Lincoln Aviator 2020-2025 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 2020-2025 Owners Manual: Principle of Operation

WARNING: Vehicle modifications involving braking system, aftermarket roof racks, suspension, steering system, tire construction and wheel and tire size may change the handling characteristics of your vehicle and may adversely affect the performance of the electronic stability control system...

Lincoln Aviator 2020-2025 Owners Manual: Lincoln Protect

PROTECT YOURSELF FROM THE RISING COST OF VEHICLE REPAIRS WITH LINCOLN PROTECT EXTENDED SERVICE PLAN. Lincoln Protect Extended Service Plans (U.S. Only) Lincoln Protect means peace of mind. It’s the extended service plan backed by the Lincoln Motor Company, and provides more protection beyond the New Vehicle Limited Warranty coverage...

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