Lincoln Aviator 2020-2025 Service Manual / Powertrain / Engine / Engine System - General Information / General Procedures - Piston Selection

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.
- 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.

General Procedures - Piston Ring End Gap

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...

General Procedures - RTV Sealing Surface Cleaning and Preparation

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:

Lincoln Aviator 2020-2025 Service Manual: General Procedures - Washer Hose Repair

Repair NOTE: This procedure may be carried out on rubber hoses only. If a plastic washer hose is damaged, a new washer hose must be installed. Locate and verify the damaged washer hose. Cut the hose cleanly and remove the damaged portion of the washer hose...

Lincoln Aviator 2020-2025 Service Manual: Removal and Installation - Valve Cover RH

Special Tool(s) / General Equipment 205-153 (T80T-4000-W) Handle 303-1247VCT Spark Plug Tube Seal Remover and InstallerTKIT-2006UF-FLMTKIT-2006UF-ROW Plastic Scraper Materials Name Specification Motorcraft® High Performance Engine RTV SiliconeTA-357 WSE-M4G323-A6 Motorcraft® Silicone Gasket RemoverZC-30-A - Motorcraft® Metal Surface Prep WipesZC-31-B - Motorcraft® Metal Brake Parts CleanerPM-4-A, PM-4-B - Removal NOTICE: During engine repair procedures, cleanliness is extremely important...

Child Safety Locks

When the child safety locks are set, you cannot open the rear doors from the inside.

Lincoln Aviator. Child Safety Locks

The child safety lock control is on the driver door.

Press the control to switch the child safety locks on. Press the control again to switch them off. A light on the child safety control illuminates when you switch them on.