Save Like clemsonteg · #9 · Dec 19, 2010 haf2race said: flushed heater core and now heats good 120 degrees. Ram Year 2014 Engine 6. Open each one while the system is pressurized and let Air escape until some Coolant escapes. In cold weather (-25C or colder) it blows no heat. It has been damn cold out (like -10 to -30) recently but the absolute hottest the coolant temp gets is 170 (most of the time its running between 150 and 165) and it takes a LONG time to get up to that temp. 0 % 31 % of the time its the Heater Blower Motor 0 % 24 % of the time its the Thermostat 0 % 18 % of the time its the Heater Blower Motor Resistor 0 % 27 % of the time its. I have a 2015 Ram 2500 with dual zone climate, and I noticed yesterday when it was a blistering 12 outside, that the heat coming out on the passenger side is warm and the driver’s side is cold air. Now on that second call with the air blowing now but now hot doesnt make sense especially since it was cold before just no airflow. As for the cold air I would say there is only 2 things that cause this. If that doesnt do the trick a real flush, not just this drain/refill a lot of places call a flush would be the next step. Asked by Ram1500_2012 Dec 12, 2016 at 06:33 PM about the 2012 RAM 1500. 7, when I turn the heat on it literally blows as cold as ACI needed heat to defog the windshield and it only made it worse. Heater core can be partially clogged. Coolant temp was bouncing between 185-210. both feed and return lines are hot. 7 was blowing cool air, so cleaned out my heater core, replaced my thermostat, and clean and replaced radiator fluid. As for the cold air I would say there is only 2 things that cause this. Compatibility: See compatible vehicles Price: US $69. If the neither hose has any heat, you may have air in the cooling system, low fluid, or low pressure. A clogged heater core can reduce the flow of hot coolant, causing cold air to be blown from the vents. HEATER BLOWS HOT AT IDLE COLD WHEN DRIVING. If your Dodge Ram 2500 heater is blowing cold air, there are a few things that could be causing the problem. Mark helpful Looking for a Used 2500 in your area? CarGurus has 32,664 nationwide 2500 listings starting at $4,900. I have a Dodge Ram 1500, I have changed the heater core, radiator, the water pump, and the thermostat. Ram Year 2014 Engine Cummins 6. HEATER PROBLEMS DODGE, JEEP, CHRYSLER, RAM, FIAT, ALFA ROMEO, LANCIAIn this video we will show you what. 2013 Dodge Ram 2500 Diesel. The next most likely problem is that there is a blower motor failure. If you think your coolant levels might be low, check the reservoir and add more if needed. CAR BLOWS HOT AIR ON ONE SIDE COLD ON THE OTHER SIDE. Ram Year 2012 Engine 5. Ram Air Conditioning Problems. I turn the dial to front instead of dash and it blows snow out on high speeds. It stays cold when the engine is cold which creates a shorter coolant circulation path. 2013 Dodge Ram 2500 Diesel. Take off the coolant tank cap and fill it with coolant to the proper level. Advertisement It was a simple fix. com>Dodge Ram 2500 Heater Is Not Working. There are two hoses coming to and from the heater core. Dodge Ram 1500 problem with AC and heater blowing out 1 side. HEATER BLOWS HOT AT IDLE COLD WHEN …. My 2012 dodge ram 1500 is a base model truck. The last thing that may be the cause of an AC problem is the blend door. The blend door works, checked - Answered by a verified Dodge Mechanic. Top Answer. Symptoms: at -20f or colder, after warm up, at idle with heat on max, pulling in outside air, the truck blows cold air out of all driver side vents and hot, hot air out of passenger side vents. A clogged heater core can reduce the flow of hot coolant, causing cold air to be blown from the vents. Luckily, if you follow the steps below, you can do this at home without spending a dime. I have a 2008 ram 2500 6. Hello,I have been having some issues with my heat. Dodge Ram Heater Not Blowing Hot Air: Causes & Fixes. !!!!!!! CLICK SHOW MORE FOR RESOURCES !!!!!!! Sometimes you eliminate one problem to discover another. Next, check the heater core to see if it is clogged. So your first step in diagnosing a blows cold one side, hot on other side condition is to operate each temperature control to see which side changes temperature. Why is my 2013 dodge Ram climate control not working?. 