Lincoln Aviator: Engine System - General Information / General Procedures - Valve Stem Diameter
Check
NOTE:
Refer to the appropriate Section 303-01 for the specification.
-
Measure the diameter of each intake and exhaust valve
stem at the points shown. Verify the diameter is within specification.
Check
NOTE:
Refer to the appropriate Section 303-01 for the specification.
NOTE:
Valve guides tend to wear in an hourglass pattern.
The ball gauge can be inserted into the combustion chamber side of the
valve guide, if necessary...
Other information:
Removal
NOTE:
LH (left-hand) side shown, RH (right-hand) side similar.
NOTE:
Removal steps in this procedure may contain installation details.
Remove the front door window glass.
Refer to: Front Door Window Glass (501-11 Glass, Frames and Mechanisms, Removal and Installation)...
Special Tool(s) /
General Equipment
Hose Clamp Remover/Installer
Removal
Drain the cooling system.
Refer to: Engine Cooling System Draining, Vacuum Filling and Bleeding (303-03A Engine Cooling - 3.0L EcoBoost, General Procedures)...