Heater Core: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Main Heater | 0.9 | 0.7 | B | |
| Auxiliary Heater | 1.4 | 0.0 | B | |
| NOTE | ||||
| To Pressure Test Core, Add | 0.6 | 0.0 | B |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Main Heater | 0.9 | 0.7 | B | |
| Auxiliary Heater | 1.4 | 0.0 | B | |
| NOTE | ||||
| To Pressure Test Core, Add | 0.6 | 0.0 | B |