Heat Shield: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Without California ENG | ||||
| Upper | 0.4 | 0.3 | C | |
| Lower | 1.3 | 0.9 | C | |
| With California ENG | ||||
| Upper | 0.5 | 0.4 | C | |
| Lower | 1.4 | 1.0 | C | |
| Muffler Heat Shield | ||||
| One | 0.6 | 0.5 | C | |
| Both | 0.8 | 0.7 | C | |
| Intermediate Heat Shield | 1.3 | 0.9 | C |