Timing Chain Tensioner: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 911 | ||||
| Cam to Cam | ||||
| Cylinder Bank 1 Thru 3 | ||||
| Without AC | 9.1 | 6.6 | B | |
| With AC | 10.1 | 7.3 | B | |
| Cylinder Bank 4 Thru 6 | ||||
| Without AC | 9.1 | 6.2 | B | |
| With AC | 9.1 | 6.7 | B | |
| Both Banks | ||||
| Without AC | 15.1 | 10.7 | B | |
| With AC | 16.1 | 11.5 | B | |
| Crank to Intermediate | 0.9 | 0.7 | B |