Brake Proportioning/Combination Valve: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Pressure Metering Valve | ||||
| One | 1.6 | 1.2 | B | |
| Both | 1.7 | 1.3 | B |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Pressure Metering Valve | ||||
| One | 1.6 | 1.2 | B | |
| Both | 1.7 | 1.3 | B |