What the heck is this noise

[mattcsn]

Was just driving and decided to gun it a little and randomly started hearing this. Anyone have any idea what it is?

I was running a log during that video

https://s.amsu.ng/Z7TWFxj8hm7Nhttp://cloud.tapatalk.com/s/5c214063e43e0/20181224_151801.mp4

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[mattcsn]

Videohttp://cloud.tapatalk.com/s/5c214426247f9/20181224_151801.mp4

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[mattcsn]

Videohttp://cloud.tapatalk.com/s/5c214426247f9/20181224_151801.mp4

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Forgot to mention it just started doing this and only on a hard pull otherwise it runs fine.

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Edit: found the vacuum line to the wastegate blown off. What exactly does that do. I suspect when that's off it can get too much boost?

 

[Ttype6]

I suspect when that's off it can get too much boost?

Correct.

 

[mattcsn]

Nice, so that's the sound of my engine getting f@cked up. Definitely zip tied that down now so it doesn't happen again.

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[Ttype6]

Nice, so that's the sound of my engine getting f@cked up. Definitely zip tied that down now so it doesn't happen again.

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Does it still make the noise after putting the hose back on.

 

[mattcsn]

Nope! I just posted this prematurely I suppose as I found it off, put it back on and it stopped. I was surprised it wasn't showing knock though so checked the sensor as well. It was unplugged so probably why it wasn't registering.

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[earlbrown]

found the vacuum line to the wastegate blown off. What exactly does that do?

It keeps your engine from blowing itself apart.

Replace it with a new line and zip tie all the ends (while you still have the option)