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Spot on. I am sure this is what is causing my noise!! Great find!!!
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Hello
I've had this problem since buying my Audi S3 Saloon S-Tronic this year. It's a brand new car with about 2000 miles.
The rasping / rattling turbo waste gate has been acknowledged by 2 Audi centres and I've also had 2 Audi technicians sit in the car with me and comment on the noise. I've complained no end to Audi, and basically they don't give a s**t that this is annoying customers. This is part of a message they sent to me after about 3 letters of compliant:
"Having discussed the technical bulletin with our Technical Support Team, I can confirm that the waste-gate flap and rods on the
turbo charger start to vibrate due to exhaust gas pulsations. These vibrations cause the noises. The function of the boost
pressure control is not affected. The vibration related noise is normal and operational. It is within the tolerance and not
detrimental to the vehicle’s performance. Our Technical Support Team has confirmed that currently there is no plan for any
production change regarding this.
I can confirm that neither of the Audi Centres has found any fault or manufacturing defect on your vehicle. They have concluded
that your vehicle is working as normal. Hence, no further investigation is required on this matter."
An absolutely appalling response from Audi customer service to another dissatisfied Audi customer. This rattling problem exists and is causing distress and displeasure to those who have the issue, therefore Audi should spend a penny and design a simple fix for it!
Not happy. Will be progressing my claim further.
Report The Rattle ...... just search the forum for "RTR"
Thanks will try but I am perfection freak so I know I will listen out for it all the time even when trying not too just to make sure it's no worse.
So I have a 2016 S3 with 900 miles, and I'm starting to hear this as well....I think. I can't hear it with the windows up, but when they are down and I am driving through a neighborhood at low speeds I hear a "rattle". It's much easier to hear with the windows down, and especially when I pass a parked car and the sound echos off of it. Around 2000 RPM, it does sound like a ball bearing rolling in a glass jar?!? Is this "rattle" what I'm hearing?
[/QUOTE]I too have this problem and how far have you got to sorting it out?
QUOTE="Pilotsniper, post: 2488870, member: 104586"]Hello
I've had this problem since buying my Audi S3 Saloon S-Tronic this year. It's a brand new car with about 2000 miles.
The rasping / rattling turbo waste gate has been acknowledged by 2 Audi centres and I've also had 2 Audi technicians sit in the car with me and comment on the noise. I've complained no end to Audi, and basically they don't give a s**t that this is annoying customers. This is part of a message they sent to me after about 3 letters of compliant:
"Having discussed the technical bulletin with our Technical Support Team, I can confirm that the waste-gate flap and rods on the
turbo charger start to vibrate due to exhaust gas pulsations. These vibrations cause the noises. The function of the boost
pressure control is not affected. The vibration related noise is normal and operational. It is within the tolerance and not
detrimental to the vehicle’s performance. Our Technical Support Team has confirmed that currently there is no plan for any
production change regarding this.
I can confirm that neither of the Audi Centres has found any fault or manufacturing defect on your vehicle. They have concluded
that your vehicle is working as normal. Hence, no further investigation is required on this matter."
An absolutely appalling response from Audi customer service to another dissatisfied Audi customer. This rattling problem exists and is causing distress and displeasure to those who have the issue, therefore Audi should spend a penny and design a simple fix for it!
Not happy. Will be progressing my claim further.
Hi guys,
i am also having a rattling sound on low rpms and especially over small bumps on my 2015 S3...i am not sure if it's the same rattle you are all talking about. This is a clip taking with my cellphone outside the drivers window. Is that it?
And they'll quite rightly refuse to give you your car back. Which of you do you think will be inconvenienced more? This has been going on for three years, there isn't a resolution they can offer you.65 reg s3 and guess what, I have the tinny metallic rustle at low rpm, will be reporting to audi UK asap
If a resolution is not offered I'll be dropping my vehicle at Sheffield Audi and refusing to pay until the problem is resolved
I had the same issue on my 8p A3 a couple of years back..One of the fix's they attempted was to fit a metal clip on the actuator rod.Apparently it,s a common fault on all the VAG turbo'd cars?...After this so called fix the techie. took it for a test drive and noticed it hadn't cured the problem.They replaced the turbo under warranty.Upon inspection of the removed turbo the mechanic told me that the waste gate hinge was worn..I have this on my A5 2.0 tfsi 230ps (2016 and only 800 miles to date)
More noticeable on a cold engine when I reverse up my drive with the window down. As it's slightly up hill it does apply a little bit of extra load.
I can also induce it if I try and do the same but leave the parking brake applied.
Popped the bonnet today and got my 15 year old son to listen and he pointed straight at the actuator rod. He said as soon as he saw the actuator move it started to rattle.
I was suprised that these actuators appear to be motorised rather than the traditional vacum/boost diaphragm type.
When cold (to avoid burning fingers) you can actually pull it in/out to open and close the waste gate.
Although obviously access on the A5 longitudinal engine is a lot easier.
I'm wondering if a bit more actuator rod pre-load may help on the adjuster as that's the old school way to nip up a bit more boost.