Differential: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 3T40 | ||||
| Differential & Final Drive Assembly | 12.7 | 9.3 | A | Includes: R&R Transmission. |
| Note | ||||
| With AC, Add | 1.1 | 0.8 | A | |
| With Locking Wheel Covers/Lug Nuts, Add | 0.2 | 0.1 | A | |
| To Overhaul Differential/ Final Drive, Add | 1.1 | 0.8 | A |