Two technicians are discussing rear main seals. Technician A says modern engines use a molded synthetic rubber lip-type seal. Technician B says modern engines use a wick or rope type seal. Who is correct?
A)A only
B)B only
C)both A and B
D)neither A nor B

Question

Quizplus · Accepted Answer

Technician A is correct because modern engines predominantly use molded synthetic rubber lip-type seals for their rear main seals, offering better durability and leak prevention compared to older seal types. Wick or rope type seals are considered outdated and are not commonly used in modern engines.

Two Technicians Are Discussing Rear Main Seals