F 150 2WD Pickup V8-5.4L SOHC VIN 3 (1999)
Valve: Testing and Inspection
Inspection
1. Inspect the following valve areas:
1
the end of the stem for grooves or scoring
2
the valve face and the edge for pits, grooves or scores
3
the valve head for signs of burning, erosion, warpage and cracking.
4
the valve head thickness for wear
