Heater Core: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Auxiliary Heater | 1.0 | 0.0 | B | |
| Main Heater | ||||
| With A/C | 1.4 | 0.9 | B | |
| Without A/C | 1.9 | 1.3 | B |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Auxiliary Heater | 1.0 | 0.0 | B | |
| Main Heater | ||||
| With A/C | 1.4 | 0.9 | B | |
| Without A/C | 1.9 | 1.3 | B |