Brake Proportioning/Combination Valve: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Pressure Metering Valve | ||||
| Inline | ||||
| One | 1.3 | 0.9 | B | |
| Both | 1.5 | 1.1 | B | |
| Master Cylinder | 1.9 | 1.4 | B |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Pressure Metering Valve | ||||
| Inline | ||||
| One | 1.3 | 0.9 | B | |
| Both | 1.5 | 1.1 | B | |
| Master Cylinder | 1.9 | 1.4 | B |