Differential Case: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 4T60E, 4T65E | ||||
| Carrier & Differential Final Drive Assembly | ||||
| 4T60E | 2.4 | 1.7 | B | |
| Final Drive Sun Gear | ||||
| 4T60E | 2.4 | 1.7 | B | |
| Parking Gear | ||||
| 4T60E | 2.4 | 1.7 | B | |
| Final Drive Sun Gear Shaft | ||||
| 4T60E | 2.4 | 1.7 | B | |
| Note | ||||
| With Locking Wheel Covers/Lug Nuts, Add | 0.2 | 0.1 | B |