Air Injection Hose/Tube: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Primary Air Delivery Pipe | ||||
| To VIN 667828 | 2.7 | 1.9 | B | |
| From VIN 667829 | 2.9 | 2.1 | B | |
| Secondary Air Delivery Pipe | ||||
| To VIN 667828 | 2.1 | 1.5 | B | |
| From VIN 667829 | 1.5 | 1.1 | B | |
| Front Manifold Air Delivery Pipe | 0.5 | 0.3 | B | |
| Rear Manifold Air Delivery Pipe | ||||
| To VIN 667828 | 1.4 | 1.0 | B | |
| From VIN 667829 | 0.7 | 0.4 | B |