ENGINE PRE-OILING
NOTE: Examples used in this article are general in nature and do not
necessarily
relate to a specific engine or system. Illustrations and procedures have
been chosen to guide mechanic through engine overhaul process.
Descriptions of processes of cleaning, inspection, assembly and
Special Tools
EN 35667-A Cylinder Head Leakdown Tester
For equivalent regional tools, refer to Special Tools.
NOTE: A leakage test may be performed in order to measure
cylinder/combustion chamber
leakage. High leakage may indicate one or more of the following:
Worn or burnt valves
Broken valve s