I'll be interested in what your mechanic tells you. The tech at my dealer did say it's a normal turbo sound, but I'm thinking it wasn't always there and started recently.
It's a '15. I have done an inspection and there's nothing obviously loose or disconnected. Dealer tech says it's a normal turbo sound but I'm incredulous...
My 2015 expedition (3.5 TT) has developed an odd vacuum leak kind of sound that seems to be coming from the area behind the glove compartment.
If I baby the accelerator it doesn't happen, but if I give it any substantial amount of gas I'll hear a sucking sound that dies out after approximately...
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