Nitro 2WD V6-4.0L (2007)
NOTE: Indexing the propeller shaft (1) 90° relative to the flange (2) may eliminate some vibrations.
1. Raise the vehicle.
2. Clean all the foreign material from the propeller shaft and universal joints.
3. Inspect propeller shaft for missing balance weights, broken welds, and bent areas.
NOTE: If the propeller shaft is bent, it must be replaced.
4. Inspect joints for wear, proper installation and correct alignment with the shaft.
5. Remove wheels and tires and install wheel lug nuts to retain brake drums/rotors.
6. Mark and number the shaft six inches from the pinion flange end at four positions 90 degrees apart.
7. Run and accelerate the vehicle until vibration occurs. Note the intensity and speed the vibration occurred. Stop the engine.
8. Position one screw clamp (1) on the propeller shaft (2) at one of the 90 degree marks.
9. Start the engine and check for vibration. If there is little or no change in vibration, move the clamp to the next mark. Repeat the vibration test. If
there is no difference in vibration at the other positions, the source of the vibration may not be propeller shaft.
