Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One CYL | ||||
| Right Bank | 1.8 | 1.3 | B | |
| Left Bank | 1.7 | 1.2 | B | |
| Both Banks | 3.2 | 2.3 | B | |
| All Cyls | ||||
| Right Bank | 2.8 | 2.0 | B | |
| Left Bank | 2.7 | 1.9 | B | |
| Both Banks | 5.0 | 3.6 | B | |
| Note | ||||
| With C.C.C., Add | 0.4 | 0.2 | B |