Lincoln Aviator: Engine System - General Information / General Procedures - Valve Stem Diameter
Check
NOTE:
Refer to the appropriate Section 303-01 for the specification.
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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:
Check
Turn the ignition ON, engine OFF.
Set the parking brake.
Place the gearshift in REVERSE (R) for rear parking aid sensors.
Place the gearshift in DRIVE (D) for front parking aid sensors...
Removal
NOTE:
Left hand (LH) shown, right hand (RH) similar.
NOTE:
For front door window regulator motors that are
non-functional it may be necessary to remove the front door window
regulator motor prior to securing the front door window glass...