While discussing intake seals, Technician A says that a faulty intake valve seal will allow oil to be pulled into the cylinder from the low pressure created during the intake stroke. Technician B says that a leaking intake seal can cause carbon buildup on the valve stem, which interferes with engine breathing. Who is correct?
A)A only
B)B only
C)Both A and B
D)Neither A nor B

Question

Quizplus · Accepted Answer

Both technicians are correct. A faulty intake valve seal will allow oil to be pulled into the cylinder from the low pressure created during the intake stroke, and a leaking intake seal can cause carbon buildup on the valve stem, which interferes with engine breathing.

While Discussing Intake Seals, Technician a Says That a Faulty