Case: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Case | ||||
| 4T80E | 14.7 | 10.5 | B | Includes: R&I Transaxle. |
| Note | ||||
| To Overhaul Carrier/Differential Final Drive Assembly, Add | 0.3 | 0.2 | B | |
| 4T60E | 12.7 | 9.2 | A | Includes: R&I Transaxle. |
| Case Cover | ||||
| 4T80E | ||||
| Side Cover | 8.8 | 6.0 | B | |
| Case Cover | 11.8 | 8.2 | B | |
| Note | ||||
| To Overhaul Carrier/Differential Final Drive Assembly, Add | 0.3 | 0.2 | B |