Brake Proportioning/Combination Valve: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | 0.9 | 0.7 | B | Includes: Bleed System. |
| Pressure Sensor | 0.4 | 0.3 | B | |
| Proportioner Valve | ||||
| One | 0.8 | 0.0 | B | Includes: Bleed System. |
| All | 1.0 | 0.7 | B | Includes: Bleed System. |