Originally Posted by re-rx7
My car has the supercharger whine in 1-4th. Taking it in sometime this wk.
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Your transmission could be toast.
My 2011 5.0 with MT82 had the whine in 1-4 too. The input shaft bearing and race was going bad and eating itself, therefore spinning that metal through the transmission and slowly eating everything else within. Ford replaced my entire transmission with a new one at 20k miles.
If you have plenty of miles left under warranty, you may be better off waiting longer until it gets worse, if you get my drift...
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