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

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.

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...

Engine - 3.0L EcoBoost

Other information:

Lincoln Aviator 2020-2026 Service Manual: Disassembly and Assembly - Rear Bumper Cover

DISASSEMBLY Remove the rear bumper cover. Refer to: Rear Bumper Cover (501-19 Bumpers, Removal and Installation). If equipped. Position the connector shield aside. Disconnect the hands-free liftgate module electrical connector...

Lincoln Aviator 2020-2026 Service Manual: General Procedures - Cylinder Bore Taper

Check NOTE: Refer to the appropriate Section 303-01 for the specification. Measure the cylinder bore at the top, middle and bottom of piston ring travel in 2 directions as indicated. Verify the cylinder bore is within the wear limit. The difference indicates the cylinder bore taper...

Activating Intelligent Access

The intelligent access key must be within 3 ft (1 m) of the door or luggage compartment you intend to lock or unlock.

At a Door

Electronic door handles are on each door. Gently depress the switch inside the exterior door handle to unlock and open the door. An unlock symbol illuminates on the door window trim indicating your vehicle is unlocked.

Lincoln Aviator. Activating Intelligent Access