop and they could not hear the sound, all they said is i need new ball joints.

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Golf/GTI VII :: Rapid And Loud Ticking Sound After 20,000 Mile Service

So I just brought my 2015 golf TDI in for its 20,000 standard service and then starting about 2 days later, every time I start the engine there is this rapid (and loud) ticking sound which goes on for 20 seconds or so before stopping. It almost sounds like it is coming from the passenger side speaker or under the passenger side dash. It sounds electronic in nature rather than mechanical but I'm not really sure.

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Golf IV / Jetta IV :: Vibration Accompanied With A Loud Droning Sound

So here is my situation, back in September I had to replace my passenger side cv axle on my 99' Mk IV Jetta and ever since then I have had a vibration whenever I exceed speeds over 70. This vibration is accompanied with a droning sound that gets louder the faster I go. But the weird part is all of this only happens when I am accelerating. If I push in the clutch or take my foot off of the accelerator it goes away immediately. Since all that started (for other reasons I might add) I have replaced the tires, both front ball joints, the driver side steering knuckle and both front struts.

Additionally and I'm not sure if this is related but it does seem coincidental. The muffler bumps on the body when I'm accelerating as well, but only after the exhaust has warmed up. I am at a loss. When the tires were installed they did a balance on the wheels and they didn't say anything about the wheels being bent or "out of round".

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Golf/GTI VI :: Loud Metallic Scraping Sound From Rear Brakes

I had a super loud metallic scraping and clanking noise when I was backing out of my driveway the other night. It was so loud I though my exhaust was dragging or something.

It turned out to be a rock trapped between the heat shield and rear brake disk. I pressed the heat shield away from the disk a bit and the rock fell out. It's kind of crazy that such a little rock caused such a loud sound.

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Golf IV / Jetta IV :: Loud Metal Scrapping Sound While Driving

Driving my golf to take daughter to airport, all or a sudden there is this very loud metal scrapping sound. So I pull over and see this metal bat hanging from under the car and rubbing on the ground. At this point I'm not sure what it is and cant really budge it or dislodge it.

Anyway called for roadside assistance and a towtruck comes. The guy lifts the car a bit and is able to free this metal rod. Its about 1.8m (6ft) long and about 5mm thick (approx). Couple of photos below. Not sure if its part of suspension, steering or something else. Did have a mobile mechanic today doing some work on the cooling system (flange) he had to jack up the car.

[URL] .....

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Lexus GS 2006-11 :: Noisy Engine - Loud Clicking Sound

I've been trying to get my dealer to take a look at my noisy engine. The loud clicking sound is getting really annoying. When at idle sitting at a red light, my car would click like my old - 1987 Toyota beater..

I brought it in 2 times to have the dealer check it out, but they would said its "normal" and that the high pressure injectors and fuel pump are loud on our 3GS.

So i was wondering to try using heat wrap to try to reduce the noise from the fuel pump. It seems like the fuel pump is making the most noise.

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Sonata I45 (YF - 2011+) :: Loud Ticking Sound From Engine When Idle

My 2011 2.0t has developed an odd ticking sound from the engine bay that is audible when idling. I haven't been able to pinpoint the source of the sound because once I drop the vehicle in Neutral it goes away although sometimes I do hear random ticks when I do this. The ticking sound is intermittent and sometimes I hear nothing.

In the video at 11 seconds the ticking starts. At 18 seconds it ends as I drop the car in neutral. What this sound could be? I'm going to try to hit the handbrake and check myself or have someone in the drivers seat while I go check but have yet to truly pinpoint the source of the noise.

[URL] ......

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Ford - Focus :: 2011 - Loud Humming Sound From Engine?

After I took my Ford Focus 2011 to the dealership for a free oil change I noticed a subtle, low hum coming from the car when I hit speeds past 40mph. At first it sounded like the engine of a louder car driving near me so it took me a couple days to realize that it was actually my car making the noise. I intended to bring the car right back to the dealership to complain about this but I kept getting preoccupied with my studies for my summer courses. It's been roughly 3 weeks now and the low hum has gotten a lot louder now and can be heard over music.

