The Fora platform includes forum software by XenForo. The vehicle was not repaired. In that case driving at high speed should blow some cold air from the AC. Check fan relay. You just have to locate the coolant overflow reservoir and inspect the level of coolant in it. This hinders the condensers ability to release heat as less air passes through the mesh, which results in poor cooling in the cabin. In this video we show you How To Repair a Dodge Caravan Air Conditioning System. A blown head gasket can cause coolant to leak into the combustion chambers and burn off. So, all of them must be inspected when diagnosing poor air flow. 0%. Since the two heat exchangers (condenser and evaporator) are designed in cross-flow design, the detergent finds the path with the least resistance and leaves the chips behind. My rear a/c is not working in my 2008 town and country, blowers work fine but only blow warm air. If the condenser is dirty on your Grand Caravan, the simplest solution is to clean it. Unless the wiring issue is fixed, the fuse will blow again. Excessive oil can also reduce the performance of the compressor and can cause it to fail prematurely. The most common symptom of a faulty blend door actuator in Dodge Grand Caravan is a slight clicking sound (or other unusual noise) repeatedly coming from under the dashboard. Finding these mostly very small leaks is often not easy. The two most prominent symptoms of a clogged up evaporator on your Grand Caravan are: Cleaning the evaporator on Grand Caravan is not a simple task. If the cooling system is not full and bled properly, the water pump will not be able to push the coolant around the system efficiently. Although, the evaporator coil is a component of the cooling function of the air-conditioning system, but the air always first passes through the evaporator and then flows over the heater core. If one is hot and the other is cold, you have a plugged heater core. Instead of changing the cabin air filter in Grand Caravan, it is often recommended to first clean the filter. If you are only topping off the refrigerant in your Dodge Grand Caravan with off-the-shelf refrigerant recharge cans and not repairing the leak, you may have flooded with AC system with oil since these cans often contains added oil. When you turn on the heating, air gets blown through the heater core, warming the air in the cabin.If there is air trapped inside the heater core, the coolant will not be able to flow through it properly. You can use pressure washer for cleaning, but make sure its at low pressure setting, as high pressure can damage the delicate fins on the condenser. Water pumps usually last for more than 100,000 miles, but they can fail at any time. The Dodge Caravan AC is known for one thing.. The lights will turn off and when they come back on press the AC button when it is blinking and that will turn it back on. Its purpose is to seal the combustion gases within the cylinders and to avoid coolant or engine oil leaking into the cylinders. does not research or authenticate any of the Answers provided. Heat and air works great but if you say, switch to floor then it willbe floor and face. Jul 18, 2012. Or you can do it yourself for under $400 but it is a PITA and it will last a few years and just have the same problem. Blend door actuator plays a role in controlling the temperature inside your Grand Caravan. A knocking noise could be another indicator of a bad blend door actuator on your Grand Caravan, although its quite rare. The sound is something like a light tapping on the door and it typically happens when you turn on/off the air conditioning system or start the engine. Once you start the car back up the A/C will still be off. It is generally recommended to replace the cabin air filter every year at the start of the winter season. . If only hot air comes out of the air vents in your Grand Caravan, then the problem probably lies somewhere else. Just have it refilled and you can drive with pleasant temperatures again. 2014 Dodge Grand Caravan SXT, 3.6, 1000 miles, the warm air works in the back all winter, the front has cold air, dont really understand why only half the air con works, is it too seperate systems, do I have to recharge somewhere in the back too. I had the AC unit replaced when I brought the van however, there is no AC blowing in the rear and my van doesn't have the rear controls, needing to see what is the issue as to why my AC isn't blowing in rear. exactly issue im not sure why people mentioned the filter or a door not closing those 2 has nothing to do with a fan not working !! Air should blow out of the vents at different intervals during the reset. It does this by allowing water to enter the engine when it is getting hot, and by keeping coolant from entering while the vehicle warms up. If the refrigerant level goes down again quickly, it means there is probably a leak. 8 people found this helpful. All do-it-yourself projects entail some risk. She currently resides in South Florida. I have a 2005 . A bad blend door actuator usually cannot be repaired and must be replaced with a new one. Home Troubleshooting Dodge Grand Caravan AC not cooling causes and diagnosis. This is mostly common in older vehicles. If your Grand Caravan is losing coolant, that means there is a leak somewhere or it is getting burned up inside the engine. It