Four problems related to transmission failure 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.
2011 Mustang gt 6 speed transmission failure to go into 2nd gear. Generaly happens during sharp left turn. I cannot even force it into 2nd. Doesn't always happen but enough to frustrait the hell out me. I'm 62 years old and have driven any number of manual transmissions I don't understand what the problem is. It's a great car other than this.
2011 Mustang gt with manual transmission. Transmission failure. Car will not shift into any gear. I have been told it could take over a month to get the parts in because they are coming from europe.
Mt 82 6 speed transmission failed to down shift properly creating a near miss situation due to driver not being able to select lower gear to power up to exceed or at least match the speed of on coming vehicle. The on coming vehicle was a semi traveling 55 mph in 55 mph posted speed zone. Had the vehicle performed properly sufficient speed would have been achieved as to not impede the progress of the approaching semi. A reasonable and acceptable amount of distance was present prior to pulling out into traffic. Dealer was advised and performed a change of fluid to a duel clutch fluid which and I installed an aftermarket shifter (mgw shifter) which made a slight improvement. I still believe a design issue exists. Placement into gear is often difficult and up shifting is not smooth as it should be. This transmission has done this on multiple occasions. I am not sure how many complaints there have been but this transmission defect in the 2011 Mustang is common knowledge among Mustang web sites and forums. The general feeling is Ford has not been as aggressive as they should be to find a solution for this issue.
6 speed manual transmission fails to shift or shift smoothly into 2nd gear causing a safety situation in attempting to pull out in traffic. Went to pull out in traffic and could not shift into 2nd, traffic was bearing down and I had to quickly shift to third. Problem started when car had about 1000 miles on it. Car was checked out by a Ford dealer and I was told it was normal and nothing could be done. Upon investigation I found that this is a widespread issue across hundreds if not thousands of Ford 2011 Ford Mustangs with a 6 speed manual trans. Transmission exhibits extreme notchiness and grinding/clanking when attempting to shift into 2nd. Whats strange is that it is intermittent in nature and did not happen when new.