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?

Question

Quizplus · Accepted Answer

Technician A is correct because U-joint bearing caps and trunnions wear together and should be considered a matched set to ensure proper fit and function. Technician B's statement is not always true; replacing the opposite U-joint is not a strict requirement unless it is also showing signs of wear or failure.

Technician a Says That U-Joint Bearing Caps and Trunnions Once