Rear Heater Core Inspection

Inspect for cracks, damage, and coolant leakage.
- If any are found, replace the rear heater core.
Inspect for bent fins.
- If any are bent, use a flathead screwdriver to straighten them.
Verify that the rear heater core inlet and outlet are not distorted or damaged.
- If they are distorted or damaged, repair then using pliers.