E 150 1/2 Ton Van V6-4.2L VIN 2 (1997)
Wheel Fastener: Testing and Inspection
Wheel Stud
Wheel hub bolt runout can affect wheel runout. When measuring the runout on the lug bolts, the feeler will not be in contact with the lug bolts at all
times. Only the measurements taken at the high point of contact of each lug bolt should be considered.
1. Using a broad point indicator, locate the feeler perpendicular to the lug bolt, as close to the flange face as possible. Zero the indicator so the
pointer can deflect either way, ensuring an accurate reading at the lowest as well as the highest contact point.
2. Rotate the axle shaft until the next lug bolt is contacted. Again, record and continue until you have one reading for each point of contact (each lug
bolt). The absolute difference between the maximum and minimum contact reading will be the total indicator reading (or total runout). Wheel hub
bolt circle runout should not exceed 0.41 mm (0.016 inch) Total Indicated Runout (TIR).
