Heater Core: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Without AC | 8.3 | 5.9 | B | After Fresh-Air Distribution Box Is Removed On 928 Models Only. |
| With AC | 9.4 | 6.7 | B | After Fresh-Air Distribution Box Is Removed On 928 Models Only. |