Heater Stuck on Hottest Setting Due to Broken Heater Blend Door on Ford Explorer
Problem overview
A failed heater blend door or actuator can cause the temperature control for the HVAC system to stop working. A clicking sound from the dash area would commonly indicate an actuator fault. If the heater gets stuck on the hottest setting, the heater blend door may be broken requiring replacement of the heater box to repair the issue.
423 people reported this problem
188 commentsFord Explorer vehicles with this problem
22 model years affected
Average mileage: 111,763 miles
(30,000 - 300,000)
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