Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| All Cylinders | ||||
| Front Bank | 11.8 | 8.4 | B | |
| Rear Bank | 12.7 | 8.9 | B | |
| Both Banks | 15.7 | 11.3 | B | |
| One Cylinder | ||||
| Front Bank | 10.8 | 7.8 | B | |
| Rear Bank | 11.8 | 8.3 | B | |
| Both Banks | 14.7 | 10.2 | B |