Lincoln Aviator 2020-2026 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 2020-2026 Service Manual: Removal and Installation - Rear Door Trim Panel

Special Tool(s) / General Equipment Interior Trim Remover Removal NOTE: LH (left hand) shown, RH (right hand) similar. NOTE: Removal steps in this procedure may contain installation details. Remove the rear door window control switch...

Lincoln Aviator 2020-2026 Service Manual: Specifications

Lubricants, Fluids, Sealers and Adhesives NOTE: Per the warranty and policy manual the Ford Engineering-approved refrigerant (see table for service part number) must be used for air conditioning repairs Item Specifications Motorcraft® R-1234yf Refrigerant POE Oil / YN-34 (US, Canada) WSS-M2C31-B2 Motorcraft® R-1234yf Refrigerant PAG Oil / YN-35 (US, Canada) WSS-M2C300-A2 Motorcraft® Electric A/C Compressor Oil / YN-32 (Mexico, Asia Pacific) _ Motorcraft® PAG Refrigerant Compressor Oil / YN-12-D (Mexico, Asia Pacific) WSH-M1C231-B R-1234yf Refrigerant / YN-33-A (US); HS7Z-19B519-BA (Canada) WSS-M17B21-A Motorcraft® R-134a Refrigerant / MYN-19 (Mexico, Asia Pacific) WSH-M17B19-A Motorcraft® A/C System Flushing Solvent / YN-23 _ Motorcraft® A/C Cooling Coil Coating / YN-29 _ Capacities Item Specifications Motorcraft® R-1234yf Refrigerant PAG Oil / YN-35 (US, Canada) 3...

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.