Shift Modulator: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 4R100 | ||||
| Modulator Valve | ||||
| Without Super Duty | 1.4 | 1.1 | B | |
| With Super Duty | 1.6 | 1.1 | B |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 4R100 | ||||
| Modulator Valve | ||||
| Without Super Duty | 1.4 | 1.1 | B | |
| With Super Duty | 1.6 | 1.1 | B |