Overdrive Assembly: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 4L80E/4L85E | ||||
| Overdrive Assembly | ||||
| Old Style | ||||
| 2WD | ||||
| With 3500 HD | 8.8 | 6.0 | A | Includes: R&I Transmission. |
| New Style | ||||
| 2WD | 8.0 | 5.7 | A | Includes: R&I Transmission. |
| 4WD | 9.8 | 6.8 | A | Includes: R&I Transmission. |