Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One Cylinder | 3.1 | 1.6 | B | Includes: R&R Valve Covers & Injectors. Cylinder Heads On Engine. |
| Each Additional | 0.5 | 0.3 | B | Includes: R&R Valve Covers & Injectors. Cylinder Heads On Engine. |
| Note | ||||
| With AC, Add | 0.5 | 0.3 | B | Includes: R&R Valve Covers & Injectors. Cylinder Heads On Engine. |
| One Cylinder, Each Bank | 3.9 | 2.4 | B | Includes: R&R Valve Covers & Injectors. Cylinder Heads On Engine. |