Technician A says driveline vibration that changes with engine speed can be caused by an unbalanced torque converter. Technician B says driveline vibration that changes with road speed can be caused by a bad universal joint. Who is correct?
A)A only
B)B only
C)both A and B
D)neither A nor B

Question

Quizplus · Accepted Answer

Technician A is correct because an unbalanced torque converter, which is part of the vehicle's transmission system, can cause vibrations that vary with engine speed. Technician B is correct because a bad universal joint, which is part of the driveline, can cause vibrations that change with the vehicle's road speed.

Technician a Says Driveline Vibration That Changes with Engine Speed