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High pitched sound during the turbo spool after unitronic intake install?

S

shadax

Passed Driver's Ed
I had a guy at my local shop install the Unitronic CAI for me, and it all looks just how it should be, and it sounds awesome, but there's a noise that sounds not good.

Example of it in this video:

https://www.youtube.com/watch?v=2bS82-2aLhs

What could it be?

Edit: Forgot to mention. I also have the APR Stage 1 tune.
 
Last edited:
shdwblugti

shdwblugti

Go Kart Champion
Dat flute mod
 
CarniifeX

CarniifeX

Go Kart Champion
Had this noise too, mainly why I traded it for APR.

From what I know, you'll need a diverter valve relocation kit.
 
CarniifeX

CarniifeX

Go Kart Champion
I have a revision D diverter valve and it was still present. Not sure even the GFB DV+ would fix it.
 
S

shadax

Passed Driver's Ed
Dave1078 said:
It's the diverter valve. You can either:

1. Live with it
2. Install a GFB DV+
3. Install the DV Relocation kit
4. Take your chances on a stock rev D DV
Click to expand...

aye...

Man I did not anticipate this for some reason despite doing what I thought was enough research.

I unfortunately am not familiar with anything you just said as I'm only basic in my auto knowledge

What's the most practical way to go about it? Option 1 is not an option for me here.

Thanks for your help by the way.

edit:

Is this what I need?

http://www.moddedeuros.com/products/go-fast-bits-dv-diverter-valve-2-0t-fsi-tsi-engines
 
Last edited:
jay745

jay745

What Would Glenn Danzig Do
Dave1078 said:
It's the diverter valve. You can either:

1. Live with it
2. Install a GFB DV+
3. Install the DV Relocation kit
4. Take your chances on a stock rev D DV
Click to expand...

this.

been beaten to a dead horse on other threads.
shadax said:
aye...

Man I did not anticipate this for some reason despite doing what I thought was enough research.

I unfortunately am not familiar with anything you just said as I'm only basic in my auto knowledge

What's the most practical way to go about it? Option 1 is not an option for me here.

Thanks for your help by the way.
Click to expand...

get the go fast bits dv+, fairly cheap, easy to install, solves the problem plus holds boost better than oem rev d

/thread
 
S

shadax

Passed Driver's Ed
jay745 said:
this.

been beaten to a dead horse on other threads.


get the go fast bits dv+, fairly cheap, easy to install, solves the problem plus holds boost better than oem rev d

/thread
Click to expand...

My search-fu failed me, and I hate asking questions because I know I'm never the first.

Thanks for the help.
 
S

SRoads

Ready to race!
Try moving the filter back and forth on the intake tube. It is a harmonic, the Mk5 did it all the time with the filter on a stick design.
 
L

lilfleck

Go Kart Champion
Dave1078 said:
It's the diverter valve. You can either:

1. Live with it
2. Install a GFB DV+
3. Install the DV Relocation kit
4. Take your chances on a stock rev D DV
Click to expand...

Exactly.



I did #2 and it solved the noise issue. The Rev D DV is cheaper and I am fairly certain that solves the issue.
 
Gti207

Gti207

Ready to race!
So does this noise signify a problem?!
 
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