Brake Proportioning/Combination Valve: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Pressure Metering Valve | ||||
| One Side | 0.9 | 0.6 | B | |
| Both Sides | 1.0 | 0.7 | B |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Pressure Metering Valve | ||||
| One Side | 0.9 | 0.6 | B | |
| Both Sides | 1.0 | 0.7 | B |