Rushing air sound under normal acceleration

[JerEazy]

‘17 EL with 3.5

Under normal acceleration I hear this rushing air sound in the cabin. Almost like a road noise kind of sound, but predictable with acceleration. And happens regardless of speed.

If I push the pedal down 1/2, 3/4 or floor it, no sound. Lightly press no sound. In neutral also no sound.

A few searches say MAYBE the wastegate is leaking letting air out. But, being I’ve never driven another EcoBoost I have no comparison. So, I figured I would toss it out and check with the experts!

Thanks!

 

[Adieu]

The "whoosh"? My 5.4 SSV did that

Idk, either dented exhaust (cause that's definitely dented on that truck) or Expy lacking sound insulation... Gator 5.4 doesn't do it, at least not audibly from cabin

 

[JerEazy]

I don’t think a dented exhaust would be the issue in this case.

It’s tough to describe the sound. Like making an “O” with your mouth and exhaling hard hahaha

 

[Adieu]

Oh yeah remembered something now...

Replacing a heater hose with a near-negligible pinhole leak, new thermostat, and coolant backflush seemed to help a bunch I think?

 

[JerEazy]

I have an appointment at the stealership on Thursday. I just don’t want to make a thing about it with them if that’s normal for the 3.5tt

 

[Trainmaster]

They should listen to it accelerate up in the air on a life. Could be an exhaust leak.

 

[JerEazy]

I agree. But it doesn’t make the sound (that I can hear) if I have the engine in neutral.

 

[Adieu]

Crap seals?

Do you hear it going downhill without pressing the gas pedal?

 

[JerEazy]

Not sure - not a ton of hills here in Southwest Florida! Haha

But there’s a steep overpass nearby I can give a run at tomorrow.

 

[Muddy Bean]

If it’s making the woosh noise and then kind of slaps shut and stops making the noise it’s definitely something in your turbo/gasket/wastegate. Mine made this noise until all were replaced and it doesn’t now.


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