2014 Dodge Ram 2500 has no heat I’ve changed a couple of the…>2014 Dodge Ram 2500 has no heat I’ve changed a couple of the…. Restarting the HVAC system is the quickest and easiest fix. Dodge Ram Climate Control Reset. As most of the country we got really cold & once again my heater was not blowing hot air. One of the most likely reasons that Your climate control is not working is because there is a blown fuse somewhere in the HVAC system. 2014 Dodge Ram 2500 has no heat I’ve changed a couple of the…. 2014 dodge ram 2500 with a 6. CHECK FOR LOW COOLANT,NOT ENOUGH COOLANT IN THE SYSTEM. 2014 ram 2500 SLT heater doesnt heat. Homestead Troubles: Truck Heater Blows Cold AirLets Fix. SOLVED: Heater blows luke warm air in dodge diesel and can. 2014 Ram 2500 Heater Blowing ColdThis morning not blowing cold. My truck is blowing cold air when I ask for heat. Ram Year 2014 Engine 6. First, check the thermostat to see if it is set to the correct temperature. If your Dodge Ram 2500 heater is blowing cold air, there are a few things that could be causing the problem. Customer: 2014 Ram 2500 5. I checked the following, There is no coolant smell/carpet is dry. 2014-2018 DODGE RAM 1500 DASHBOARD HVAC AC CLIMATE HEATER BLOWER FAN MOTOR OEM Item Information Condition: UsedUsed “SEE PHOTO FOR CONDITION. Plugged heater core and both hoses are equally hot. It could be for the compressor or blowers. 7 I have developed a problem this year with very little heat on the driver side. Then when you stop, the temp will drop like 5 or 10 degrees fairly fast. bxRcamQF0kaz0TMBwRDs- referrerpolicy=origin target=_blank>See full list on truckguider. THERMOSTAT NEED CHANGING STUCK OPEN. The dealer ship has replaced my thermostat, cold. 2014 dodge ram 2500 with a 6. The refrigerant then goes to the evaporator, which absorbs heat from the liquid refrigerant, reduces the temperature to about -32℃, and transforms it into a gas. Heater blows cold air. In some cases, the heater control valve may also cause the engine to overheat. Question type: Maintenance & Repair. What is the normal coolant temp?>6. I take a stab at troubleshooting our truck heater that blows cold. In case your coolant is low, it can cause your heater to stop working. Ram, no air flow from vents, I can hear…>I have a 2015 3500 Ram, no air flow from vents, I can hear…. Dodge Ram Air Conditioning Problems. If the coolant level drops as the thermostat opens, then top it up to the proper level. All actuator doors are working. HEATER BLOWS HOT AT IDLE COLD WHEN DRIVING DEMONSTRATED ON DODGE World Mechanics 267K subscribers Subscribe 19K views 4 years ago Fiat Freemont Repair Videos HEATER BLOWS HOT AT IDLE. This test also proves out the HVAC controller. or colder) it blows no heat. the heater fan is able to extract all or most of the heat and it blows cold, then as the flow increase with the engine speed the coolant doesnt have as much time to cool down as it passes through the heater core so you start getting hot. Warranty applies to parts that ” Read more Compatibility: See compatible vehicles Price: US $85. Faulty thermostat The vehicles thermostat is a valve in the cooling system. No matter which is selected, defrost, lower, etc the majority of air is from there. PLEASE HELP! My pregnant wife drives this vehicle. Step 1 - A heater cannot operate unless the engine is full of coolant/antifreeze. Heater blows cold air. Make sure you have coolant flow throughout the system. When the coolant flow is low, the heater fan is able to extract all or most of the heat and it blows cold, then as the flow increase with the engine speed the coolant doesnt have as much time to cool down as it passes through the heater core so you start getting hot air. 2014 Dodge Ram 2500 has no heat I’ve changed a couple of the blend door actuators but that didn’t help, it works fine when it’s warm outside but when it’s freezing cold as it is now there’s absolutely no heat, I also changed the A/C and heat head module I believe it’s called. HEATER BLOWS HOT AT IDLE COLD WHEN DRIVING DEMONSTRATED ON DODGE World Mechanics 267K subscribers Subscribe 19K views 4 years ago Fiat Freemont Repair Videos HEATER. Low coolant or air in the cooling system. 