Backing Plate: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Without Rear Disc | ||||
| One Side | ||||
| Demountable Drum | 1.6 | 1.2 | B | |
| Non-Demountable Drum | 2.0 | 1.4 | B | |
| Both Sides | ||||
| Demountable Drum | 2.4 | 1.7 | B | |
| Non-Demountable Drum | 3.5 | 2.5 | B | |
| NOTE | ||||
| With Dual Wheels, Add | ||||
| One Side | 0.2 | 0.1 | B |