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:
The treadwear grade is a comparative
rating based on the wear rate of the tire
when tested under controlled conditions
on a specified government test course.
For example, a tire graded 150 would
wear 1½ times as well on the
government course as a tire graded 100...
Special Tool(s) /
General Equipment
Resistance Spotwelding Equipment
Spherical Cutter
Grinder
Hot Air Gun
Spatula
Air Body Saw
8 mm Drill Bit
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
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Flexible Foam Repair3M™ 08463, LORD Fusor® 121
-
Removal
WARNING:
Electric vehicles damaged by a crash may have compromised
high voltage safety systems and present a potential high voltage
electrical shock hazard...