Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One Cylinder | ||||
| One Bank | 0.4 | 0.3 | B | After Cylinder Head Is Removed. |
| Both Banks | 1.0 | 0.8 | B | After Cylinder Head Is Removed. |
| All Cylinders | ||||
| One Bank | 0.7 | 0.5 | B | After Cylinder Head Is Removed. |
| Both Banks | 1.4 | 1.1 | B | After Cylinder Head Is Removed. |