Differential Case: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 4 Speed - 4T65E | ||||
| Final Drive Assembly | 2.1 | 1.5 | A | |
| 4 Speed - 4T80E | ||||
| Final Drive Assembly | 3.5 | 2.6 | A | |
| Final Drive Gear | ||||
| Internal Gear | 3.6 | 2.8 | A | |
| Sun Gear | 3.6 | 2.7 | A |