Golf VI R :: Metal Clattering Noise In First And Second Gear From About 2K To Full Boost
Dec 1, 2013
Recently purchased a brand new 2013 R. With ZERO mods on it and 5,000 miles, I flashed the car to UM Stage 1. Immediately after flash I get a noise that sounds like a metal clattering in first and second gear from about 2K to full boost. Happens most audibly when the car is cold but is subtly ever present when heated up.
When the noise occurs I feel as if I'm getting half boost or a very inconsistent boost curve. The boost then kicks in after the 3,500k(ish) threshold. On rare occasions, the car will warm up and run exactly as I would expect it too. 1st, 2nd, 3rd all boost very evenly and strong from 0k and beyond with no noise and the car is amazing to drive.
To try and diagnose the issue, I flashed it back to stock and the noise disappears though I can still feel it not boosting consistently. I took it to the dealer (stock) and they said the didn't notice or couldn't hear anything which was what I expected. I'm guessing it is something the with wastegate but I don't know enough to say with any confidence.
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Ever since day 1, I noticed my wife's 2011 TDI/DSG make clattering/rattling noise during low gear changes (1st to 2nd and 2nd to 3rd gear), it sounded like a diesel engine's clattering/clicking but a little louder at gear changes. I mentioned it to the dealer at 3month/3k checkup and they test drove and say it's normal. Is it really normal?
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Sometimes while driving if i accelerate the car fully the rpms will accelerate way to fast (at least 2x faster than usual) without picking up much speed at all. I can tell that the car is not going to full boost. The problem is the worst in 5th and 6th gear (when the car is relying more on boost im guessing?) and will happen one day and be perfectly fine the next. I just had the car checked for a boost leak about 3 weeks ago so i dont think its that. The car is chipped with uni stage 1+ (20psi) and has a full 3 inch turboback.
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I am running the GIAC X+ 93 octane tune with a cold air intake and when i hit full boost it fluctuates from 20 to 15 through out the gear. i am guessing its because of my stock dv. im looking in buying the eurojet dv.
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My R is vibrating in second gear near full or full throttle around 2,000 Rpm. It feels like a high frequency vibration. It seems to be only happening in that scenario. It's when the turbo spools up and there is a large rush of exhaust gas produced very quickly. My guess is that my apr downpipe paired to the stock cat back is the culprit. It didn't happen when I first put the downpipe on, but after the next track day it started. I don't know if there is anything to burn in inside the apr downpipe but it got louder too. Could it be back pressure from the stock cat back? It's very strange and I wondered if it is stage 2+ but running the stock cat back has felt this? I checked to see if the drive shaft was rubbing on anything and for any other visual indicators of rubbing around the downpipe and I see nothing. Perhaps it's the stock muffler. I'm just not sure.
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I just replaced my my k03s with another one with only 20k on it. After I did this, I noticed a loud screech sound when in WOT. The screech lasts a little bit after i left off the gas when revving in neutral. I've been doing research on here, and I've read that it could be a boost leak somewhere or even the turbo dying. The shaft play is minimal though.
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I have a stage 2 2002 GTI with 135k & I'm having an issue once in a while where if I go WOT the car will only boost up to about 5 (around there, don't remember) psi but if I let go and accelerate again, it'll boost normally again.
No lights or CEL comes on when it happens though. I tried searching for any info but not sure what direction to look at. I have a stock K03S, Forge DV, 3" Turboback, Short Ram Intake, FMIC. Bad N75 or DV?
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Ever since I got my car about 5/6 months ago I noticed it's not getting full boost. when I first got it the stock boost was getting about 5-7 I don't know if that's normal I've read they normally get more. eventually I got my car tuned and it's supposed to peak at 22 psi but it only got to about 13-14 psi. slowly it's been getting worse and my car is getting 2 psi. I've had lots of people tell me it's a vacuum leak. also the bov makes a flutter noise if that has anything to do with it. my intake doesn't make a sucking in noise like most do. The car has been randomly backfiring usually between gears. I just ordered a turbo inlet pipe a breather hose kit and a boost hose kit.
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I installed a VF intake a few weeks back and noticed my car is peaking at around 14-15 PSI max according to my boost gauge, when it used to hit 17 peak. I'm not sure if I may have a leak nor have I checked it via vag-com.
It does feel a bit off, but for as far as I know the gauge could be messed up now.
Just wondering if there would be any immediate signs (sounds etc...) of whether there would be a leak, or what other problems may cause this.
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Ok here is my question. I've noticed the power on my car has felt inconsistant for the last little while. I finally got around to logging the car and my boost peaks at mid 20's just over 3000 RPM and then drops fast to between 13-15 psi before I even get to 5000 RPM.
Under full boost I hear a low fluttering sound like the diverter valve opening and closing when this is happening. I also don't get the typical diverter valve sound when shifting when the car is doing this.
I took my diverter valve out and inspected it. I can pushing the piston up very easily with almost no resistance, is that normal? I would think that it should be hard to push the piston up if not wouldn't boost pressure be able to overcome the piston and leak past?
My mods are. HPA tune, HPA catted down pipe, and VWR intake.
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For the past few months, pretty consistently, whenever I engage the clutch from full stop into first gear (it does it when starting in second gear too; and reverse) there is a pretty obnoxious and loud screeching noise that I would liken to a subway/train braking or just metal on metal grinding situation. When I took the car in to Douglas for an oil change and APR Stg 1 flash, they told me it's just the brakes being cold, etc. After driving the car some more, I really doubt that it's the brakes and I can reproduce this regularly by slowly releasing the clutch and get the noise usually just before the gear engages.
