Front Heater Core

1. Remove the front A/C unit.
2. Remove the front heater core from the front A/C unit.
3. Inspect for cracks, damage, and coolant leakage.
- If any problems are found, replace the front heater core.

4. Inspect for bent fins.
- If any are bent, use a flathead screwdriver to straighten them.

5. Verify that the front heater core inlet and outlet are not distorted or damaged.
- If they are distorted or damaged, repair them using pliers.