Technician A says that worn valve stem seals will affect oil consumption. Technician B says that valve stem seals are normally reused during an overhaul. Who is correct?

Question

Quizplus · Accepted Answer

Technician A is correct. Worn valve stem seals can allow oil to seep past the valve stems and into the combustion chamber, leading to increased oil consumption.

Technician B is incorrect. Valve stem seals, like other engine components, should be inspected and replaced as necessary during an overhaul. It is not recommended to reuse old seals.

Technician a Says That Worn Valve Stem Seals Will Affect