Technician A says that most differential carriers have two oil fill holes at different levels and that the pinion angle off a horizontal plane determines which fill hole should be used..Technician B says that the oil fill hole that is highest on an axle should always be used to check oil level.Who is correct?

Question

Quizplus · Accepted Answer

Technician B is correct because typically, the highest oil fill hole on an axle is the standard location for checking and filling differential oil to ensure the proper oil level is maintained. Technician A's statement about differential carriers having two oil fill holes at different levels and the use of a specific hole based on pinion angle is not a common practice in automotive maintenance.

Technician a Says That Most Differential Carriers Have Two Oil