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: Remote Start

The climate control system adjusts the interior temperature during remote start. You can switch this feature on or off and adjust the settings using the touchscreen. See Settings. You cannot adjust the climate control setting during remote start operation...

Ford Explorer 2020-2026 Owners Manual: USING DRIVER ALERT

Switching the System On and Off Switch the system on or off using the touchscreen. See Settings. When active, the system monitors your alertness level based upon your driving behavior in relation to the lane markings, and other factors. System Warnings Note: The system does not issue warnings below approximately 40 mph (64 km/h)...