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:
WARNING: Do not place objects or
mount equipment on or near the airbag
cover, on the side of the front or rear
seatbacks, or in areas that may come into
contact with a deploying airbag. Failure to
follow these instructions may increase the
risk of personal injury in the event of a
crash...
With the vehicle in NEUTRAL, position it on a hoist.
Refer to: Jacking and Lifting (100-02 Jacking and Lifting, Description and Operation).
If equipped, remove the transfer case heat shield.
NOTE:
Take extra care not to damage the component...