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heater & air conditioner problem

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Old Oct 31, 2021 | 3:30 PM
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jjacobson
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Default heater & air conditioner problem
2009 Silverado 4X4, small V8

Heater is always on ... air conditioner only blows hot air, ( all settings )

Fan works on all speeds. Do I just need a climate control module ?

Thanks
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Old Nov 1, 2021 | 9:52 AM
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oldchevy
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Welcome from Florida. Your blend door actuator might be stuck in the heat position. Check this before doing anything with the module. Also make sure your compressor turns on.
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Old Nov 1, 2021 | 11:01 AM
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jjacobson
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Thank you oldchevy

So should I just buy a new actuator or is there a way to repair/calibrate original actuator ?

Thanks
Jim
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