2013 Dodge Ram 2500 Diesel. If I throttle up to about 1100-1500 rpm the air warms up, within 30-60 seconds of letting off the throttle the temp the driver side air temp drops again. The most common reasons a Dodge Ram 2500 heater isnt working are a broken heater blower motor, a problem with the thermostat, or a failed heater blower. Dodge Ram 1500 problem with AC and heater blowing out 1 side. 7L Cummins lost heat over a period of time. Mechanics Assistant: Have you checked to make sure the thermostat is working? What about the coolant level? Coolant level is fine. 2014 ram 2500 SLT heater doesnt heat. Step 1: Turn your fan to the lowest possible setting. Dodge Ram 2500 Heater Is Not Working. Ram Year 2012 Engine 5. My 2012 dodge ram 1500 is a base model truck. I have a Dodge Ram 1500, I have changed the heater core, radiator, the water pump, and the thermostat. The most common reasons a Dodge Ram 2500 heater isnt working are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor. Because if a heater is functional and working properly it should be colder on one hose. Heater Blowing Cold Air :(16585 Views 12 Replies 10 Participants Last post by ATOMBOMB, Add to quote; Share Only show this user. This commonly happens when the evaporator gets corroded, which leads to the seals breaking, eventually causing it to fail to evaporate the coolant properly. If both hoses are the same temp and hot to the touch then it is likely that the temperature actuator located under the dash on the heater box has to be replaced to resolve this issue. Heater blows luke warm air in dodge diesel and can >SOLVED: Heater blows luke warm air in dodge diesel and can. Heat dont work and It also wont changed where the air goes, I will turn. How Do I Know If My Dodge Ram Heater Control Valve Is Working? AUTOSAVER88 Radiator Compatible with Dodge Ram 3500 2500 1500 Laramie ST SLT 3. i have a 2014 6. 4L gas and sometimes it will blow hot and cold air and other times it wont what is the prolbem and what should i do 28 people found this helpful. 99 Buy It Now 2014-2018 DODGE RAM 1500 DASHBOARD HVAC AC CLIMATE HEATER BLOWER FAN MOTOR OEM. 2014 3500 with 247,000 miles blowing cold air on drivers side and luke warm on passenger. Dodge Ram Air Conditioning Problems – Common Causes and Solutions. I would find it hard to believe that the heater core is already plugged up. If the coolant level drops too low, the vehicle’s heater core will not get enough warmed coolant through which it will produce heat. Faulty thermostat The vehicle’s thermostat is a valve in the cooling system. My husband told me that if the water/anti-freeze isnt circulating that it will turn on but blow cold because it is not actually reaching the heater core. Vent blows cold one side, hot on other side. I take a stab at troubleshooting our truck heater that blows cold. 7 I have developed a problem this year with very little heat on the driver side. If your Dodge Ram 2500 heater is blowing cold air, there are a few things that could be causing the problem. But that is probably the cheapest thing to change first. Ram 1500 problem with AC and heater blowing. 