A/C Coupler O-ring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| O-Ring | ||||
| Condenser, Ignition | 0.4 | 0.3 | B | |
| Expansion Valve | 1.4 | 1.0 | B | |
| Evaporator | 0.3 | 0.2 | B | |
| Compressor Inlet | 0.3 | 0.2 | B | |
| Compressor Outlet | 0.3 | 0.2 | B | |
| Condenser Inlet Line | 0.5 | 0.4 | B | |
| Evaporator Outlet Line | 0.3 | 0.2 | B | |
| Evaporator Inlet Line | 0.3 | 0.2 | B | |
| Filter Dryer | 0.3 | 0.2 | B | |
| Pressure Switch | 0.3 | 0.2 | B |