Lincoln Aviator 2020-2024 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 2020-2024 Service Manual: Description and Operation - Starting System - Overview

Starting System The starting system controls the cranking of the engine. The PCM energizes the starter relay when it receives inputs from the ignition switch, automatic transmission, and the BCM. When the starter relay is energized it applies power to the starter motor which cranks the engine...

Lincoln Aviator 2020-2024 Owners Manual: Accessories

For a complete listing of the accessories that are available for your vehicle, please contact your authorized dealer or visit the online store website: Web Address (United States) www.Accessories.Lincoln.com Web Address (Canada) www.LincolnCanada.com We will repair or replace any properly authorized dealer-installed Lincoln Original Accessory found to be defective in factory-supplied materials or workmanship during the warranty period, as well as any component damaged by the defective accessories...

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.