That car has just over 16K on the clock and has never been abused. The clutch pedal feels fine and there is no issue shifting into any of the gears other than the noise. No mods other than the APR Stage 1.
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The car is an 02 gti. I am having problems at full boost(17 psi) where the car starts to stutter, backfire, and eventually drops to 5 psi. Throttle up to 15 psi is always smooth and there is no hesitation or misfires. It's chipped but I am unaware of which software as it was already on the car when purchased.
What I've done:
Checked for any leaks - none
Cleaned maf
Replaced plugs(0.028) and coils which was needed anyways
Coil harnesses look good
Fuel filter changed
I've read about the n75 but I am not experiencing any surge issues that many have described. I do believe the car is running a little rich because I can smell some fumes but it is very light. Car fires up just fine and idles smoothly.
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I am having several issues. I got the lexus dealership to service my transmission recently. I got it back with a weird smell. It smells like body odor. I had to reach out to hendrick corporate for them to address the problem without charging me. Turns out it was the fluid they used. I could smell the smell from inside if i wasn't recirculating the air. They changed the fluid again and it still smells. Is my transmission doing this because it is too hot?
This smell was never an issue until after the first transmission service. And now I'm hearing a metal grinding sound in 2nd gear past 4600 rpm. It still shifts smooth but 2nd gear might be slipping. Something just doesn't seem right. o yea they gave me my car back with my brakes sticking after stopping in traffic. I took it back and was told my brake pads in the rear lost 2mm in less than 650 miles.
By the way this sound can be heard in 1st but is more prevalent in 2nd. It is not heard in any other gears. And when in sport mode the sound instantly stops when i shift up into 3rd.
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I have the eip street series catback- that is it for exhaust mods.
Every time (when car is cold) I start out in 1st, just after I release the clutch (1100 rpms or so) I hear a slight metal rattling noise for a second or two. It sounds as if it is coming from near the cats. And the noise disappears after the car warms up.
What it could be? Is there a heat shield above the cats that might rattle?
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yesterday got the car tuned. Stage 2 APR, it's a 1.8T 5 speed and I only have 2 real issues with the tune.
1. They forgot left foot braking(I think I can call APR to have this sorted)
2. When accelerating hard and shifting a gear, no matter how you try it will not hold boost through a gear changed. Turning off ASR improves this greatly but it still purges pressure and as a result the car falls flat on its face. Then it spoils up and same thing in the next gear. Trying to hold wide open throttle through a gear change does not work as I believe it feels like the pressure plate isn't able to engage fast enough. It is a full on loud pshhhh purge could a possibly higher PSI Diverter Valve fix this.
No other APR car I've driven does this (given they were MkV and MkVI). I'm not quite sure what is different with the motor unless the stock Diverter is strictly for economy and as soon as you don't need boost it purges? Not really sure
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2003, Jetta 1.8t, 5 speed, 76,500 miles ... The other day I was driving and all of a sudden I had a hesitation in 3rd gear. I have relized since that this hesitation occurs in 3rd 4th and 5th gear, but not 1st or 2nd. I am going to change the spark plugs tomorrow in hope to fix this problem. The hesitation occurs whenever you get into the gas and begin to accelerate(typically around 3000RPM and up). There are no dash lights on at all and the cars is running fine besides the hesitation.
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I just noticed yesterday when the turbo starts to spool up I'm hearing a whining sound as it hits boost. It happens in every gear and under all load conditions, from when I'm cursing around to WOT. I've had Stage 3 installed for a little over 20,000 miles now and this is the first issue I've had. It still pulls just as hard and I'm not throwing any codes, but it is a weird sound I've never heard before.
It also doesn't matter if the car is hot or cold, the sound is still there. I'm not blowing any kind of smoke or burning any oil. What can cause something like that?
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I commute 180 miles a day, 6 days a week. I noticed metal on metal grinding noise(more noticeable) at high speed above 75mph especially on asphalt road. I'm sure noise is there at low speed but not enough to notice. My car has 50,000 miles. Tires? Electric motor?
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I got some coilovers installed last night, they are ksports. i have them on fairly low height as of now but i have noticed every time I hit bumps, I hear a kthunk (metal hitting metal noise) from my front driver side. is it from the coilover nuts itself or something wrong with my control arm? the sound ONLY comes from the front DRIVER side.
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What we have is a 2011 F-350 with the ambulance package (obviously) and it has started making a very annoying sound from the front end. It has been into two different Ford Dealerships and they have not been able to remedy this issue. What happens is, when we are backing and turning, the front end makes a bad metal on metal grinding noise. When going straight down the road no issue just turning while backing. I know this is an ambulance and has the ambulance package but I think from the cab forward should just be all ford right?
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I recently worked on a 2006 with 140K miles that presented with the following symptoms:
The hybrid battery was at 1 bar; the ICE would not start; the car was in Ready, but there were no codes. As I let it roll off the flatbed wrecker in Neutral, it felt lumpy. If you have ever pushed a car (or run out of gas in one) with a manual transmission that was in a high gear, engine off, it felt just like that.
I popped the hood and could see that the engine crank was turning while the car was being pushed in Neutral. What else turns with the wheels? MG2, or more specifically, the MG2 ring gear. What is the only way that the wheels could turn the ICE crank? The planetary carrier pinions were locked to the ring gear.
Surprisingly, while I was looking at things, it did manage to start the ICE pushing it around must have freed the carrier pinions, so I let it charge the hybrid battery. It was basically the worst metal-to-metal noise that I have ever heard! I pulled the drain plug and saw about a teaspoonful of large metal chips on the magnet. The fluid condition itself was very good, not the black factory fill that I am used to seeing come out.
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