Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Without Prerunner | 23.8 | 16.7 | B | Includes: R&I Cylinder Head. |
| With Prerunner | 21.3 | 15.4 | B | Includes: R&I Cylinder Head. |
| NOTE | ||||
| With AC, Add | 0.1 | 0.1 | B |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Without Prerunner | 23.8 | 16.7 | B | Includes: R&I Cylinder Head. |
| With Prerunner | 21.3 | 15.4 | B | Includes: R&I Cylinder Head. |
| NOTE | ||||
| With AC, Add | 0.1 | 0.1 | B |