Heater Core: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| With A/C | 1.2 | 0.8 | B | Does Not Include: System Charge. |
| Without A/C | 1.6 | 1.1 | B | Does Not Include: System Charge. |
| Note | ||||
| To Pressure Test Core, Add | 0.4 | 0.2 | B | Does Not Include: System Charge. |
| To Replace Heater Hoses, Add | ||||
| One | 0.2 | 0.1 | B | Does Not Include: System Charge. |
| Both | 0.3 | 0.2 | B | Does Not Include: System Charge. |