Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One Cylinder | ||||
| Right Bank | 2.3 | 1.2 | B | |
| Left Bank | 2.3 | 1.1 | B | |
| Both Banks | 3.3 | 2.1 | B | |
| All Cylinders | ||||
| Right Bank | 3.8 | 2.2 | B | |
| Left Bank | 3.8 | 2.1 | B | |
| Both Banks | 6.3 | 4.1 | B | |
| Each Additional | 0.5 | 0.4 | B |