2014 Dodge Ram 2500 has no heat I’ve changed a couple of the blend door actuators but that didn’t help, it works fine when it’s warm outside but when it’s freezing cold as it is now there’s absolutely no heat, I also changed the A/C and heat head module I believe it’s called. If your Dodge Ram 2500 heater is blowing cold air, there are a few things that could be causing the problem. The most common cause of a Dodge Ram heater blowing cold air is a clogged heater core. IF ALL HOSES HOT AND BOTH HEATER CORES HOSES GOING INTO FIREWALL IS HOT. Other causes include low coolant levels, a failing thermostat, or a damaged blower motor. if the coolant level should drop as the thermostat opens, top it up as necessary. com/_ylt=AwrFGMjyTlVkSKQTzGFXNyoA;_ylu=Y29sbwNiZjEEcG9zAzMEdnRpZAMEc2VjA3Ny/RV=2/RE=1683341170/RO=10/RU=https%3a%2f%2ftruckguider. You must log in or register to reply here. I take a stab at troubleshooting our truck heater that blows cold. If your Dodge Ram isn’t blowing any cold air while your air conditioner is on, it’s probably the evaporator that is faulty. While driving the airflow is redirected (noticed by change of blower noise), and cold air begins to flow. Bad stepper motor or damaged stepper motor shaft (heater treater) 2. 2013 ram heater not working. As most of the country we got really cold & once again my heater was not blowing hot air. To reset all HVAC doors travels: With blower on low, Press and hold the recirc button for ten seconds, release the button and then press it again and hold until the recirc light flashes. start the engine with cap still open and let the engine idle for a few minutes. Question type: Maintenance & Repair. AC HEATER BLOWS HOT ON DRIVER SIDE COLD ON PASSENGER SIDEIf the ac or heater is blowing hot on the driver side and cold on passenger side or blows cold on th. Ram 2500 Heavy Duty heater not working. Heat on Passenger side and zero heat on Driver side. If this happens, you will need to. 7 As crash68 asked are coolant hoses hot, do you smell antifreeze or see any leaks. HEATER PROBLEMS DODGE, JEEP, CHRYSLER, RAM Auto Repair Guys 745K subscribers Subscribe 306K views 3 years ago CAR BLOWS HOT AIR ON ONE. The most common reasons a Dodge Ram 2500 heater isnt working are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor. Step 2: Hold down the climate control/conditioning button for 10 seconds. Heater blows cold air. HEATER PROBLEMS DODGE, JEEP, CHRYSLER, RAM Auto Repair Guys 745K subscribers Subscribe 306K views 3 years ago CAR BLOWS HOT AIR ON ONE. I also did the wifes Durango which wasnt heating good either. My ram 2014 2500 diesel 6. Now hers is 134 degrees coming from the vents. This occurs five, 10, 12 minutes into driving; no regular timing pattern. The heater may stop working in Ram 2500 Heavy Duty due to low coolant level or air in the cooling system, clogged heater core, bad thermostat, faulty blend door actuator, bad water pump, dirty cabin air filter, bad blower motor, or HVAC control unit malfunction. Sep 29, 2015 #2 SilverStreak88 Senior Member Joined Jul 20, 2015 Posts 3,950 Reaction score 1,606 Location Houston, Texas Ram Year 2007 Engine 5. Passenger air is warm but not hot. Truck is a 2016 2500 with just over 50k on the 6. The dealer ship has replaced my thermostat, cold hot dial, and my heating core. 2014 Dodge Ram 1500 Heater AC Blower Motor OEM 116K Miles (LKQ~334030544) Condition: Used “This used item comes with a 6 Month Warranty (Parts ONLY - NO Labor). If one is much colder than the other then the heater core needs to be flushed out or replaced to resolve this issue. Low coolant, bad heater core, bad temp sensor, bad thermostat and air in the system. The most common reasons a Dodge Ram 2500 heater isnt working are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor. Step 2: Hold down the climate control/conditioning button for 10 seconds. Next, check the heater core to see if it is clogged. When the coolant flow is low, the heater fan is able to extract all or most of the heat and it blows cold, then as the flow increase with the engine speed the coolant doesnt have as much time to cool down as it passes through the heater core so you start getting hot air. Heater blowing cold, doesnt get hot. They both should feel warm or hot to the touch with the engine on. especially in cold weather. I replaced the heater core last. I’ve been reading some posts and some say it’s the heater core and others are saying it’s the blend door. First they said it wouldnt come out of the vents, and now its not blowing warm air from any of the dash, defrost, or floor ve … read more. Now on that second call with the air blowing now but now hot doesnt make sense especially since it was cold before just no airflow. 