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: Removal and Installation - Front Head Restraint Guide Sleeve

Removal NOTE: Driver seat shown, passenger seat similar. Remove the front seat. Refer to: Front Seat (501-10A Front Seats, Removal and Installation). Remove the front seat backrest panel. Refer to: Front Seat Backrest Panel (501-10A Front Seats, Removal and Installation)...

Lincoln Aviator 2020-2026 Service Manual: Removal and Installation - Brake Disc Shield

Removal NOTE: Removal steps in this procedure may contain installation details. Remove the wheel bearing and wheel hub. Refer to: Wheel Bearing and Wheel Hub (204-02 Rear Suspension, Removal and Installation). Remove the 3 bolts and the brake disc shield...

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