Two technicians are discussing a transmission that is noisy in first, second, third, and reverse but quiet in fourth gear. Technician A says that there is probably a bad input shaft gear. Technician B says that it probably has a faulty 1-2 synchronizer assembly because reverse is on the synchronizer sleeve. Which technician is correct?
1) Technician A
2) Technician B
3) Both technicians
4) Neither technician