Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One Cylinder | 2.9 | 2.1 | B | After Valve Covers Are Removed. |
| All Cylinders | ||||
| One Bank | 3.8 | 2.7 | B | After Valve Covers Are Removed. |
| Both Banks | 5.2 | 3.8 | B | After Valve Covers Are Removed. |