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Dodge Ram Climate Control

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  • I have 2003 Ram with low AC pressure. After reading some forums I found that the recycling door was broken and laying there. It took me only a few minutes to remove and now I have normal air pressure. Has anyone replaced one of these doors either new or fixing the old one. I have all the pieces to the old one.
  • Or I guess its called the blending door?? Anyway, above the fan behind the glove box.
  • I replaced the blend door on my 2004 with the HeatTreater door and it worked great. There are even youtube videos for assistance.
  • I've got a 2007 2500 Megacab Diesel (not the Blue Tec). Had my vehicle in long-term parking at George Bush International (Houston) for a week while on business. When I started the vehicle up I had no AC whatsoever. Tried all sorts of different settings (fan speeds, recirculate or not, etc.) for about 20 minutes on the drive home when I finally tried hitting the defrost button and magically cold air started coming out. For the rest of the trip home I was able to get cold air on whatever normal settings I chose (i.e. with the defrost button off)

    Unfortunately, that was the last time I've had any conditioned air. It does not appear to be a temperature control sensor type of thing as the air coming out of the vents is consistent with the temperature outside and/or how warm the engine block is.

    One other note, it does seem that the switches from the floor vents to the dash vents to the defrost vents by the windshield are a bit sluggish. During this time window, the response of the external temperature reading has also been very sluggish as if the corresponding electronics are not being properly supported by the alternator/batteries. Is it even remotely feasible that my AC issues could be related to a dying alternator or battery? Vehicle is ~ 4 years old so I'm nearing a time window wear battery failure is becoming more feasible.

    Thanks!
  • The blower fan under the dashboard of my 2003 Ram 2500 was working intermitently, regardless of whether or not it was on fresh air or recirculate. it would always turn on in the morning when the truck was first started. It would occassionally turn on as I was driving and it has recently stopped all together. I'm not sure if its the fan or the switch in the dash? Does anyone have any experience with this issue?
  • The problem is most likley the blower motor. I have 2002 ram 1500 4x4. I have had to replace mine. It would slow down & speed up as it was wearing out. I is easy to check get another one. Unplug wire from old one ( under glove box) Plug wire in new one see if it works. If it doe's three screws the old one out. Put blower cage on new one & reinstall. If it doe's not work. You know to check switch & take the old one back for refund without it being installed. ;)
  • I have a 2004 ram 2500. The problem I am having is the heater is stuck on dash- I cannot switch to defrost or floor heat. Has anyone determined what the problem is? Any help is greatly appreciated.

    Thanks,
    Bob
  • corkscrewcorkscrew Posts: 254
    Hi Bob,
    http://www.heatertreater.net/ This link will point you in the right direction.
    Corkscrew
  • Have a 2007 Dodge RAM 2500 Having intermittent function of climate controls. Blower is strong, heat and a/c fine. Switch from defrost to panel to floor is intermittent.

    Had truck running with the selector on defrost and pushed recirc button and it flashed three times and then the selector worked properly. Got heat back on the floor, mix, defrost, whatever.

    Worked fine for a couple of weeks, now not working properly again. Now can get the defrost on fine, panel vents fine, no floor heat

    Relay, hidden digital re-set? (used to have these on digital audio equipment)...

    Watched the "heater treater" videos and it looks like a nightmare to replace the deflectors behind the glove box to go from defrost to floor. In fact, they tell you probably not worth it for that particular deflector.

    The physical deflectors seem to be OK, just something screwy in the controls.

    Any possible electronic fix?

    Thanks.
  • misterg2,

    You need to check on the dodge website as this is a recall issue that they had. There is no time limit on them fixing it for free. My 2002 Ram 1500 Quad Cab had the same problem. It turns out to be that they undersized the ground wire contact and what happens is the heater fan (or AC) until the unit is used(especially on high) for long periods of time cause the connection to heat up and it loses contact and the blower will quit all together. You need to go to the website I will list below, put in your VIN # and check for all recalls on your exact vehicle. You will be surprised on what will come up. They used to send out the recalls to you in the mail once you bought a vehicle and registered it at the DMV when you licensed, but I didn't get any by mail on mine and had to look them up.

