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
Rust Protection Coating Gun
Undercoating Gun
Materials
Name
Specification
ValuGard™ Premium UndercoatingVG101, VG101A
-
ValuGard™ Rust InhibitorVG104, VG104A
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Motorcraft® Metal Surface Prep WipesZC-31-B
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Repair
NOTE:
Undercoating
NOTE:
The following illustrations are not vehicle specific and are intended for reference only...
Special Tool(s) /
General Equipment
6.5 mm Drill Bit
Resistance Spotwelding Equipment
Rivet Gun
Self-Piercing Rivet (SPR) Remover/Installer
Belt Sander
Torx Bit Socket
Hot Air Gun
MIG/MAG Welding Equipment
Spot Weld Drill Bit
Locking Pliers
Materials
Name
Specification
Metal Bonding AdhesiveTA-1, TA-1-B, 3M™ 08115, LORD Fusor® 108B
-
Seam SealerTA-2-B, 3M™ 08308, LORD Fusor® 803DTM
-
Removal
WARNING:
Electric vehicles damaged by a crash may have compromised
high voltage safety systems and present a potential high voltage
electrical shock hazard...