Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Intake | ||||
| One CYL | 7.4 | 5.3 | B | Includes: R&R Valve Cover. |
| All Cyls | 8.2 | 5.7 | B | Includes: R&R Valve Cover. |
| Exhaust | ||||
| One CYL | 7.4 | 5.3 | B | Includes: R&R Valve Cover. |
| All Cyls | 8.0 | 5.7 | B | Includes: R&R Valve Cover. |
| Both | ||||
| One CYL | 8.0 | 5.5 | B | Includes: R&R Valve Cover. |
| All Cyls | 10.0 | 7.1 | B | Includes: R&R Valve Cover. |
| Note | ||||
| With AC, Add | 0.2 | 0.1 | B | |
| With PS, Add | 0.2 | 0.1 | B |