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
Flat-Bladed Screwdriver
Materials
Name
Specification
Motorcraft® Multi-Purpose Grease SprayXL-5-A
ESB-M1C93-B
Activation
NOTE:
Typical left front door shown, others similar.
Open the door...
WARNING:
Batteries contain sulfuric acid and produce explosive gases.
Work in a well-ventilated area. Do not allow the battery to come in
contact with flames, sparks or burning substances. Avoid contact with
skin, eyes or clothing. Shield eyes when working near the battery to
protect against possible splashing of acid solution...