Ford Explorer: Engine System - General Information / General Procedures - Valve Guide Inner Diameter

Ford Explorer 2020-2026 Service Manual / Powertrain / Engine / 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:

Ford Explorer 2020-2026 Service Manual: General Procedures - Air Conditioning (A/C) System Recovery, Evacuation and Charging - Hybrid Electric Vehicle (HEV), Vehicles With: R1234YF Refrigerant

Special Tool(s) / General Equipment Air Conditioning Service Unit Refrigerant Identification Equipment Check NOTE: For all equipment, follow the manufacturer's instructions. Follow and inspect all charging instructions. Start and run the engine at idle until normal operating temperature is reached...

Ford Explorer 2020-2026 Service Manual: General Procedures - Azimuth System Check

Check NOTE: The object used in this system check can be fabricated using a 9 cm diameter (3 in I.D.) pipe, 100 cm (39 in) in length (available as Polyvinyl Chloride (PVC) pipe, or similar from a hardware or plumbing supply. NOTE: The following system check should be carried out with the vehicle on a level surface...