Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One CYL | ||||
| Right Bank | 2.1 | 1.6 | B | |
| Left Bank | 2.1 | 1.4 | B | |
| Both Banks | 3.5 | 2.4 | B | |
| Each Additional | 0.2 | 0.1 | B | |
| All Cyls | ||||
| Right Bank | 2.8 | 2.2 | B | |
| Left Bank | 2.8 | 2.0 | B | |
| Both Banks | 5.4 | 3.9 | B |