Technician A says the primary job of antiwear additives is to protect the camshaft and lifters. Technician B says ZDDP has been commonly used as an antiwear additive. Who is correct?

Question

Quizplus · Accepted Answer

Both technicians are correct. Antiwear additives are used to protect the camshaft and lifters, and ZDDP (zinc dialkyldithiophosphate) has been a commonly used antiwear additive in engine oils.

Technician a Says the Primary Job of Antiwear Additives Is