Owners of late model Ford Mustangs equipped with the Tremec 3650 transmission were/are no strangers to the effort-laden issues as is found in cool or cold weather. Now, owners of the 2011 Mustang and the 2012 Mustang equipped with the MT82 6-speed manual transmission are experiencing similar symptoms. Don’t fret, though–Ford has already addressed the issue and released an official Technical Service Bulletin (TSB) to provide a solution. When an owner of a Mustang equipped with the MT82 6-speed experiences laborious shifting during warm-up, Ford’s recommendation is to replace the Motorcraft full synthetic manual transmission fluid (factory-filled) in the car with Motorcraft Dual Clutch transmission fluid; one with such a viscosity suitable for all temperatures and conditions.
Keep reading to see the official TSB from Ford!