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:
Adjustment
NOTE:
Horizontal aim is not adjustable. Consult your state
vehicle inspection center for recommended tolerance ranges for visual
aiming.
NOTE:
Before starting fog lamp adjustment, entry conditions must be met.
Vehicle must be on level ground...
Special Tool(s) /
General Equipment
Hose Clamp Remover/Installer
Locking Pliers
Removal
NOTICE:
During engine repair procedures, cleanliness is extremely
important. Any foreign material, including any material created while
cleaning gasket surfaces, that enters the oil passages, coolant passages
or the oil pan, can cause engine failure...