PRECAUTIONS Be careful not to grip the propeller shaft tube too tightly in the vise as this will cause deformation. TROUBLESHOOTING Problem | Possible cause | Remedy | Page Noise | Sleeve yoke spline worn | Replace sleeve yoke | PR-5 | Center bearing worn | Replace center bearing | PR-4 | Spider bearing worn or stuck | Replace spider bearing | PR-5 Vibration | Propeller shaft runout | Replace propeller shaft | PR-4 | Propeller shaft imbalance | Balance propeller shaft | | Transmission extension housing bushing worn | Replace extension housing | MT-11, 51 | Sleeve yoke spline stuck | Replace sleeve yoke | PR-5