Two problems related to driveshaft have been reported for the 1999 Ford F-550. The most recently reported issues are listed below.
While driving vehicle on highway all of a sudden clutch went out. Consumer has taken vehicle into dealer almost every 20ooo miles. Contacted dealer, and dealer was not willing to do anything. The vehicle had electrical problems. The cruise control goes off while driving for no reason. The bolts sheered off from the drive shaft. The air bag deployed while driving at 65 mph, injuring the consumers son, also consumer states emergency brake was on recall, however did not specify if repairs had been done.
Stabilizer bar has broken 8 times . Ford has mentioned there was an engineering problem, but was not offering to do anything for consumer. They were just replacing part. They had not tried to find a permenant solution. The drive shaft makes noise while driving.