2014 Dodge Ram 2500 has no heat I’ve changed a couple of the blend door actuators but that didn’t help, it works fine when it’s warm outside but when it’s freezing cold as it is now there’s absolutely no heat, I also changed the A/C and heat head module I believe it’s called. Remember that the system MUST BE PRESSURIZED to accomplish the Bleeding of Air. Use an infrared temp gun and check both hoses at the heater core. 2014 ram 2500 SLT heater doesnt heat. A clogged heater core can reduce the flow of hot coolant, causing cold air to be blown from the vents. Set the heater to its max settings. To reset all HVAC doors travels: With blower on low, Press and hold the recirc button for ten seconds, release the button and then press it again and hold until the recirc light flashes. Leave the cap open, then start the engine and let it idle for a few minutes. Ram No Heat: How the Heater Works At the simplest level possible, the heater works by passing hot coolant from the engine into a tiny radiator called the heater core. It could be for the compressor or blowers. instead of dash and it blows snow out on high. Also the same on the bilevel or dash vents. The actuator that changes temperature is good, the actuator that doesn’t is bad. See more Reply Save Like KyCoalCummins. Finally, check the fuse box to see if the fuse for the heater is blown. when the engine is fully warmed up, …. Pulled panel box down to ensure panel door were not broken. I have a Dodge Ram 1500, I have changed the heater core, radiator, the water pump, and the thermostat. If the coolant level drops too low, the vehicle’s heater core will not get enough warmed coolant through which it will produce heat. Heat works fine. And that’s it! When you complete these steps, the climate control system in your Dodge Ram should be reset. Fan blows air, just not cold. Similar threads No cab heat Dodgeguy44. flushed heater core and now heats good 120 degrees. Ram Year 2014 Engine Cummins 6. How to fix a Dodge Ram heater issue/fix. 2014 Dodge Ram 2500 has no heat I’ve changed a couple of the blend door actuators but that didn’t help, it works fine when it’s warm outside but when it’s freezing cold as it is now there’s absolutely no heat, I also changed the A/C and heat head module I believe it’s called. As the gas cools, a fan blows air over the evaporator, causing the air to cool, and is blown into the car to keep it cool. AC HEATER BLOWS HOT ON DRIVER SIDE COLD ON. My vents are stuck blowing from the ones in the upper part of the dash. Here are the symptoms: Start up truck,either with key or remote to warm up engine and turn up the heater. solution: set the heater to its maximum setting, remove the coolant tank cap and fill it to the proper level. this should bleed off the air bubble. Mark helpful Looking for a Used 2500 in your area?. 4L gas and sometimes it will blow hot and cold air and other times it wont what is the prolbem and what should i do 28 people found this helpful. The heater may stop working in Ram 2500 Heavy Duty due to low coolant level or air in the cooling system, clogged heater core, bad thermostat, faulty blend door actuator, bad water pump, dirty cabin air filter, bad blower motor, or HVAC control unit malfunction. Sometimes it may be necessary to loosen a Heater Hose and bleed the air at that point. 2004 no heat only blows cold air. 14418 Views 10 Replies 5 Participants Last post by Jhenderson , Nov 11, 2020 J jtiinspect Discussion Starter · Nov. !!!!! CLICK SHOW MORE FOR RESOURCES !!!!! Sometimes you eliminate one problem to disc. or colder) it blows no heat. 2014 ram 2500 SLT heater doesnt heat. Heater Blows Cold Air!!!!?????. Ram Climate Control Reset. As for the cold air I would say there is only 2 things that cause this. The dealer ship has replaced my thermostat, cold hot dial, and my heating core. The blend door works, checked that. Cold Air Driver Side, Hot Air Passenger Side. Today was 0 degrees on my way to work and think I may need to work on this sooner rather than later. With the heater on check both hoses. Cold air only on driver side all vents. Vents switch to all settings without issue. Maintenance & Repair 2013 RAM 1500 ST Crew Cab 4WD Maintenance & Repair 2014 RAM 1500 Tradesman RWD - Maintenance & Repair 4 Answers. 