Technician A says that it is important to remove and drain the oil reservoir for a HEUI high-pressure pump when changing engine oil so that the oil does not contaminate the clean engine oil. Technician B says that it is not required or practical to drain the oil reservoir or accumulator when changing oil. Who is correct?
A)Technician A
B)Technician B
C)Both A and B
D)Neither A nor B

Question

Quizplus · Accepted Answer

Technician B is correct because it is generally not required or practical to drain the oil reservoir or accumulator when changing engine oil in a HEUI system. The system is designed to handle oil changes without needing to drain these components.

Technician a Says That It Is Important to Remove and Drain