Valve and Seat Refacing Measurements

WARNING: This page is about a different car, the 2005 Ford Pickup, 2005 Ford F550 Super Duty, 2005 Ford F450 Super Duty, and 2005 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

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

Check the valve head and seat.
- Check valve angles.
- Check margin width.
- Refer to the appropriate article for the procedure.
- Be sure margin width is within specification.
  
  Fig 1: Identifying Valve Margin Width
  Courtesy of FORD MOTOR CO.
Inspect for abnormalities on the valve face and seat.