HEATER CORE INSPECTION

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1. Remove the A/C unit. (See A/C UNIT REMOVAL/INSTALLATION [L8, LF, L3, L3 Turbo].) (See A/C UNIT REMOVAL/INSTALLATION [MZR-CD (RF Turbo)].)

2. Remove the heater core from the A/C unit.

3. Inspect for cracks, damage, and coolant leakage.

• If any problems are found, replace the heater core.

4. Inspect for bent fins.

• If any are bent, use a flathead screwdriver to straighten them.

5. Verify that the heater core inlet and outlet pipe are not distorted or damaged.

• Repair with pliers if necessary.