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: Removal and Installation - Catalyst Monitor Sensor

Special Tool(s) / General Equipment 303-476 (T94P-9472-A) Socket, Exhaust Gas Oxygen SensorTKIT-1994-LM/MTKIT-1994-FTKIT-1994-FLM/FM Materials Name Specification Motorcraft® High Temperature Nickel Anti-Seize LubricantXL-2 - Motorcraft® Penetrating and Lock LubricantXL-1 - Removal NOTE: Removal steps in this procedure may contain installati..

Ford Explorer 2020-2026 Owners Manual: About Hill Descent Control

WARNING: Hill descent control cannot control descent in all surface conditions and circumstances, such as ice or extremely steep grades. Hill descent control is a driver assist system and cannot substitute for good judgment by the driver. Failure to do so may result in loss of vehicle control, crash or serious injury...