Brake Proportioning/Combination Valve: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Without ABS | 1.3 | 0.9 | B | Includes: Bleed System. |
| With ABS | ||||
| One | 0.6 | 0.3 | B | Includes: Bleed System. |
| Both | 0.7 | 0.4 | B | Includes: Bleed System. |