Brake Proportioning/Combination Valve: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Combination Valve | 0.5 | 0.0 | B | |
| Proportioner Valve | ||||
| One | 0.5 | 0.0 | B | |
| Both | 0.9 | 0.0 | B |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Combination Valve | 0.5 | 0.0 | B | |
| Proportioner Valve | ||||
| One | 0.5 | 0.0 | B | |
| Both | 0.9 | 0.0 | B |