Torque Converter: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| THM-700-R4 (4L60-4L60E) | 3.8 | 2.7 | 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 | ||||
| Without 3500 HD | 5.2 | 3.5 | B | |
| With 3500 HD | 5.2 | 3.6 | B | |
| Note | ||||
| With Skid Plate, Add | 0.5 | 0.3 | B |