Lincoln Aviator: Engine System - General Information / General Procedures - Piston Selection
Check
NOTE:
Refer to the appropriate Section 303-01 for the specifications.
-
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.
-
Select a piston size based on the cylinder bore.
-
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
-
Motorcraft® Metal Surface Prep WipesZC-31-B
-
Motorcraft® Engine Shampoo and DegreaserZC-20
ESR-M14P3-A
Motorcraft® Metal Brake Parts CleanerPM-4-A, PM-4-B
-
Cleaning
NOTICE:
This procedure is only to be used on the sealing surfaces of
metal components...
Other information:
Overview
The rear suspension consists of the following components:
Coil springs
Lower arm and bushing assemblies
Stabilizer bar and links
Toe links
Upper arms
Lower arm vertical links
Wheel bearing and wheel hub assemblies
Wheel knuckles
Wheel studs
Suspension height sensor
Dynamically controlled shock absorbers
Refer to: Vehicle Dynamic Suspension - Vehicles With: Air Suspension - Component Location (204-05 Vehicle Dynamic Suspension, Description and Operation)...
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