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:
Check
NOTE:
If there is a concern with one of the following components
and Bezel Diagnostics cannot be accessed, obtain the module part number
by referencing the label attached to the module.
Inoperative ACM
Inoperative (blank or does not power on) display unit (non-touchscreen display or touchscreen display)
Inoperative FCIM or radio control panel
Inoperative steering wheel switch
Refer to appropriate 415-00 section to diagnose the inoperative component...
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
-
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...