7 See this is older but I too am having the same issues. As most of the country we got really cold & once again my heater was not blowing hot air. If the coolant level drops too low, the vehicles heater core will not get enough warmed coolant through which it will produce heat. I have a 2015 Ram 2500 with dual zone climate, and I noticed yesterday when it was a blistering 12 outside, that the heat coming out on the passenger side is warm and the driver’s side is cold air. I would think that they should fix this part of the problem on their dime especially since the compressor was working fine when you dropped it off. Hello,I have been having some issues with my heat. There are two hoses coming to and from the heater core. Because if a heater is functional and working properly it should be colder on one hose. the doors will all go through thier travels and reprogram the actuators. The most common cause of a Dodge Ram heater blowing cold air is a clogged heater core. 2013 Dodge Ram 2500 Diesel. In cold weather (-25C. CAR BLOWS HOT AIR ON ONE SIDE COLD ON THE OTHER SIDE. Replacing the heater core shouldnt have effect the t-stat unless who ever did it drains the coolant via the lower hose instead of using the drain plug on the rad. This should clear out any air bubbles. 2014 Dodge Ram 2500 has no heat Ive changed a couple of the blend door actuators but that didnt help, it works fine when its warm outside but when its freezing cold as it is now theres absolutely no heat, I also changed the A/C and heat head module I believe its called. CHECK FOR LOW COOLANT,NOT ENOUGH COOLANT IN THE SYSTEM. i have a 2014 6. If I say go to defrost a TINY bit of air will come out of there but not much, getting really annoying defrosting the window it takes forever. com%2fdodge-ram-heater-blowing-cold-air%2f/RK=2/RS=YQm. Run the engine until it hits full operating temperature. Finally, check the fuse box to see if the fuse for the heater is blown. If one of the hoses is hot, and the other one is cold, that is a pretty good indication that the heater core is clogged. Last year I flushed heater core and seemed like I gained a little heat. 2014 Dodge Ram 1500 Heater AC Blower Motor OEM 142K Miles (LKQ~348384095) Condition: Used “This used item comes with a 6 Month Warranty (Parts ONLY - NO Labor). When there is a problem with the climate control in Your 2013 Dodge Ram there are a few different things that could be causing it. If the heat is blowing, but blowing cold, it has something to do with the coolant getting to the heater core, or the heater core itself. HEATER DOOR NOT OPEN ALL THE WAY OR STUCK. Dodge Ram 2500 Heater Problems. The most common cause of a Dodge Ram heater blowing cold air is a clogged heater core. If one of the hoses is hot, and the other. Truck is a 2016 2500. Low coolant or air in the cooling system. Heater 2014 Ram 2500 Cummins diesel. Usually a blower motor resistor will be the first thing to fail before the actual fan assembly breaks. whats up people !! Had a Problem with my Dodge Ram heat not getting hot. Open each one while the system is pressurized and let Air escape until some Coolant escapes. AC HEATER BLOWS HOT ON DRIVER SIDE COLD ON PASSENGER SIDEIf the ac or heater is blowing hot on the driver side and cold on passenger side or blows cold on th. Mark helpful Looking for a Used 2500 in your area? CarGurus has 32,664 nationwide 2500 listings starting at $4,900. Dash is now out except for top. We added water to the radiator and it started blowing warm air again. 