Case: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Case | ||||
| THM-700-R4 (4L60-4L60E) | 8.0 | 5.6 | B | Includes: R&I Transmission. |
| Note | ||||
| With Skid Plate, Add | 0.4 | 0.2 | B | |
| With Compressed Natural Gas, Add | 0.8 | 0.5 | B | |
| 4L80E | 6.6 | 4.7 | A | Includes: R&I Transmission. |