Valve and Seat Refacing Measurements

WARNING: This page is about a different car, the 2011 Ford Pickup, 2011 Ford F550 Super Duty, 2011 Ford F450 Super Duty, and 2011 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: After grinding valves or valve seats, check valve clearance.

Check the valve head and seat.
- Check valve angles.
- Check margin width.
- Be sure margin width is within specification. For additional information, refer to in this service information.
Fig 1: Checking Valve Head And Seat
Courtesy of FORD MOTOR CO.
Inspect for abnormalities on the valve face and seat. Install a new cylinder head assembly if abnormalities are found.