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Old 03-02-2015, 12:13 AM   #1
gemortar
Scooby Newbie
 
Member#: 388739
Join Date: Apr 2014
Chapter/Region: SCIC
Location: West LA
Vehicle:
14 STi
SWP

Default Strange noise at speed

Hi all,

I currently have a '14 STi hatch (with COBB AP stage1) and finished a long trip over the weekend. I'm trying to figure out if anyone else has this issue and an idea of what might be causing it.

At approximately 80mph (in 6th gear) when I press the accelerator (around 5-10%) a strange humming noise appears to be coming from the driver side. If I push the accelerator beyond 10-20% it goes away immediately. I played with this quite a while trying to accelerate and what not but holding steady speed with minimal throttle kept the noise going consistently.

The noise also kinda comes up here and there when decelerating through 85mph to 80mph or so around where I would be pressing the gas just a little.

Just to note, the sound immediately disappears with extra acceleration and going faster than right at 80mph doesn't make the noise.

I've tried searching and didn't really find much so any help is appreciated!
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Old 03-02-2015, 12:50 PM   #2
Terryv
Scooby Newbie
 
Member#: 367525
Join Date: Sep 2013
Default

can you identify what area of the car its coming from?

make sure you clean you car of everything before you hunt for strange noises
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Old 03-02-2015, 12:53 PM   #3
Gallo2011
Scooby Guru
 
Member#: 268310
Join Date: Dec 2010
Chapter/Region: SCIC
Location: So Kali
Vehicle:
2011 SSM STI saloon
Church!

Default

The noise only occurs in 6th gear? How about 80 mph in 5th gear?

On certain grooved highways I hear some tire thrum but the noise is not speed dependent like yours appears to be.

Any chance you can create a video of the sound?
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