• | Damage to threaded bolt holes (1) |
• | Broken flanges (2) |
• | Restrictions within the internal oil passages |
• | Damaged case or cover sealing surfaces |
• | Damage to the O-ring seal grooves (3) |
• | Porosity |
Important: Replacing the left side cover bushing requires a NEW left side cover and a NEW bushing. Replacing only the bushing will result in a low press fit condition. Use new bushings where new covers are available without bushings installed.
• | Damage to the O-ring seal surface (1) |
• | Damage to the axle shaft oil seal bores (2) |
• | Restrictions within the internal oil passages |
• | Porosity |
• | Dents or damage to the exterior of the rear cover that may create interference with the pinion shaft |
• | Damage to the nut threads or locking area (1) |
• | Worn or scored bearings (2) |
• | The pinion housing/cage (4) for damaged bolt holes, broken flanges, restrictions within the oil passages, worn or loose bearing cup and/or cup bores |
• | The pinion shaft (5) for damaged threads, worn splines, or worn or scored gear teeth |