Planetary Gears: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| THM-700-R4 (4L60-4L60E) | ||||
| Transmission Reaction Gear Set | 8.8 | 6.5 | A | Includes: R&I Transmission. |
| Note | ||||
| With Skid Plate, Add | 0.4 | 0.2 | A | |
| With Compressed Natural Gas, Add | 0.8 | 0.5 | A | |
| 4L80E | ||||
| Sun Gear Shaft | 8.8 | 6.4 | A | Includes: R&I Transmission. |
| Note | ||||
| With Skid Plate, Add | 0.5 | 0.3 | A |