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

Check

NOTE: Refer to the appropriate Section 303-01 for the specification.

  1. 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 Owners Manual: Operating All-Wheel Drive (AWD) Vehicles With Spare Tires


    Do not use a different size spare tire other than the tire provided. If the mini-spare tire is installed, the AWD system will disable and enter rear-wheel drive only mode to protect driveline components. Some limited AWD traction could be provided if the mini-spare is installed on one of the front wheels...

    Lincoln Aviator 2020-2026 Owners Manual: Standard Settings


    Not every vehicle includes the features listed below. If your vehicle has this equipment, then you cannot change the following settings when using a MyKey: Seatbelt reminder or Belt-Minderâ„¢. MyKey mutes the audio system until drivers, and in some instances, passengers, fasten their seatbelts...

    Categories

    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

    read more

     
    Copyright © 2026 www.liaviator2.com