    Here is the Link to the site to check for recalls:
    If it doesn't come up as a clickable link, just copy and paste it into your web browser.

    http://www.dodge.com/webselfservice/dodge/index.jsp?screenName=recall

    SAFETY RECALL TO INSTALL A BLOWER MOTOR WIRING HARNESS
    Dear Dodge Ram 1500 Truck Owner:
    This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle
    Safety Act.
    DaimlerChrysler Corporation has determined that a defect, which relates to motor vehicle safety, exists
    in some 2002 model year Dodge Ram 1500 Pick-up Trucks.
    The problem is... The blower motor wiring on your Ram Truck (identified on the enclosed
    form) contains an undersized terminal. Localized heating from
    operating the blower on high speed may cause the terminal to relax and
    lose electrical contact. This can cause the blower motor to become
    inoperative. An inoperative blower motor will not defrost the windshield,
    which could obstruct the driver’s vision and result in an accident.
    What DaimlerChrysler
    and your dealer will
    do...
    DaimlerChrysler will repair your truck free of charge (parts and labor).
    To do this, your dealer will install a new blower motor wiring harness. The
    work will take about one hour to complete. However, additional time may
    be necessary depending on how dealer appointments are scheduled and
    processed.
    What you must do to
    ensure your safety...
    ! Simply contact your dealer right away to schedule a service
    appointment. Ask the dealer to hold the part for your vehicle or to order
    it before your appointment.
    ! Bring the enclosed form with you to your dealer. It identifies the
    required service to the dealer.
    If you need help... If you have questions or concerns which the dealer is unable to resolve,
    please contact the DaimlerChrysler Customer Assistance Center at
    1-800-853-1403. A representative will assist you.
  • My A/C only blows out the bottom of the dash, it also makes a popping sound. The temp and the airflow levels are correct. I appreciate any input.
  • I am having the same problem, my recirc door has broken off. I am interested in the aftermarket replacement that is easy to install and will give full functionality with metal components that won't break again like the plastic door. Can someone please tell me where to find it and any info on it's installation will be greatly appreciated. Thanks..
  • The replacement door is made by a company called heatertreater. I replaced my recirt door and it works great. There are some instructional videos on you tube.
  • I have a 04 2500 and am having intermitent issues with the blower motor. The blower motor will not work sometimes. If the truck does not start within a few seconds it will cause the blower motor not to work. I can push the A/C button with the fan switch off and it will stay on during the blower motor not working. If I turn fan switch and A/C switch off and let sit for a few minutes then turn it back on all starts to work fine. I have heard about a "black box" near steering column that could cause this. What is the purpose of this box? What do they call this box?
  • mrjon1mrjon1 Posts: 3
    edited October 2012
    My 1999 Dodge B3500 Van (40,000 miles) has stopped blowing air out of the center vents.
    when set to max a/c ... :(
    It blows out of defrost at idle and can be cold or hot depending on the temp dial setting.
    When moving down the road it switches to the floor vents automatically for a short while before going back to defrost.
    None of the dial positions seem to affect change except when moving it to defrost.
    I have read about many things that can go wrong, but can anyone get me zoned in on one specific area for this specific issue?
    Thanks
  • This problem is NOT the same as I had. My problem was related to 12 VDC power not getting to the panel. My problem was fixed by install of a new Ignition switch. The original was failing to close the power circuit to the blower. Your symptoms do not indicate the same problem. I hope this saves you taking that track to fix your problem. I can only give you a hint: Check the motor that controls the baffle deflector that controls where the wind blows. I recall that the plastic breaks on the hinge mechanism and it acts like you describe. I didn't look back to see how you got on my thread. I leave that up to you.
    cheers.
  • mrjon1mrjon1 Posts: 3
    I just went to the end of the discussion as posted, any idea of how I can start a new thread?
    Thanks
  • mrjon1mrjon1 Posts: 3
    No air at vents by mrjon1
    Oct 18, 2012 (6:07 pm)
    My 1999 Dodge B3500 Van (40,000 miles) has stopped blowing air out of the center vents.
    when set to max a/c ...
    It blows out of defrost at idle and can be cold or hot depending on the temp dial setting.
    When moving down the road it switches to the floor vents automatically for a short while before going back to defrost.
    None of the dial positions seem to affect change except when moving it to defrost.
    I have read about many things that can go wrong, but can anyone get me zoned in on one specific area for this specific issue?
    Thanks
  • Brand new to this site. How difficult is it to replace the climate control panel on a 2008 Dodge Ram? Does the complete dash need to be removed? Thanks
  • 2006 dodge ram 2500 annoying vibration bouncing oscillation when at no-pull cruise, 40-44 mph.
    I noticed this when I installed new Michelin LT tires at about $1,300. My tire dealer worked with me on this several attempts and found the carrier bearing rubber mount was broken. Replaced the carrier bearing with same problem. This is a fine tire dealer who had all all the high tech equipment and knowledge for using it for checking run-out, balance, wheel roundness, etc. Moved the tires wheel-to-wheel and position-to-position on the truck. Same problem.
    Last possibility: Took drive shaft to special shop and found it to be almost perfect. Shop out of ideas agreed to replace Michelin with equivalent Bridgestone LT tires. Guess what? Same problem with carefully balanced Bridgestones.
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