Brake Proportioning/Combination Valve: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | 0.9 | 0.6 | B | Includes: Bleed System. |
| Proportioning and By-Pass Valve | 2.0 | 1.4 | B | Includes: Bleed System. |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | 0.9 | 0.6 | B | Includes: Bleed System. |
| Proportioning and By-Pass Valve | 2.0 | 1.4 | B | Includes: Bleed System. |