Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One Cylinder | ||||
| One Bank | 1.9 | 1.0 | B | |
| All Cylinders | ||||
| One Bank | 3.5 | 2.0 | B | |
| Both Banks | 6.1 | 4.2 | B | |
| Each Additional | 0.6 | 0.5 | B |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One Cylinder | ||||
| One Bank | 1.9 | 1.0 | B | |
| All Cylinders | ||||
| One Bank | 3.5 | 2.0 | B | |
| Both Banks | 6.1 | 4.2 | B | |
| Each Additional | 0.6 | 0.5 | B |