One problem related to automatic transmission torque converter has been reported for the 1999 Ford F-150. The most recently reported issues are listed below.
When stepping on the accelerator pedal the vehicle jerks, until consumer is traveling over 50 mph. Vehicle has been serviced for this problem three times. Dealer replaced the torque converter clutch, which made the problem worse. The manufacturer is aware of this problem, but stated that there is no solution to this problem atthis time.