Most diagnostic devices then ask for some information about the vehicle. Remove the blower fan in a Dodge Caravan by first disconnecting the battery, then waiting two minutes to disable the airbags. In case of severe contamination, multiple components may have to be replaced, including the condenser, the evaporator and the compressor. Is rear defroster blinking on your Dodge Grand Caravan and CLIIMATE CONTROLS do not work for first 10 - 30 seconds after you have started the van? dash and headlights RESET PROCEDURE With the ignition off, press the TRIP and RESET buttons at the same time you turn on the ignition. Check your vehicles owners manual or look under the hood to find the type of the refrigerant your vehicle uses. Dodge Caravan: Heater Not Working Diagnosis | Drivetrain Resource When a blower motor goes bad, it usually makes unusual noises when in operation, and the passengers may feel reduced airflow from the air vents. Before you consider replacing the heater core in your Grand Caravan, it is recommended to flush the existing heater core. A knocking noise could be another indicator of a bad blend door actuator on your Grand Caravan, although its quite rare. 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. about the air conditioner on a new caravan | Allpar Forums 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. Did you ever fix it my van has the same problem but all my blend doors ect.. When looking for the reason, you should always start with the most obvious cause, low refrigerant level in the system. Grand Caravan Crew 3.6L V6 Automatic transmission 46,300 miles AC stopped blowing cold. Due to the complexity of the replacement job, it is not recommended as a DIY project. If there is no air flow or reduced air flow from the vents on your Dodge Grand Caravan, bad blower motor could be the culprit. There is only one compressor so the freon must travel to the rear evaporator. Low coolant or air in the cooling system Low coolant level or air in the cooling system can cause the heater to stop working properly in Grand Caravan. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Jul 13, 2012. If the temperature doesn't change at all, the door may be stuck or broken. Step 1 Start the Dodge Caravan. Locate two rubber hoses that connect to the heater core through the firewall area. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. Grand Caravan Blacktop Package 3.6L. If the condenser is dirty on your Grand Caravan, the simplest solution is to clean it. A/c Blowing Hot Air: I Am a Lady and Do Not Know Alot About - 2CarPros Both of these are at risk of clogging due to contamination, for example due to metal shavings from a failing compressor. Ideally, the refrigerant should never leak in a properly sealed AC system, but most car AC systems do leak small amount of refrigerant over time due to minor imperfections and will need recharging after every few years. The inside of the vehicle is developing a bad moldy smell. The only thing that helps is swapping with a new one. If only hot air comes out of the air vents in your Grand Caravan, then the problem probably lies somewhere else. There are test kits available in the market in which you just have to insert a tube filled with colored liquid in the radiator (in place of the radiator cap), and then start the engine. Start the Dodge Caravan. In the AC settings, find the three leftmost buttons. 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. does not research or authenticate any of the Answers provided. ( 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | SE | CVP | AMP | SXT | LIMITED | CREW | VALUE PACKAGE | EXPRESS ).This is just the explanation video. Rear a/c problems | The Chrysler Minivan Fan Club Forums I have a 2005 . Insert the key into the ignition and turn to the "On" position. The cabin air filter captures most of the dirt or other airborne particles, but some particles escape and can get lodged on to the evaporator. Eric, Automotive Repair Shop. Connect the pressure gauge to the low pressure (L) port in Grand Caravan. Warning: Wear gloves and safety glasses before recharging the AC to avoid accidental exposure to harmful chemicals in the refrigerant. You need a pro that specializes in AC systems to troubleshoot what the issues are. If one is hot and the other is cold, you have a plugged heater core. There are many reasons for poor heating performance in Grand Caravan, which are explained in this article. Once the leak has been found, this must be closed again by replacing the respective component. After two years, Braun left to pursue her entrepreneurial dreams. A blown head gasket can cause coolant to leak into the combustion chambers and burn off. Dodge Grand Caravan Questions - Rear ac blows air but not cool air An overcharged system not only affects cooling performance but can also damage the compressor and sometimes can cause a major leak. 1. 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. My 2003 Dodge Grand caravan blows hot air and my friends that was looking under the hood said that the fans arent coming on, not sure what fans but what do I do. 1. Air Conditioner Problems of Dodge Grand Caravan 7.5 pretty bad Typical Repair Cost: $1,500 Average Mileage: 43,900 miles Total Complaints: 4. If the blend door actuator fails to fully open the blend door towards the heater core, it will result in poor heating performance. The design of the heater core is similar to the radiator, it has narrow internal channels through which hot coolant flows. The two most prominent symptoms of a clogged up evaporator in Grand Caravan are: the air flow from the AC vents is choppy and not smooth, and the inside of the vehicle is developing a bad moldy smell. RB The Mechanic assumes no liability for property damages or injury incurred as a result of any of the information contained in this video. Therefore, it is recommended to do this in a workshop. 