Lincoln Aviator: Engine System - General Information / General Procedures - Piston Selection
Check
NOTE:
Refer to the appropriate Section 303-01 for the specifications.
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NOTE:
The cylinder bore must be within the specifications for taper and out-of-round before fitting a piston.
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Measure the cylinder bore in 2 directions.
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Select a piston size based on the cylinder bore.
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NOTE:
For precision fit, new pistons are divided into 3
categories within each size range based on their relative position
within the range. A paint spot or specific size grade on a new piston
indicates the position within the size range.
Choose the piston with the correct paint color or specific size grade.
Special Tool(s) /
General Equipment
Feeler Gauge
Check
NOTE:
Refer to the appropriate Section 303-01 for the specification.
NOTE:
Use care when fitting piston rings to avoid possible damage to the piston ring or the cylinder bore...
Special Tool(s) /
General Equipment
Plastic Scraper
Nylon Bristle Disk
Plastic Razor Blade
Lint-Free Towel
Isopropyl Alcohol – 90 Percent Minimum
Materials
Name
Specification
Motorcraft® Silicone Gasket RemoverZC-30-A
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Motorcraft® Metal Surface Prep WipesZC-31-B
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Motorcraft® Engine Shampoo and DegreaserZC-20
ESR-M14P3-A
Motorcraft® Metal Brake Parts CleanerPM-4-A, PM-4-B
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Cleaning
NOTICE:
This procedure is only to be used on the sealing surfaces of
metal components...
Other information:
Removal
NOTE:
Driver seat shown, passenger seat similar.
Remove the front seat.
Refer to: Front Seat (501-10A Front Seats, Removal and Installation).
Remove the front seat backrest panel.
Refer to: Front Seat Backrest Panel (501-10A Front Seats, Removal and Installation)...
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
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Seam SealerTA-2-B, 3M™ 08308, LORD Fusor® 803DTM
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Flexible Foam Repair3M™ 08463, LORD Fusor® 121
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Removal
WARNING:
Electric vehicles damaged by a crash may have compromised
high voltage safety systems and present a potential high voltage
electrical shock hazard...