Control Assembly: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Main Controls | ||||
| Without ATC | ||||
| Front | 0.5 | 0.3 | B | |
| Rear | 0.6 | 0.0 | B | |
| With ATC | 0.4 | 0.3 | B | |
| Automatic Temperature Controls | ||||
| Control Unit | ||||
| I/P Mounted Module | 0.4 | 0.3 | B | |
| Rear Module | 0.6 | 0.5 | B |