Valve Stem Diameter

WARNING: This page is about a different car, the 2013 Ford F-550 Super Duty, 2013 Ford F-450 Super Duty, 2013 Ford F-350 Super Duty, and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Refer to the appropriate Engine Mechanical article for the specification.

Measure the diameter of each intake and exhaust valve stem at the points shown in the illustration. Verify the diameter is within specification.

Fig 1: Measuring Diameter Of Each Intake And Exhaust Valve Stem
Courtesy of FORD MOTOR CO.