is important that you enter this 100% correctly, otherwise the result of the search may be inaccurate. A broken compressor is usually irreparable. Dirty evaporator can cause weak airflow and reduce the heating performance in Grand Caravan. As soon as the light starts to flash release the two buttons and the system will reset. Since then, she has launched several startups including a t-shirt business, an online marketing and advertising t-shirt distribution business, and an entertainment site. Dodge Grand Caravan heater not working causes and diagnosis, Dodge Grand Caravan AC blower motor not working - causes and diagnosis, Dodge Grand Caravan windshield washer not working causes and how to fix it, Dodge Grand Caravan horn not working causes and how to fix it, Dodge Grand Caravan key fob not working - causes and how to fix it, Dodge Grand Caravan AC not working - causes and how to fix it, Dodge Grand Caravan auto windows not working, how to reset, Dodge Grand Caravan AC not cooling - causes and diagnosis, Dodge Grand Caravan bad O2 sensor symptoms, causes, and diagnosis, Mitsubishi Raider dirty cabin air filter symptoms, when to replace, Chevy Silverado 1500 pulls to the right when driving, BMW 2 Series bad wheel speed sensor symptoms how to diagnose, Pontiac Grand Prix uneven tire wear causes, VW Eos dashboard lights flicker and wont start causes and how to fix it, Dodge Magnum dirty cabin air filter symptoms, when to replace, Subaru BRZ ABS light is on causes and how to reset, Apple CarPlay on Honda Clarity, how to connect, Fiat 500X heater not working causes and diagnosis, Alfa Romeo 4C Spider makes sloshing water sound causes and how to fix it, Honda Crosstour AC smells bad causes and diagnosis, Ram ProMaster burning smell causes and how to fix it, Toyota Aygo bad ignition coils symptoms, causes, and diagnosis, Honda Crosstour dashboard lights flicker and wont start causes and how to fix it, Kia Sorento shakes at highway speeds causes and how to fix it, Jeep Grand Cherokee key fob not working causes and how to fix it, Jaguar XF dirty cabin air filter symptoms, when to replace, Mitsubishi Mirage auto windows not working, how to reset, Acura NSX door makes a squeaking noise when opening or closing. Release the buttons once you see the light flash. The first thing that you would want to do is locate the fuse for your Caravan's radiator fan and make sure that it hasn't blown. IMPORTANT COVID 19 SHIPPING NOTICE. When the outside temperature drops too low, the heating performance may be reduced in Grand Caravan if the air conditioning system is set to outside air. Climate control module is the brain of the air-conditioning system in your Dodge Grand Caravan, responsible for controlling all the components in the system. If it is blown, replacing the fuse will only solve the problem for a very limited period of time. The vehicle was taken to all star Dodge Chrysler Jeep ram at 11503 st charles rock rd, bridgeton, mo 63044, (314) 291-2050 where it was diagnosed that the power control module needed to be replaced. 2019 Dodge Grand Caravan 35 Anniversary Model. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced heating and airflow. The dryer is often overlooked. If there is no air flow from the air vents in the dashboard when you turn on the heater in your Dodge Grand Caravan, it means the problem is related to the fan or blower motor function. Don't worry, you can still start your vehicle - the battery is only used to send the signal for locking/unlocking. Keep in mind that the front AC will not cool the van as good as having a twin system. In any case, it is advisable for laypersons to visit a workshop. Do you still sweat while driving your Dodge Grand Caravan? This can have different causes. The best fix is to replace the rear evaporator and hope it goes more than 2 years before the problem happens again. Possible leaks or failed components in the rear. Note: If the blower motor suddenly fails from one second to the next, you must first check whether a blown fuse is responsible for the failure. If the water pump has worn out and the coolant is not being circulated as effectively as it used to, it can cause the heater to stop working properly because theres less coolant available to transfer heat between the engine and the heater core. I have air in front of the van but my back is only blowing out hot air. tried different settings, defrost, floor and turn the heat on. Where are the 3 buttons to hold for reset? Mark helpful. You dont have to remove the heater core in your Grand Caravan to check if it is clogged. Let us know what you find with this and we can go from there. The AC will start to calibrate and reset. FAILING. The vehicle replaced a 2013 Chevrolet Equinox. Like the radiator, the air conditioning condenser on Dodge Grand Caravan sits at the front of the vehicle and is responsible for releasing the heat from the refrigerant into the ambient air. You must start the Dodge Caravan to reset the Dodge Caravan climate control. The air flow from the vents is choppy and not smooth. Blend door actuator plays a role in controlling the air flow and temperature inside your Grand Caravan. To improve heating efficiency, it is recommended to switch on air recirculation mode. How to Repair a Dodge Caravan Air Conditioning System Jonesy's 24.8K subscribers Subscribe 436 262K