Three problems related to transmission noise have been reported for the 2011 Ford Mustang. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2011 Ford Mustang based on all problems reported for the 2011 Mustang.
I was traveling on a major highway at the speed limit (75 mph in this area of texas) and had just changed lanes when the car would not go, I kept pushing the accelerator and the car would not go. Fortunately, I was able to coast off the highway and was able to go up an off ramp and pull off the shoulder of the road. The Mustang started to make a noise and shuttered, so I turned off the engine being afraid that the engine would be damaged. I was able to start the car again and was able to pull into a parking lot and call for help. The engine started to shutter again and the accelerator would not work. Also, luckily a Ford dealership was with a mile so I was able to drive to it and was told it was a stuck throttle body and charged a deductable for a defective part that Ford should have had a recall on a long time ago. I could have been hit from behind while on the busy highway and injured or killed. Also my transmission fills very "jerky" at times when slowing down or after stopping and starting again from a red light or stop sign. I am very glad that my Mustang is still under warranty.
The contact owns a 2011 Ford Mustang gt. While driving 25 mph,the contact stated that the vehicle made a loud noise and stalled. The dealer diagnosed that the vehicle would need a new transmission. The vehicle was repaired; however, the failure recurred. The manufacturer denied any assistance after the failure recurred. The failure mileage was 4,000 and the current mileage was 4,500.
Transmission in my 2011 Ford Mustang gt 6-speed manual, (presently @ 4900 miles)has issues of trying to enter second gear on various occasions. As well as a terrible whining noise started around late 3000miles.