Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| All Cylinders | ||||
| One Bank | 1.4 | 1.1 | B | After Valve Cover Is Removed. |
| Both Banks | 3.0 | 2.2 | B | After Valve Cover Is Removed. |
| One Cylinder | 0.7 | 0.6 | B | After Valve Cover Is Removed. |