Brake Proportioning/Combination Valve: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Pressure Metering Valve | ||||
| Pressure Metering Valve | 1.4 | 1.0 | B | Includes: Bleed System. |
| Metering & Differential | 1.4 | 1.0 | B | Includes: Bleed System. |
| Limit Valve | 1.7 | 1.2 | B | Includes: Bleed System. |