General • Inspections

3400 Valve Recession

Valve recession is a phenomenon observed in internal combustion engines, in which the set of valve and valve seat presents excessive wear in the contact region, causing poor sealing of the combustion chamber and, hence, loss of engine power. Use this guide for checking your valve recession.

Flatirons Field Services Maint Dept

03/17/2023

3400 Valve Recession

Valve recession is a phenomenon observed in internal combustion engines, in which the set of valve and valve seat presents excessive wear in the contact region, causing poor sealing of the combustion chamber and, hence, loss of engine power. Use this guide for checking your valve recession.

Run HRS

#1 Exhaust

#1 Intake

#2 Exhaust

#2 Intake

#3 Exhaust

#3 Intake

#4 Exhaust

#4 Intake

#5 Exhaust

#5 Intake

#6 Exhaust

#6 Intake

#7 Exhaust

#7 Intake

#8 Exhaust

#8 Intake

#9 Exhaust

#9 Intake

#10 Exhaust

#10 Intake

#11 Exhaust

#11 Intake

#12 Exhaust

#12 Intake

Source: Flatirons Field Services Maint Dept (Community Member)