2014 Dodge Ram 2500 has no heat I’ve changed a couple of the blend door actuators but that didn’t help, it works fine when it’s warm outside but when it’s freezing cold as it is now there’s absolutely no. So your first step in diagnosing a blows cold one side, hot on other side condition is to operate each temperature control to see which side changes temperature. If I run the heater on the floor setting, the passenger side gets really hot but not the drivers side. Now the heat works for about 10 to 15 min and then starts blowing cool air. It has been damn cold out (like -10 to -30) recently but the absolute hottest the coolant temp gets is 170 (most of the time its running between 150 and 165) and it takes a LONG time to get up to that temp. Restarting the HVAC system is the quickest and easiest fix. Dodge Ram Heater Control Problems: Causes and Fixes. 2014 Dodge Ram 1500 Heater AC Blower Motor OEM 142K Miles …. CAR BLOWS HOT AIR ON ONE SIDE COLD ON THE OTHER SIDE. the heater fan is able to extract all or most of the heat and it blows cold, then as the flow increase with the engine speed the coolant doesnt have as much time to cool down as it passes through the heater core so you start getting. Ram Year 2014 Engine Cummins 6. The dealer ship has replaced my thermostat, cold. 2014 Dodge Ram 2500 has no heat I’ve changed a …. CHECK BOTH BOTH RADIATOR HOSES AND HEATER CORES HOSES THEY ALL SHOULD BE VERY HOT. Bad stepper motor or damaged stepper motor shaft (heater treater) 2. And yes a bad temperature sensor can cause this. We added water to the radiator and it started blowing warm air again. The heater may stop working in Ram 2500 Heavy Duty due to low coolant level or air in the cooling system, clogged heater core, bad thermostat, faulty blend door actuator, bad water pump, dirty cabin air. 2013 Dodge Ram 2500 Diesel. My truck is blowing cold air when I ask for heat. If your Dodge Ram 2500 heater is blowing cold air, there are a few things that could be causing the problem. I have a 2015 3500 Ram, no air flow from vents, I can hear…. The heater may stop working in Ram 2500 Heavy Duty due to low coolant level or air in the cooling system, clogged heater core, bad thermostat, faulty blend door actuator, bad water pump, dirty cabin air filter, bad blower motor, or HVAC control unit malfunction. Heat on Passenger side and zero heat on Driver side. It has been damn cold out (like -10 to -30) recently but the absolute hottest the coolant temp gets is 170 (most of the time its running between 150 and 165) and it takes a LONG time to get up to that temp. If that dont work then try the other suggestions. 2014 ram 2500 SLT heater doesnt heat. The truck temp is running normal but maybe that doesn’t matter. The anti freeze is full checked that. If I run the heater on the floor setting, the passenger side gets really hot but not the drivers side. Online Mechanic Tips 105K subscribers Subscribe 12K views 11 months ago. 7 black max DPF delete, starting last week my heater started blowing cold air, then the truck overheated, I changed the thermostat, everything was ok for a week, now the heate … read more. Step 3: Let go of the button, then press and hold it again until the lights on the button start flashing. I have a 05 ram 2500 4X4, My heat only blows luke warm, I have a new, correct thermostat (190 degrees), new Mopar factory coolant, new blower fan mo … read more. If your Dodge Ram isn’t blowing any cold air while your air conditioner is on, it’s probably the evaporator that is faulty. How to Fix a Car Heater in Under 30 Minutes - 2CarPros. 14418 Views 10 Replies 5 Participants Last post by Jhenderson , Nov 11, 2020 J jtiinspect Discussion Starter · Nov 8, 2020 Im new to the forum. Low coolant levels can be caused by many things, such as a slow leak, evaporation, or simply not enough fluid in the system. If your Dodge Ram isn’t blowing any cold air while. 7, when I turn the heat on it literally blows as …. ca>ANSWERED: blows no heat (RAM 1500). So this video i dig into the heater recirculation door and do a little hack to he. 4L gas and sometimes it will blow hot and cold air and other times it wont what is the prolbem and what should i do 28 people found this helpful. solution: set the heater to its maximum setting, remove the coolant tank cap and fill it to the proper level. Step 1 - A heater cannot operate unless the engine is full of coolant/antifreeze.