Econoline E350 1 Ton V8-7.3L DSL Turbo VIN F (1998)
Figures of rear driveshaft flanges are included in this TSB to aid in determining the correct dampened driveshaft to order. Driveshafts in 1996-1998
model year vehicles had the "Dog Bone" flange (Figure 3) and the "Straight Sided" slip yoke (Figure 5).
Driveshafts built Job 1, 1999 to 12/23/1998 have the "Circular" rear flange (Figure 4) and the "Straight Sided" slip yoke (Figure 5).