Brake Proportioning/Combination Valve: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 928, 928 GTS | 0.7 | 0.4 | B | Does Not Include: Bleed System. |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 928, 928 GTS | 0.7 | 0.4 | B | Does Not Include: Bleed System. |