F 250 4WD HD Pickup V8-460 7.5L VIN G EFI (1997)
6. Install two screw-type hose clamps on the driveshaft so that their heads are located 180 degrees from the chalk mark, starting at the pinion yoke
end of the driveshaft. Tighten the clamps.
7. Run the vehicle up to the baseline speed. If vibration is still evidenced, rotate the clamps approximately 45 degrees away from each other and test
for correction of vibration.
CAUTION: To prevent overheating, do not run the vehicle on the hoist for an extended period.
8. If necessary, continue to rotate the clamps apart in smaller increments until the vibration is eliminated or begins to be reduced.
9. If the vibration is not completely eliminated, repeat Steps 1-8 and balance the front end of the driveshaft, checking for elimination or reduction in
the vibration level.
10. Reinstall wheels and tires.
11. Remove the vehicle from the hoist and road test.
Alternate Procedure
1. Road test. Evaluate and record road speed at which vibration occurs.
2. Raise vehicle on a frame contact hoist. Remove the wheels and tires. Reinstall lug nuts to retain brake drums or rotors. Re-evaluate by starting the
engine, engaging the transmission and accelerating to the indicated speeds at which the vibration was most severe during the road test. Suspending
the rear axle makes the driveline more sensitive to vibration.
