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Old 09-12-2017, 07:43 PM   #1
Mk6Sam
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Rattle on Deceleration

I'm getting a metallic rattle noise when decelerating, mostly at lower RPM. I installed the wastegate rattle clip already and it fixed the rattle on acceleration but this is still present on decel.

Wasn't sure if it was exhaust related or my wastegate has just gone to shit on my turbo....

Any input is greatly appreciated.

Take a look here: https://youtu.be/HXDaDivGdp0
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Old 09-12-2017, 07:53 PM   #2
HYDE16
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That sounds like an exhaust leak brosef
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Old 09-12-2017, 10:02 PM   #3
Carlosfandango
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That sounds like an exhaust leak brosef


Yes it does.


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Old 10-18-2017, 12:11 PM   #4
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Did you manage to resolve this? I am having the same sound as well
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Old 10-18-2017, 01:33 PM   #5
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This sounds similar to mine, but mine is on acceleration. I still don't know what it could be, but could it also be an exhaust leak too?
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Old 10-18-2017, 02:43 PM   #6
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The problem is the waste gate rattles. Its a very known issue and to combat the problem VW sells a waste gate clip.

Video: https://www.youtube.com/watch?v=FvHeXQh2Fts

I had the exact same noise and installing the clip fixed it.

VW wants $50 for a piece of metal to fix their own shitty design. Thankfully good o'l ebay sells it for $7. I bought mine from ebay and it fixed the rattling sound. Link below:

https://www.ebay.com/itm/06J145220A-...pXqC8V&vxp=mtr
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Old 10-18-2017, 03:44 PM   #7
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Quote:
Originally Posted by Dans GTI View Post
The problem is the waste gate rattles. Its a very known issue and to combat the problem VW sells a waste gate clip.

Video: https://www.youtube.com/watch?v=FvHeXQh2Fts

I had the exact same noise and installing the clip fixed it.

VW wants $50 for a piece of metal to fix their own shitty design. Thankfully good o'l ebay sells it for $7. I bought mine from ebay and it fixed the rattling sound. Link below:

https://www.ebay.com/itm/06J145220A-...pXqC8V&vxp=mtr


The OP states in their original post that they already installed the waste gate clip, the only sound I can hear in the video is a leaking exhaust!


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Old 10-18-2017, 04:59 PM   #8
Dans GTI
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Does not sound like a exhaust leak to me. Is the clip installed correctly? Maybe it could've fallen off.
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Old 10-18-2017, 05:06 PM   #9
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Can you narrow down where itís coming from first? Front end, middle, rear...if someone else has heard this before on their own car then go with that but see how close you can get yourself before you buy anything.
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Old 10-18-2017, 07:50 PM   #10
jysaw
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Quote:
Originally Posted by Dans GTI View Post
The problem is the waste gate rattles. Its a very known issue and to combat the problem VW sells a waste gate clip.

Video: https://www.youtube.com/watch?v=FvHeXQh2Fts

I had the exact same noise and installing the clip fixed it.

VW wants $50 for a piece of metal to fix their own shitty design. Thankfully good o'l ebay sells it for $7. I bought mine from ebay and it fixed the rattling sound. Link below:

https://www.ebay.com/itm/06J145220A-...pXqC8V&vxp=mtr
Does the rattle cause any performance issues? Or itís just the sound?
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Old 10-19-2017, 02:06 PM   #11
Mk6Sam
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Quote:
Originally Posted by jysaw View Post
Did you manage to resolve this? I am having the same sound as well
I have not yet. But I did replace the downpipe gasket and also found my o2 sensor wasn't tightened all the way.

The above helped a little bit, but still getting a rattle on decel.

I did see black soot on the catback where it mates to the downpipe. Will probably try to readjust the clamp this weekend and see if that's the fix.
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Old 10-19-2017, 02:07 PM   #12
Mk6Sam
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Quote:
Originally Posted by Dans GTI View Post
Does not sound like a exhaust leak to me. Is the clip installed correctly? Maybe it could've fallen off.
The clip installed did help with the rattle on acceleration. Still on there last time I looked under the car.
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Old 10-19-2017, 02:08 PM   #13
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Originally Posted by Mk6Sam View Post
I have not yet. But I did replace the downpipe gasket and also found my o2 sensor wasn't tightened all the way.

The above helped a little bit, but still getting a rattle on decel.

I did see black soot on the catback where it mates to the downpipe. Will probably take a look at it this weekend and try to see if that's the fix.


The soot would certainly indicate a leak!


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Old 10-19-2017, 02:08 PM   #14
Mk6Sam
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Quote:
Originally Posted by notovicrious View Post
Can you narrow down where it’s coming from first? Front end, middle, rear...if someone else has heard this before on their own car then go with that but see how close you can get yourself before you buy anything.
Thought it was the downpipe, replaced that gasket with no luck.

Taking a look where the catback meets the downpipe this weekend.
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