Seals and Gaskets: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 4T65E | ||||
| Channel Plate Gasket | ||||
| Note | ||||
| To Overhaul 3-4 Accumulator, Add | 0.2 | 0.2 | B | |
| To Overhaul Valve Body, Add | 1.5 | 0.0 | B | |
| To Overhaul Oil Pump, Add | 0.4 | 0.3 | B | |
| 4T80E | ||||
| Side Cover Gasket | 8.8 | 5.5 | B | |
| Case Gasket | 11.8 | 8.8 | B | |
| Extension Housing Seal | 4.0 | 2.9 | B | |
| Oil Pan Gasket | 1.0 | 0.7 | B | |
| Separator Gasket | 2.1 | 1.5 | B | |
| Manual Shaft Seal | 2.9 | 2.1 | B | |
| Input Shaft Seal | 13.7 | 10.0 | B |