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:
Removal
NOTICE:
Suspension fasteners are critical parts that affect the
performance of vital components and systems. Failure of these fasteners
may result in major service expense. Use the same or equivalent parts if
replacement is necessary. Do not use a replacement part of lesser
quality or substitute design...
Special Tool(s) /
General Equipment
205-153
(T80T-4000-W)
Handle
303-1246Engine Spreader BarTKIT-2006UF-FLMTKIT-2006UF-ROW
303-1247VCT Spark Plug Tube Seal Remover and InstallerTKIT-2006UF-FLMTKIT-2006UF-ROW
303-1248Camshaft holding toolsTKIT-2006UF-FLMTKIT-2006UF-ROW
303-1634Lift Eyes (2)TKIT-2014D-ROW3TKIT-2014D-FL_ROW
303-1696Camshaft holding fixture
303-409
(T92C-6700-CH)
Remover, Crankshaft SealTKIT-1992-FH/FMH/FLMHTKIT-1993-LMH/MH
Floor Crane
Mounting Stand
Plastic Scraper
Flat-Bladed Screwdriver
Materials
Name
Specification
Motorcraft® Silicone Gasket RemoverZC-30-A
-
Motorcraft® Metal Surface Prep WipesZC-31-B
-
Motorcraft® Metal Brake Parts CleanerPM-4-A, PM-4-B
-
NOTICE:
During engine repair procedures, cleanliness is extremely
important...