Technician A says that U-joint bearing caps and trunnions once in use should be regarded as a matched set and not interchangeable.Technician B says that when one U-joint fails on a driveshaft,its opposite one must also be changed.Who is correct?

A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B

Bearing Caps

Components that help to secure and protect bearings, ensuring they remain in their proper position.

Matched Set

Items that are manufactured or selected to work together optimally, often referring to parts that are used together in machinery or systems.

U-joint Fails

The failure of a universal joint, a crucial component in the drivetrain of a vehicle, leading to a loss of connection between the driveshaft and the differential or gearbox.