views 10 years ago #AmazonAssociate In this video we show you How To Repair a Dodge Caravan. There are many reasons for poor heating performance in Grand Caravan, which are explained in this article. Dodge Caravan Climate Control Air Conditioner Blows Hot A/C blowing hot air CHEWBUG2 MEMBER DODGE CARAVAN I am a lady and do not know alot about cars, but I think I got scammed when I took my car in to have the a/c fixed. A clogged or leaking condenser can also be the reason for air-conditioning not working properly on your Grand Caravan. Start by inspecting the condition of the cabin air filter on your Grand Caravan. If the blower motor in your Grand Caravan is not spinning fast enough either due to an internal defect or due to a fault in the resistor/control module, the AC cooling performance will be degraded due to reduced air flow. The sound will be most prominent for a few seconds when you turn on the air conditioning or adjust the temperature. Turn on the AC and set it to the coldest setting, and the fan speed to maximum. If you dont have the system serviced for a long time on your Grand Caravan, the refrigerant level will eventually get so low that the system loses its cooling capacity. The videos are intended for information only. However, if you dont turn on the air conditioning on your Grand Caravan for a long time, the parts will stick. Low coolant level or air in the heater core can sometimes cause sloshing sound from behind the dashboard when the engine is running. Heat up and heat down?I have a 2017 Dodge Grand Caravan back AC very hit and miss - not working, Pull the M 11 fuse if you dont have the power button. You cannot repair a broken blower motor, the part must be replaced with a new one. 24,855 miles. It was out of warranty when it went, and the shop wanted <too much, for it to be worth it to me> to repair it (had it in for another issue & asked them to check it.) A bad water pump will not only cause poor heating, but can also result in engine damage due to overheating. 3. Thanks Step 3 Locate the three leftmost buttons in the AC controls. The heater may stop working in Dodge Grand Caravan 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. Rear A/C Block Off with Screws Gaskets Aluminium Alloy Rear Air Conditioner Block Replacement Fit for Town/Country Caravan/Grand Caravan 2012 C 2016. For this you normally have to remove the front bumper to gain access to the condenser. The heating system in Grand Caravan uses hot coolant or antifreeze from the engine block to heat the interior of the vehicle. The top button will flash when the reset is completed. The AC stopped working a while ago. Had a similar issue, no cold air and diagnosed the problem to the rear expansion valve being clogged with some small debris and fine metal shavings. When you press the AC button in heating mode, the compressor turns on and the evaporator cools and dries the air before it enters the heater core. The function of both expansion valve and orifice tube is the same, to restrict the flow and reduce pressure of the refrigerant before it enters the evaporator coil. The air conditioning system in Dodge Grand Caravan has a condenser coil that sits at the front of the vehicle, and is responsible for releasing the heat from the refrigerant into the ambient air. A patient turn the temp control to warm because the air conditioner was too cold. What was replaced? Had front blower fan not working and rear was. A professional mechanic can swiftly diagnose the heating issue for you. To begin troubleshooting, you must first connect the diagnostic tool to your Grand Caravan. Click on the links below to see my videos on how to replace rear or passenger blend door actuators.This vans are equipped with \"self adjusting\" blend door actuator system. Mechanic refilled with Freon to include dye so that he could detect a leak. The leak can be diagnosed by injecting small amount of fluorescent dye into the AC system. The excess oil may pool in various places of the AC system and can coat the inner walls of the evaporator and condenser, diminishing their ability to absorb or dissipate heat, consequently reducing the overall cooling performance. This can be done, for example, with a vacuum cleaner or a compressed air system, removing at least a large part of the visible dirt particles. Just like with low refrigerant, the AC in Grand Caravan will blow warm air only if the AC system is overcharged with refrigerant. The vehicle has an air conditioning system (AC) to cool passengers during warm weather and hot drives. RB The Mechanic recommends to follow safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, chemicals, or any other tools or equipment seen or implied in this video. There is no prescribed time for changing cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. Check which type of refrigerant your vehicle uses. The blend door actuator may require recalibration after replacement. If Your climate control is not working properly in Your Dodge Caravan then You may want to reset it. If the blower motor in your Grand Caravan is not spinning fast enough either due to an internal defect or due to a fault in the resistor/control module, the airflow from the AC vents will be weaker and the heating performance will be degraded. Due to factors beyond the control of RB The Mechanic, it cannot guarantee