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Heat to A/C Issues

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Old 05-21-2013, 02:41 PM
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Heat to A/C Issues

My truck will not switch over from heat to air. I can set the settings to max a/c and on the cold from heat, and then the heat will kick on. Any suggestions?
 
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Old 05-21-2013, 03:00 PM
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See HVAC FAQs. Link is in signature below.

In the future, ALWAYS identify your vehicle.
 
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Old 05-21-2013, 04:13 PM
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97 ford f 150 4.6 8 cylinder
 
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Old 05-22-2013, 06:18 PM
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the "cold to hot" is controlled by an electric motor that moves a damper door to control the hot and cold air mixture... Is this the problem, air temp? Look up blend door - its broken. Under the radio, above the hump.
 
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Old 05-23-2013, 08:19 AM
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Ok thanks! I will be checking it this weekend.
 
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