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 Owners Manual: Stay in Neutral Mode

Note: Stay in neutral mode is a temporary vehicle state that works with the engine being in the running or OFF state. Once in this mode, sufficient battery voltage must be maintained or your vehicle returns to park. If the feature is left active for extended time when engine is OFF...

Ford Explorer 2020-2026 Owners Manual: Blind Spot Information System

WARNING: Do not use the blind spot information system as a replacement for using the interior and exterior mirrors or looking over your shoulder before changing lanes. The blind spot information system is not a replacement for careful driving. WARNING: The system may not operate properly during severe weather conditions, for example snow, ice, heavy rain and spray...