Chevy Blazer
Heater Cores and Blower Fans
Jeep Grand Cherokee Limited
Heating Ventilating and Air Conditioning

Your heater and air conditioner stopped cooling and heating the air all at once but the fan still blows strong Does anyone know what your problem details?



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Sounds like you have an internal heater box issue. Possibly one on the mode door motors quit or you have a broken door inside heater box. To access heater box, you have to remove entire dashboard assembly. This is not too simple of a task.