mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Front Heater Core|Page 3691 > < Evaporator Temperature Sensor / Switch|Testing and Inspection|Page 3686
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Heater Core Case: Testing and Inspection
Front Heater Core

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

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

2. Inspect for bent fins.

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

3. Verify that the front heater core inlet and outlet are not distorted or damaged.

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If they are distorted or damaged, repair them using pliers.

Front Heater Core|Page 3691 > < Evaporator Temperature Sensor / Switch|Testing and Inspection|Page 3686