Had this constant high pitched whine, & finally had some days off to let the dealership figure it out. After 3 days it turns out to be a transmission oil cooler line vibrating off of the heat shield. Said they adjusted the "spacing" B/W the 2 & put some "felt" on the transmission line. End result is no more whine. While I was there they also gave me a software update for the transmission to correct the hesitation I was feeling during my last "enthusiast" day of driving around Starved Rock IL. Feels & sounds soooo good again. LOVE that top down V8 sound.
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