Technician A says a poor engine ground connection can cause electricity to flow through wheel bearings, causing damage. Technician B says using too much bearing grease may result in premature bearing failure. Which technician is correct?

Question

Quizplus · Accepted Answer

Technician A is correct because a poor engine ground can indeed cause electrical currents to flow through unintended paths, including wheel bearings, potentially causing damage. Technician B is also correct because over-greasing bearings can lead to excessive heat build-up and premature failure.

Technician a Says a Poor Engine Ground Connection Can Cause