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Mikeybbb
Dodge Dakota
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5/28/2008
22:38:43
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 Subject: HELP asap!! HVAC Controls are bad?!?!
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Message:
Well the deal is, whenever I turn on my heat, it always blows out of the defrosters. no matter what I switch it to, it doesnt change. its not coming out of the front of the dash and not coming out on the floor. the top switch works fine which controls how hard it comes out.
i tried a new HVAC panel but it didnt work.
Its a 1998 Sport V6 btw.
Thanks
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Mikeybbb
Dodge Dakota
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5/28/2008
22:40:15
| RE: HELP asap!! HVAC Controls are bad?!?!
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Sorry for the double post!!!
I forgot to mention.. alot of people told me It could be the main door (flap) isnt opening. if thats the case, how do i access it? thanks
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well
Dodge Dakota
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5/28/2008
23:17:09
| RE: HELP asap!! HVAC Controls are bad?!?!
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sounds like a relay switch issue to me
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Mikeybbb
Dodge Dakota
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5/29/2008
16:47:26
| RE: HELP asap!! HVAC Controls are bad?!?!
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I got it all figured out. a vacuum line in the engine compartment was broke. thanks anyway
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Doug
Dodge Dakota
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5/29/2008
21:59:06
| RE: HELP asap!! HVAC Controls are bad?!?!
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Message:
This is too late to help Mikeybbb, but I'm gonna post it anyway for reference.
The actuators that control airflow and temperature are vacuum driven. When you lose vacuum to the controls, the default position is the windshield defrost position. So if all you get is air out the defrost ports and nowhere else, look for a vacuum leak.
Also, on my 2004 Dakota, and I presume, most if not all of that generation, the vacuum reserve bottle is under the cowl panel (the plastic panel just forward of the windshiels that the wiper shafts come out of), and is a royal pain just to get to.
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