2019. Insert the key into the ignition and turn to the "On" position. Christopher S July 30, 2020. The block off kit can be found here: www.streetrodguys.com It will be anywhere from $1000 tp $1500 to have a garage do the work. Dodge Caravan AC Not Cooling: Why and How to Fix By filling and properly bleeding the system the heat should come back. What 3 far left buttons? Automatic transmission. Press and hold the top one and bottom one. There are many reasons why air conditioning may not be working properly on your Dodge Grand Caravan. Rear blower will not turn on. A patient turn the temp control to warm because the air conditioner was too cold. Home Troubleshooting Dodge Grand Caravan AC not working causes and how to fix it. Mark helpful. Weak key fob battery. However, the high-pressure refrigerant pulls these chips back with it during operation and the next damage is inevitable. 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. As a rule, there is no avoiding a change. The best fix is to replace the rear evaporator and hope it goes more than 2 years before the problem happens again. Happened on the 2008 Dodge I drive for the company. Low coolant level or air in the cooling system can cause the heater to stop working properly in Grand Caravan. The heater in Dodge Grand Caravan ensures comfortable temperature in the passenger compartment when the weather is chilly. 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. VehicleHistory.com There is no prescribed time for changing cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. Home Troubleshooting Dodge Grand Caravan AC not cooling causes and diagnosis. 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. Since the heating system in Grand Caravan relies on the hot coolant from the engine to heat the interior, the heater will blow cold air until the engine reaches its normal operating temperature. How to Repair a Dodge Caravan Air Conditioning System "AC unit" - what does that mean? Air should blow out of the vents at different intervals during the reset. rear AC, grand caravan | AnandTech Forums: Technology, Hardware Since Dodge Grand Caravan is equipped with on-board diagnostics (OBD), a fault diagnosis can provide initial indications of where the malfunction is located in the air conditioning system. Clogged heater core is one of the leading causes of heating not working in Dodge Grand Caravan. When the heater is turned on and the AC turned off, the compressor does not turn on and the evaporator is not cooled. Dodge Caravan - Looking for a Used Caravan in your area? The blend door actuator may require recalibration after replacement. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling, heating and air flow. A worn out or weakened blower motor can also produce abnormal sounds when in operation. Instead of changing it directly, it is often recommended to first clean the pollen filter. Did you ever come across a Problem like this? So, even if you recharged your Grand Caravan AC at the recommended pressure, the system could still over pressurize when the ambient temperatures get warmer. 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. Here's a good order to go about checking your van's air conditioning system: First, check the condenser to make sure it's not blocked by any debris. 166. Remove the glove compartment, unscrew the blower fan and then unplug the electricity to it. DODGE CARAVAN FLASHING LIGHTS A/C AND RECIRC - Fixya 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. Dodge Grand Caravan won't start - causes and how to fix it Blower not. The AC stopped working a while ago. Caravan fan and ac not working 1 Answer. In order to find leaks in the air conditioning system, a leak search is carried out in the workshop using forming gas even the smallest leaks can be detected. Once you start the car back up the A/C will still be off. In case of contamination, you may have to flush out the contaminants from the AC system of your Grand Caravan, including the condenser and the evaporator, before putting in the new part. The compressor is the heart of the entire air conditioning system on Dodge Grand Caravan. A common symptom of a faulty blend door actuator in vehicles with dual zone climate control system is one side blowing hot air while the other side is blowing cold air. The leak can be diagnosed by injecting small amount of fluorescent dye into the AC system. The AC will start to calibrate and reset. The most common causes that hinders normal operation of air conditioning system on your Dodge Grand Caravan are dirty cabin air filter, refrigerant leak, dirty or clogged condenser, dirty or clogged evaporator, bad blower motor, defective compressor, faulty blend door actuator or any fault in the electrical system. Leak was due. A patient turn the temp control to warm because the air conditioner was too cold. Remove the cap from the low pressure service port labelled L, and connect the AC recharge kit. There are many reasons why the heater in your Dodge Grand Caravan is not working properly. JavaScript is disabled. A bad blend door actuator usually cannot be repaired and must be replaced with a new one. Free Dodge Grand Caravan repair estimates, See More 2016 Dodge Grand Caravan Questions, When im turning or accelerating my van makes a clicking noise, Blows cool air on 1 vent and heat from the other at the same time, The heater was blowing heat and all of the sudden it was blowing cold air and the etc light came on, Air Conditioning Expansion Valve Replacement. 92492 20+ yrs. Two compressors for a rear air problem? The most common causes for blower motor not working in Dodge Grand Caravan are blown fuse, bad relay, resistor or control module malfunction, and faulty blower motor. Symptoms of a Bad or Failing Blower Motor Relay - YourMechanic Weve got you covered!GM DIESEL CONVERSIONhttps://adventurevehiclesnw.com/shop/product-category/gm-diesel-conversion/ LAND CRUISER DIESEL CONVERSIONhttps://adventurevehiclesnw.com/shop/product-category/land-cruiser-diesel-conversion/UNIVERSAL DIESEL CONVERSIONhttps://adventurevehiclesnw.com/shop/product-category/universal-cummins-diesel-conversion/Find some of our favorite gear on our Amazon shop: https://amzn.to/3J3KihN#AmazonAssociate - We earn a small portion from qualifying purchases. The sound is something like a light tapping on the door and it happens when you turn on the air conditioning system or turn off the engine. 0% 37 % of the time it's the AC Refrigerant Leak 0% 21 % of the time it's the Climate Control Electrical Issue 0% 12 % of the time it's the AC Compressor 0% 30 % of the time it's