help, please

cwatson · Mar 25, 2012

I have a 2009 Dodge Ram. Recently, I will hear a loud knocking noise behind the dash and my air conditioner and heater will ONLY blow out at the feet! Does anybody know where I need to start with this issue, or have experienced this themselves? With the TX summer around the corner, I need to get this thing taken care of.

Thank you!

MADDOG · Mar 25, 2012

Yes, it's a common failure. The HVAC blend door and/or motor is starting to fail.

1500ram12 · Mar 25, 2012

my thoughts exactly

quietpeen · Mar 27, 2012

Do you have any warranty left ? If it is the blend door I think the dash has to cOme out to get to it

jake09 · Mar 27, 2012

Blend door activator needs to be replaced

reefguy89 · Mar 27, 2012

wtf this is a problem on the 4th gens to. Shouldnt dodge have came out with a better design by now.

shadango · Mar 28, 2012

I was thinking the same thing.....I know the blend door issue was a common problem on durangos//dakotas too, (like my 2003 Durango I traded in)

The power wires for the blower were also common trouble areas.....melting at the blower plug. Wonder if that is an issue on the 4th gen rams too?

Drew78 · Dec 29, 2012

I know this is an old thread but my truck just started this this morning and was wondering if this is an easy fix and/or a cheap fix. Thanks

Jeepkid · Jan 14, 2013

My truck just started blowing cold air on my feet this morning and with it being 25 degrees out this isnt gonna pass.

Is this a warranty thing? ive got an appointment with the dealer wednesday to get this looked at and i wont be payng to have them check it when i know whats wrong.

ramhunter9 · Jan 14, 2013

Replace the t-stat

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Jeepkid · Jan 14, 2013

ramhunter9 said:
Replace the t-stat

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Are you talking about the one in the engine under the hood? how could that cause this?

ramhunter9 · Jan 14, 2013

If you are not getting any heat anywhere it's the t-stat. And yes it's under the hood. Easy to change drain some coolant. There is a shut off valve under the radiator driver side. Drain it in a clean bucket. Drain just enough that the radiator hose holds zero fluid. Take off the 2 screws at the end of the hose going to the block. Inside is the t-stat. Replace with a 15 dollar napa gold stat. Put all back together and put the fluid back in the radiator.

Now this is only if you are getting zero heat. Meaning the stat is not opening and closing like it should.

Had to do this a time or two in my old rams b

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Jeepkid · Jan 14, 2013

He says his is blowing cold on feet. mine does the same thing but wont switch to any other setting

ramhunter9 · Jan 14, 2013

Then your screwed. See above post.

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partsguy · Jan 15, 2013

if its an 09 you may have an open recall for the acutators and a flash for the ac control head. call a dealer with your vin or in box me and i may be able to find out for you

99RamSport360 · Jan 15, 2013

Ram - Dodge

This is a company who made a DIY kit for the HVAC blender door problem, all you have to do is cut a slot, pull out the old one, put in the new one, and seal it back up.

The new door is all metal and has a metal hinge, so you don't have to worry about it warping or the hinge breaking. They have kits for 2nd and 3rd gens. (link above)

help, please

cwatson

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