Timing Chain Guide: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 911 | ||||
| Cylinder Bank 1 Thru 3 | 4.6 | 3.3 | B | Does Not Include: R&I Engine. |
| Cylinder Bank 4 Thru 6 | 5.2 | 3.6 | B | Does Not Include: R&I Engine. |
| Both Banks | 8.0 | 5.5 | B | Does Not Include: R&I Engine. |