The noise begins when I approach 40mph. The noise is probably at its loudest at speeds of 40mph-70mph. The noise is made even when I am not stepping on the accelerator or using the breaks. I haven't tried putting the car in neutral at those speeds. What might be causing that noise? Although I don't really trust the dealership since my car seems to manifest a new problem after each visit.

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Ford F-150 (2009-2014) :: Loud Tapping Sound In The Engine

I bought a 2009 F-150 King Ranch a few months back. It has 125k miles on it and the only aftermarket thing on it is some larger tires. I love the truck but twice now (at two totally different driving instances) I have started hearing this bad sounding tap in the engine. The majority of the time it has ONLY been when I am in drive or reverse. I can especially hear it if I am going through a drive through. Anyways as I was backing into a parking space today it started making an even louder tapping sound. I recorded it and have provided the link to youtube..

It continued to make this terrible sound until I revved it slightly and then it went back to normal idle. This all started as I was in reverse backing up but this is the first time it has continued even into neutral. Really hoping for not terrible news on this. Ive read about the cam phaser issue and nothing has been done to those yet. It is the 5.4L and a 4x4. How to fix this and not have a clunker for a truck...

Here is the link to the youtube video of the truck running... it was too large to be uploaded on here : [URL] .....

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Golf IV / Jetta IV :: 2001 2.0L - Loud Rattling Sound When Started / Bad Alternator?

So im trying to diagnose my girlfriends issue with her car. When she starts it, the car will make a very loud rattling sound, not really grinding, but like metal on metal contact. Sometimes the sound goes away, but when the car is cold it is a guarantee. The battery light is also on, which was not the case when the rattle first started. I first thought (and hoped) it was perhaps the serpentine belt tensioner as I researched that when it fails it can make a loud rattle sound.

Once replaced, the same issues occurred. So I went ahead and put the old one back on since it was not the issue. Note that the old one and new one both shared the same tension applied to the belt and the pulley was still smooth without issues.

Using a stethoscope to try to determine the location of the rattle a bit more precisely I found the noise to be coming more from the alternator. Weird because I recently replaced it within the last year. I went ahead and removed the tension from the belt and played with the alternator for a bit. The clutch felt good when i used a screw driver to hold the fan and tried to move the pulley. One direction moved with ease while the other direction refused to budge, perfectly normal as I researched. The thing that I noticed that I thought was unusual was the fact that the shaft of the alternator had some play (Video below).

The belt has plenty of tension on it so i do not believe that it is slipping on the alternator. I push the belt with the tensioner engaged and the tensioner does not budge.

I decided to measure the voltage coming off the alternator with the car running and it was at 10.95 which im pretty sure is very low for these cars.

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Golf IV / Jetta IV :: 2002 GTI - Loud Whistling Sound On Cold Start

I am having an issue with my 2002 GTI 1.8T. I have tried searching for an answer to this, and found a couple things saying maybe it could be the secondary air pump but wanted to get more opinions before I go shell out money to chase this problem.

When I start up the car in the morning after having it sit overnight, the car does the normal thing where it increases rpm's to about 1100 to warm it up. During this a loud "whistling" noise can be heard. Once the car is warmed up a little bit, the rpm's decline to about 900, and the whistling sound goes away. When this happens though it almost sounds as if a valve or something is closing causing the noise to go away.

Also, I am unsure if this is related to this, sometimes when I am driving, I will be accelerating and the car seems to stop accelerating as strong as it was, boost goes down from around 8 or 9 psi to about 4 and I seem to lose power as if I had let off the gas some. When I put my foot further down the car accelerates harder again and boost goes back up.

I have already changed spark plugs, cleaned MAF sensor, and run the 3m 3 part engine cleaning kit through it.

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Golf IV R32 :: Loud Pop Noise (sound Of Blown Tire) When Driving At 70 Mph On Freeway

I was driving on the freeway(70mph), when a loud pop noise (sound of a blown tire.) Felt like a wheel bearing seized up then felt rough on the road. Got off the freeway and everything looked normal from the outside. No smell/smoke. While driving home on the back roads, i was hearing a rattle from the trunk area.

Lifted the car and noticed a little bit of fluid on the front of the differential. Didn't find any leaks or puddles. Took the fuse out for the haldex, and drove it around, still feels the same but still hear the rattle. Hoping its not the differential but haven't drained any fluid yet.

Ok, well never mind. brake system locked up on me.

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