Parking Brake System: Specifications
| Parking Brake Drum Maximum Inside Diameter | F-250, F-350 | 8.12 inch |
| F-450, F-550 | 9.54 inch | |
| Lubricant | Penetrating and Lock Lubricant | |
| Parking brakecontrol retaining nuts | 19 ft.lbs. | |
| Parking brake release handle nuts | 6-8 ft.lbs. | |
| Parking brake rear cable and conduit bolts | 28-37 ft.lbs. |