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Old Oct 29, 2021 | 07:43 AM
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no heat/ac

New to the site and thanks in advance on any help. 2006 F350SD with 6.0. Coming home from work, AC just quit blowing cold air. Checked for power at clutch and had none so I checked fuses. All were good but replaced anyway. Replaced AC relay. Still no AC and while working on this problem I discover that the heat is not working. This truck has manual controls, all fan settings work, all selections work, i.e. defrost, floor, etc. Seems to be just outside air blowing through the vents. Starting to get cold here so I need to get fixed.
 
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Old Oct 29, 2021 | 09:39 AM
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Make sure your blend door is moving.
 
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Old Oct 29, 2021 | 12:35 PM
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...and while working on this problem I discover that the heat is not working.
And make sure you have HOT coolant flowing through the heater core.

 
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