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:
Special Tool(s) /
General Equipment
Two Leg Puller
Removal
Remove the rear spoiler.
Refer to: Rear Spoiler (501-08 Exterior Trim and Ornamentation, Removal and Installation).
Remove the rear window wiper pivot arm nut...
BLIS®
The BLIS®
aids the driver in assessing whether another vehicle is present within a
specific area (blind spot) to either side of the vehicle, extending
rearward approximately 6 m (20 ft) beyond the rear bumper while driving
on roads and highways...