Lincoln Aviator 2020-2026 Service Manual / Powertrain / Engine / Engine System - General Information / General Procedures - Valve Guide Inner Diameter

Lincoln Aviator: Engine System - General Information / General Procedures - Valve Guide Inner Diameter

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.
- Use a ball gauge to determine the inside diameter of the valve guides in 2 directions at the top, middle and bottom of the valve guide.
- Measure the ball gauge with a micrometer.
- If the valve guide is not within specifications, install a new cylinder head assembly.

General Procedures - Spark Plug Inspection

Inspection NOTE: Dropped spark plugs should always be discarded. Unfired An unfired spark plug should appear very clean with a pure nickel finish to the threads and ground strap...

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...

Other information:

Lincoln Aviator 2020-2026 Service Manual: General Procedures - Piston Diameter

Check Measure the piston diameter 90 degrees from the piston pin and piston diameter (DN) height down from the top of the piston at the point indicated. Refer to specifications for the piston diameter (DN) height. Refer to: Specifications (303-01A Engine - 3...

Lincoln Aviator 2020-2026 Service Manual: Description and Operation - Evaporative Emissions - System Operation and Component Description

System Operation System Diagram Item Description 1 Fuel tank filler pipe 2 Fuel delivery module (FDM) 3 Fuel level sensor (FLS) 4 Fuel tank 5 Vapor recirculation line 6 Fuel tank pressure (FTP) sensor and tube 7 EVAP vapor blocking valve (VBV) 8 EVAP carbon canister 9 EVAP canister valve 10 EVAP canister inlet filter 11 Fresh air vent tube 12 Fuel bundle 13 EVAP purge valve (EPV) and tube 14 Intake manifold Evaporative Emission (EVAP) Systems The EVAP system prevents fuel vapor build up in the sealed fuel tank...

Fastening the Seatbelts

The front outboard and rear safety restraints in the vehicle are combination lap and shoulder belts.

Insert the belt tongue into the proper buckle (the buckle closest to the direction the tongue is coming from) until you hear a snap and feel it latch. Make sure that you securely fasten the tongue in the buckle.

Lincoln Aviator. Fastening the Seatbelts

To unfasten, press the release button and remove the tongue from the buckle.