Noises During Shifting problems of the 2016 Ford Explorer

Tl the contact owns a 2016 Ford Explorer. The contact stated that while driving, the vehicle surged between gears and decelerated before operating as designed. The contact also stated that after the vehicle reversed out of the driveway and shifted into drive, an abnormal clunking noise was heard underneath the vehicle. The contact stated that the failures were noticed during a test drive prior to purchasing the vehicle however, the technician at the grieco Ford of raynham located at 1651 new state hwy, raynham, MA, 02767, informed the contact that there was no problem with the vehicle. The contact stated that the failure recurred after the vehicle was purchased. The manufacturer was not made aware of the failure. The failure was not diagnosed nor repaired. The failure mileage was approximately 45,000.