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After having the truck sit all night and finally starting it for the first time, usually during the heat of the day....when I turn the AC on, a loud "air bubble" sounds like it is going through the compressor and the truck shakes really hard for a moment, then the AC runs, somewhat normal. It hasn't always done this, it just started a few weeks ago. After having it happen about 15 times or so, it finally managed to break the little door in the venting that controls the flow.
Had that fixed, but lo and behold, the freon was down a little over a pound...conspiracy theory? Haha.
Needless to say, the problem only happens once a day, and it is usually only after I turn it on for the first time. It was explained that all of the freon drains into the bottom of the compressor and then turns to liquid???? Since liquid cannot be compressed, the sound I hear is actually the compressor "forcing the liquid" through the system? HUH? Anyways, anyone else having problems like this? Mike.
Opie
http://dodgeram.org/
http://dodgeram.info/tsb/index.html
http://dodgeram.info/tsb/1995-index.htm
http://dodgeram.info/tsb/1996/24-01-96a.htm
I bought my parts at O'Rielly Auto parts but any good parts store will have the needed parts on their "Accessories" aisle. Part#47149-vacuum check valve and part#47430-hose assortment.
Good Luck
Jim
Noel
Jim
i do have the same problem , truck is been at the dealer 4 time already the problem still there
warm air coming from passenger side
thank you
I would love to find a way to fix it myself...someone said it might be the thermostat in the heater core. Wish i could find a diagram, so far my searchs have come up with nothing, and hopefully one doesn't have to pull the dash to get at it. Can anyone help with a little more info on this?
thanks~~:)
doug
I don't know if you have fixed your problem or not yet, but if it's not the fuse, you may want to check and make sure your A/C condensor cooling fan is coming on. I have the same problem and after checking the voltage at the fan, (13.73v or so) the fan must be shot.
Just a thought!
Good luck!!!!
Thanks Again!
about a year ago i was driving home and the lights that come on to signal me that my AC is on or my outside defrosters are on flashed a few times then went out. at the same time the control knob that allows me to change where the air comes out stopped responding, along with the knob that controls heat. the blower switch still works, and the air blows out extremely hot, which is what the system was set to when it stopped responding. the air also blows out on the defrost/floor setting which is where it was when it stopped working.
i'm wondering if anybody else has come across this problem and if there's a fix. I checked the fuses in the box under the hood, couldnt find a box inside the truck to check. I really dont wanna pay a thousand dollars to have dodge tear apart my truck and fix this problem.
any help would be awesome.
also my infinity subs in the door went out about a year and a half ago. different forum i know, but i thought i'd include it in here too (got the nav version of radio head unit.)
Has anyone found a solution to this problem?
Thanks for any help.
But we have yet to find the problem. Though we did replace the control unit on the dash..that was easy.. And that was Not the problem.
We went to the dealer a couple of times, and one of the people over there said remove a fuse for a minute so whatever will reset itself?? Nope.. they were goofing on us! fun fun..
Asked at the dealer what it would take to fix it. They said $800+ because the blending door was stuck or broken, and the dash needs to be removed..Big JOb.. airbags, air-conditioning..etc.. sighhhhh... (What we don't understand is How can the blending door be stuck or broken if it does move from cold to full Hot position?)
I Wish someone who has actually fixed this problem would post a reply. It would be so helpful.. my boyfriend is about to tear the dash off. He thinks Dodge is aware of it being a problem and is trying to cover it up, cost too much to fix and is a huge liability. Then he heard some where on some other forum that the blending door was on back order... so they must be replacing a lot of them at owners expense.
Anyway any help would be Very helpful.. and if we find out anything we will also post it here. ~Thanks~
Regards
Corkscrew
Thanks Amy
Regards
Corkscrew
http://dodgeram.info/tsb/2002/24-004-02.htm
Regards
Corkscrew
I will keep ya posted.
I will keep this info so when we do start digging into the dash..which sounds tricky, but from the looks of all the troubles that can happen its good to know how to get in there to fix things. It says 2.3 hours to get at the blending door..but that's for someone who's done it many times..I'm thinking a couple of days! Plus better make sure the blending doors are not on back order. And then there are those scary airbags to deal with!
Is there any info on a temperature or heat sensor that would operate the blending doors smoothly. The door works, you can hear it going..ennn..ennn. ennnn... but it just goes from cold to all the way hot about midway up the dial. Is this TSB for the kind of trouble we're having then?
A mechanic at a station said Dealerships can just plug in the "body control module" to their own special computer and reset it. According to the Dealership there was no such thing...8 hours to fix it..$$$$.!!
So...so far the fix is for us...turn on the heat till its roasty toasty inside then shut it off..then on..then off..and since I'm the co-pilot, that's my job. That driver guy to my left..short of pulling the dash apart wants to install a cable operated hotwater control value in the heater hose! Like the old trucks had... so meanwhile.. on/off/on ....off... They really don't build these things to last do they.
Thanks again~~~~~~~ :lemon:
After disconecting the negative battery cable wait NO LESS THAN 2 minutes before proceding work. This will prevent air bag deployment ( capacitor discharge).
Regaards
Corkscrew
"There are 2 doors in the heater box. The directional door is the one that directs it to the defroster, vent or floor and that's working fine. But the blending door is blending the hot and cold air depending on what the control calls for. In 2002 Dodge Ram this door is controlled electronically..with an electric motor actuator (that ennn... ennn... ennn sound) while the directional door is still vacuum actuated (phussss....). We found out about this because we bought a dash control unit (thinking it would fix it) and the 2001 is different from the 2002 (old body style)
The blending door, the one that controls the hot and cold, moves from one extreme to the other and it won't stop in the proper mixing position. (I.e. warm)"
He suspects there is a resistor that senses heat from the engine and its in the electrical circuit.
Just wish we could find more info on this..a more detailed diagram..short of buying the dealership service manual for this truck.
and... I think the pilot has now decided to jury-rig it instead with the idea in the previous post.
kcram - Pickups Host
Thanks
Chris
1) developed a crack in the plastic tanks on my radiator, 2) blown a hole in my lower radiator hose (in which I went ahead and replaced the thermostat), 3) blown a hole in my upper radiator hose. Then my heater would only blow hot air for a couple of seconds and go cold. I drained my cooling system and took the hoses off that run to the heater core. I ran a water through from a water hose it thinking that it may be clogged. Well after I done that it worked really good for about 3 days and now it will only blow hot air from the right side of the truck. Has anyone had similar issues or know how to fix this?
Thanks Louie
This last 2 months have been a real challange,after changing the duct door again we found that the passenger side was warm and the driver side was not.The dealer worked really well with us and found that the heater core was plugged with grit.(no idea where the grit came from),we changed the core and it plugged again within a few days,then we changed the rad and re flushed(it was flushed when the core was changed as well).I'm told that the grit is the dried residue from antifreeze jelling????I have the truck back on the road but not long enough to know if it is fixed.I enjoy driving this truck,it's the only vehicle I've ever owned that never has a squeaky or rattling dash(it was reassembled every fall)The truck has 200,000km on and has never had a mechanical issue only heat issues.
1 http://dodgeram.info/tsb/2003/24-004-03.htm
2 http://dodgeram.info/tsb/2002/24-004-02.htm
Regards
Corkscrew
Anyone else with this problem?