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:
If a heater core leak is suspected, the heater core must be leak tested before it is removed from the vehicle.
Remove the climate control housing.
Refer to: Climate Control Housing (412-00 Climate Control System - General Information, Removal and Installation)...
Removal
NOTICE:
During the removal of components, cap, tape or otherwise
appropriately protect all openings to prevent the ingress of dirt or
other contamination. Remove protective materials prior to installation.
NOTE:
Removal steps in this procedure may contain installation details...