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2015 F-Super Duty / 2016 Econoline – TorqShift6 – High Pitch Whine Or Chirping Noise At Or Below 32 Km/h (20 MPH) – Built On 4/1/2015 And Through 5/1/2015
2015 F-Super Duty and 2016 Econoline vehicles equipped with a TorqShift6 transmission and built on 4/1/2015 and through 5/1/2015 can exhibit a high pitched whine or chirping noise audible at 32 Km/h (20 MPH) or below.
This noise follows output shaft speed, can be heard in both drive and coast conditions and does not change pitch during upshifts.
This concern may be due to the output shaft bearings. Replace both output shaft bearings (Base 7A415).
