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Go Back   South East Mopars Forum > Mopar Models > Dodge Ram Forum > 3RD Gen : 2002 - 2008 > Engine & Performance
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Old 12-08-2011, 09:35 AM   #1
 
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Default Heater not blowing hot
Didn't know exactly where to post this but anyways... My heat and ac don't work properly. I know my ac condenser fan is broke, so I know what's wrong with the ac... But the heater doesn't blow hot, only blows cold. With the controls set to heat, full blast or low... Nothing. I have a baby due in a little less than a month so I need to get this fixed ASAP! Any ideas?


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Old 12-08-2011, 10:18 AM   #2
 
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Start with checking the heater core...

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Old 12-08-2011, 02:37 PM   #3
 
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Blend door could be stuck also.


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Old 12-08-2011, 06:20 PM   #4
 
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Yup those two things!^^^^^


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Old 12-08-2011, 09:44 PM   #5
 
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i heard about the blend door.. i havent even popped the hood yet to take a look. where should i look? pics would be nice...


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Old 12-08-2011, 09:49 PM   #6
 
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Passenger floor board up under your dash, take off the blower motor and look up in there

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Old 12-17-2011, 06:58 PM   #7
 
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Is the blend door around the blower motor? I took the dash apart today and found 2 actuators, one for the cold-hot knob and the other for the vent control. Both of those work fine. And I took off my heater hoses and cleaned and flushed them. Forgot to flush the heater core while the hoses were off. But I'm gonna do that tomorrow. So how exactly do I get to the blend door to check it?


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Old 12-18-2011, 08:16 PM   #8
 
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I figured it out. It was a clogged heater core. Shot a hose through it to clean it out and heat works fine now. The blend doors were both working just fine.


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Old 12-18-2011, 08:21 PM   #9
 
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Awesome glad it was something simple


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Old 12-18-2011, 08:23 PM   #10
 
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could be the heater core


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