Planetary Gears: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 4T80E | ||||
| Sun Gear | 2.9 | 2.1 | B | |
| 2ND Clutch Sprag Assembly | 15.7 | 11.0 | B | |
| Reaction Carrier | 15.7 | 11.5 | B | |
| Support | ||||
| Forward Clutch Support | 16.7 | 11.8 | B | |
| Sprag Assembly | 16.7 | 11.9 | B | |
| Input Carrier | 16.7 | 11.7 | B | |
| Reaction Sun Gear | 15.7 | 11.5 | B | |
| Sun Gear Shaft | 16.7 | 11.6 | B | |
| Reaction Shaft | 15.7 | 11.2 | B | |
| Reaction Clutch Shell | 15.7 | 11.0 | B | |
| Internal Gear Assembly | ||||
| Input Internal Gear | 16.7 | 11.9 | B | |
| Reaction Internal Gear | 16.7 | 11.7 | B |