Check for worn sleeve yoke spline. Check for worn or stuck spider bearing. VIBRATION
Check runout of transmission extension housing rear bushing. Check for stuck sleeve yoke spline. Check the propeller shaft for damage or dents that could affect balance. Remove any undercoating adhering to shaft. Check for index marks on yoke and companion flange. If marks are not aligned, disconnect shaft and align index marks so they are as close as possible. Check for missing balance weight(s) or improperly seated or defective universal joint(s).
Was this article helpful?