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

Ford Explorer 2020-2025 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 2020-2025 Service Manual: Disassembly and Assembly - Rear Bumper Cover

DISASSEMBLY Remove the rear bumper cover. Refer to: Rear Bumper Cover (501-19 Bumpers, Removal and Installation). If equipped. Position the connector shield aside. Disconnect the hands-free liftgate module electrical connector...

Ford Explorer 2020-2025 Service Manual: Removal and Installation - Driveshaft Flexible Coupling

Removal NOTE: The maximum articulation of the flex coupling is 4 degrees. The maximum articulation of any U-joint is 25 degrees. The maximum articulation of the center CV-joint is 20 degrees. The maximum articulation of the rear axle CV-joint is 15 degrees...