F 150 4WD Pickup V8-5.4L SOHC VIN 3 (1999)
Valve: Testing and Inspection
Seat Width
1. Measure the valve seat width. If necessary, grind the valve seat to specification.
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Measure the intake valve seat width.
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Measure the exhaust valve seat width.
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Recheck the valve spring installed length after the seats have been ground, and shim the valve springs as necessary to achieve the correct
installed spring length.
