Brake Proportioning/Combination Valve: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Brake Pressure Metering Valve | ||||
| Without Wagon | 0.9 | 0.6 | B | Includes: Bleed System. |
| With Wagon | ||||
| One | 0.8 | 0.5 | B | Includes: Bleed System. |
| Both | 0.9 | 0.6 | B | Includes: Bleed System. |