against unauthorized modifications of this information. If there is a problem with the temperature of the air conditioning system, it could be due to a bad blend door actuator. Really? Home Troubleshooting Dodge Grand Caravan heater not working causes and diagnosis. The worst damage, however, is a failure of the AC compressor when it eats itself due to insufficient lubrication or a production error, metal chips form, which are distributed throughout the Grand Caravans AC system. A worn out or weakened blower motor can also produce abnormal sounds when in operation. If it stops permanently I'll pull the carpeted cover under the glove box and see if I can pull, clean, and lube the actuator. A family member purchased a new 2017 Grand Caravan SXT with the rear heat / ac. The most common symptom of faulty blend door actuator on Dodge Grand Caravan is a slight clicking sound repeatedly coming from under the dashboard. This van has controls for the rear at Ask an Expert Car Questions Dodge Repair This answer was rated: Amedee, Dodge Technician 37,957 Satisfied Customers ASE certified tech advanced level specialist. Vehicle: 2000 Dodge Grand Caravan LE; Engine 3.8L, automaticDual heaters (front and rear)Front heater has Driver Passenger controlsAbout 3 days ago the heat stopped coming out of the drivers. It doesn't bother me. Thanks for your support! Specifically replace the condenser, evacuated, and recharge the AC system with R134 refrigerant on a 2002 Dodge Caravan minivan. Step 1 Start the Dodge Caravan. If you turn it to heat, does the air get hotter? (But it bothers the wife about 10 days out of the year.) The Dodge Caravan AC is known for one thing.. There is no fixed time for replacing the cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. Dodge Grand Caravan AC not cooling causes and diagnosis, Dodge Grand Caravan AC blower motor not working - causes and diagnosis, Dodge Grand Caravan heater not working - causes and diagnosis, Dodge Grand Caravan bad O2 sensor symptoms, causes, and diagnosis, Dodge Grand Caravan bad spark plugs symptoms, causes, and diagnosis, Dodge Grand Caravan steering wheel vibration causes and diagnosis, Dodge Grand Caravan bad ignition coils symptoms, causes, and diagnosis, Dodge Grand Caravan bad wheel bearings symptoms, causes and diagnosis, Dodge Grand Caravan AC smells bad - causes and diagnosis, Infiniti QX60 wont start causes and how to fix it, Nissan 370Z window bounce back when closing causes and how to fix it, Jaguar E-PACE AC blower motor not working causes and diagnosis, Ford Mondeo bad wheel speed sensor symptoms how to diagnose, Cadillac CT4 AC blower motor not working causes and diagnosis, Honda Ridgeline window bounce back when closing causes and how to fix it, Toyota Corolla window bounce back when closing causes and how to fix it, Nissan Kicks window bounce back when closing causes and how to fix it, Cadillac CT5 bad spark plugs symptoms, causes, and diagnosis, VW Eos AC blowing hot air causes and how to fix it, Ford Explorer wont start causes and how to fix it, Nissan Rogue AC not blowing hard enough weak airflow causes, VW T-Roc key fob not working causes and how to fix it, Chevy Sonic makes sloshing water sound causes and how to fix it, GMC Sierra 2500 HD auto windows not working, how to reset, Renault Clio bad O2 sensor symptoms, causes, and diagnosis, How to telescope side mirrors on Ford F-250, F-350 or F-450 (Super Duty), Renault Captur horn not working causes and how to fix it. A blown head gasket can cause the exhaust gases from the engine to enter the cooling system and plug the heater core. This is . FAILING. Cleaning the evaporator in Grand Caravan is not a simple task. Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. Once again I don't have rear climate controls in this van. Both should be hot. Over time, these particles build up on the fins and block the air flow through the evaporator, causing reduced air flow in the cabin and poor cooling. Over last two years the front dash vents gradually lost all read more Chris Shop Foreman 8,839 satisfied customers 2001 dodge grand caravan sport: expansion valves..ac compressor..kick Connect the pressure gauge to the low pressure (L) port in Grand Caravan. Vehicle: 2000 Dodge Grand Caravan LE; Engine 3.8L, automaticDual heaters (front and rear)Front heater has Driver Passenger controlsAbout 3 days ago the heat stopped coming out of the drivers. Climate control module is the brain of the air-conditioning system in your Dodge Grand Caravan, responsible for controlling all the components in the system. The sound will be most prominent for a few seconds when you turn on the air conditioning or adjust the temperature. 2019. The most common causes for AC blowing hot air in Dodge Grand Caravan are low or overcharged refrigerant, compressor malfunction, dirty condenser or evaporator coils, faulty blend door actuator, defective evaporator temperature sensor, bad AC pressure sensor, and bad fuse or relay. Most of the time if your AC stops working on a 2002 to 2008 Dodge Caravan it is because it lost all its refrigerent due to a faulty rear evaporator. 2016 Dodge Grand Caravan This problem may be covered under warranty. Weak key fob battery. Most modern vehicles use R-134a refrigerant, but newer vehicles are increasingly using R-1234yf as a more environmentally friendly replacement.