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: Diagnosis and Testing - Front Drive Axle

Principles of Operation Inspection and Verification Verify the customer concern. Visually inspect for obvious signs of mechanical or electrical damage. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step...

Ford Explorer 2020-2026 Owners Manual: Automatic Transmission Fluid Check

If required, have an authorized dealer check and change the transmission fluid at the correct service interval. See Scheduled Maintenance. The automatic transmission does not have a transmission fluid dipstick. Refer to your scheduled maintenance information for scheduled intervals for fluid checks and changes...