Service Repair

Ford Vehicles May Whine at Low Speeds

Oct. 26, 2020

Some 2020 Ford F-150/Mustang/Ranger vehicles equipped with a 10R80 transmission and built on Oct. 21, 2019, and through Dec. 16, 2019, may exhibit a high-pitched whine noise coming from the transmission at low speeds during light acceleration or coasting.

Information courtesy of Mitchell 1

Mike Mavrigian

This may be due to the outer output shaft bearing.

To correct the condition, follow the service manual procedure to replace the transmission inner output shaft bearing, fluid passage sleeve and outer output shaft bearing.

About the Author

Information courtesy of Mitchell 1

Information for Technical Service Bulletins comes from ProDemand, Mitchell 1's auto repair information software for domestic and import vehicles. Headquartered in San Diego, Mitchell 1 has provided quality repair information solutions to the automotive industry since 1918.

About the Author

Mike Mavrigian | Motor Age Editor

Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety of specialties, from engine building to wheel alignment, and has authored more than a dozen books that crisscross the automotive spectrum. Mike operates Birchwood Automotive, an Ohio shop that builds custom engines and performs vintage vehicle restorations. The shop also features a professional photo studio to document projects and to create images for articles and books.