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: Removal and Installation - Rear Door Skin Panel

Special Tool(s) / General Equipment Resistance Spotwelding Equipment Scraper for Straight Edges Grinder Hot Air Gun Knife Spot Weld Drill Bit Locking Pliers Materials Name Specification Metal Bonding AdhesiveTA-1, TA-1-B, 3M™ 08115, LORD Fusor® 108B - Seam SealerTA-2-B, 3M™ 08308, LORD Fusor® 803DTM - Flexible Foam Repair3M™ 08463, LORD Fusor® 121 - Removal WARNING: Electric vehicles damaged by a crash may have compromised high voltage safety systems and present a potential high voltage electrical shock hazard...

Lincoln Aviator 2020-2024 Service Manual: Removal and Installation - Brake Pads

Special Tool(s) / General Equipment 12” / 300mm C-Clamp Removal WARNING: Service actions on vehicles equipped with electronic brake booster and electronic parking brakes may cause unexpected brake application, which could result in injury to hands or fingers...

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.