In rare cases, a fault in the climate control unit can cause the AC to stop cooling. The rear HVAC housing has electric stepper motors driving the temperature blend door (cool/warm) and the air mode door (side/headliner vents). Amedee is online now Too much oil: If there is excessive amount of oil added with the refrigerant, it can cause compressor performance issues which reduces cooling efficiency, and can also cause premature compressor failure. Grand Caravan Crew 3.6L V6 Automatic transmission 46,300 miles AC stopped blowing cold. This can happen due to a leak or if the AC has not been recharged for a long time. The failure mileage was 125,393. The sound will be most prominent for a few seconds when you turn on the air conditioning or adjust the temperature. To improve heating efficiency, it is recommended to switch on air recirculation mode. ZIP: #1 Paul Reputation 2,020 #2 tenspeed Reputation 1,510 #3 Dan Ritz Reputation 1,480 The block off kit can be found here: www.streetrodguys.com A clogged or leaking condenser can also be the reason for air-conditioning not working properly on your Grand Caravan. Mark helpful. 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. Blend door actuator plays a role in controlling the temperature inside your Grand Caravan. The compressor is the heart of the air conditioning system in Dodge Grand Caravan. 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. Keep in mind that reduced airflow doesnt always indicate a problem with the blower motor, as it can also happen due to a clogged cabin air filter, dirty evaporator, or a bad mode door actuator. Find a better mechanic. 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 most common causes for AC not cooling properly in Dodge Grand Caravan are low or overcharged refrigerant, compressor malfunction, clogged cabin air filter, dirty condenser or evaporator coils, dirty or sluggish blower motor, and bad fuse or relay. . This mode is useful for clearing fog from the windows. 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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. Do you still sweat while driving your Dodge Grand Caravan? Mechanic refilled with Freon to include dye so that he could detect a leak. 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 system is filled with forming gas (nitrogen with a little hydrogen) in the workshop. The vehicle was not repaired. 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? In any case, it is advisable for laypersons to visit a workshop. Locate the three leftmost buttons in the AC controls. Possible leaks or failed components in the rear. Eric is online now Continue Related Dodge Questions My Dodge grand Caravan rear AC is blowing hot air while my What to do? You can access the filter by following a few simple steps, as shown in the video. The design of the heater core is similar to the radiator, it has narrow internal channels through which hot coolant flows. Therefore, the filter performance will not increase significantly even after cleaning. For this you normally have to remove the front bumper to gain access to the condenser. The water pump is the heart of the cooling system in Grand Caravan responsible for pumping coolant throughout the system and cooling the engine. The heating system in Grand Caravan uses hot coolant or antifreeze from the engine block to heat the interior of the vehicle. Driving your Dodge Grand Caravan in warmer temperatures with a malfunctioning air conditioning system can quickly become a nuisance when sweltering heat builds up in the cabin. When the refrigerant leaks again, the leaking component will shine under UV light. A low refrigerant level in your Grand Caravan does not necessarily mean there is a leak. 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. The AC light should illuminate and then flash. All do-it-yourself projects entail some risk. Therefore it is recommended to do this at a workshop. There is no prescribed time for changing cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. 92492 20+ yrs. 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. Jul 13, 2012. It doesn't bother me. If Your climate control is not working properly in Your Dodge Caravan then You may want to reset it. The OBDII connector is usually located under the dashboard. Over time, the heater core can begin to rust or mineral deposits can form in these channels, blocking the flow of the coolant. The AC stopped working a while ago. Feel both the rubber lines going in and out of the heater core after the engine has warmed up. Low coolant level or air in the cooling system can cause the heater to stop working properly in Grand Caravan. Really? If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling, heating and air flow. A professional mechanic can swiftly diagnose the poor AC cooling issue for you. If fans arent coming on, you should have engine overheating issues. 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. Dont worry, there is no risk of suffocation, as the air recirculation mode still allows up to approximately 10 percent of the air coming from the air vents to be fresh air from the outside. 2000 Grand Caravan - drivers side heat not working - Passenger and rear are fine 2 Answers. 24,855 miles. Clearing the air from the heater core will not help until the head gasket has been replaced. Eric, Automotive Repair Shop. For a better experience, please enable JavaScript in your browser before proceeding. Did you ever fix it my van has the same problem but all my blend doors ect.. Thermostat is a part of the cooling system in Dodge Grand Caravan which ensures that the engine reaches its optimal operating temperature as quickly as possible and maintain it under all operating conditions. Maybe only the condenser side fan is not working. There are several causes for AC not blowing cold air in Grand Caravan, which we will go through in this article. This puts strain on the motor and further reduces the air flow and cooling performance, and may also cause unusual noises from behind the dashboard. This hinders the condensers ability to release heat as less air passes through the mesh, which results in poor cooling in the cabin. VehicleHistory.com 2016 Dodge Grand Caravan This problem may be covered under warranty. by Ed Ruelas on January 04, 2016 Heating AC Inspection Cost Service Location SELECT YOUR VEHICLE $94.99 - $114.99 Price range for all vehicles ( 68) Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. This can have different causes. It's fake /inaccurate, What high and low buttons? Switch the Mode Control knob to "Panel." This setting only guides air to your face and upper body, not your legs. However, if you dont turn on the air conditioning on your Grand Caravan for a long time, the parts will stick. 1. Leak was due. If there is a problem with the temperature of the air conditioning system, it could be due to a bad blend door actuator. Thanks for your support! Mine is 2011 and has turn knobs for fan & temp. I have a 2005 . Happened on the 2008 Dodge I drive for the company. Before you consider replacing the heater core in your Grand Caravan, it is recommended to flush the existing heater core. Home Troubleshooting Dodge Grand Caravan heater not working causes and diagnosis. Cabin air filter captures most of the dirt or other airborne particles, but some escape and fall on to the evaporator. A blown head gasket can cause coolant to leak into the combustion chambers and burn off. Aug 25, 2008 2003 Dodge Caravan helpful Flashing lights! Place the key into the ignition and switch it to the "On" position. A knocking noise from behind the dashboard could be an indicator of a bad blend door actuator in your Grand Caravan. This setting only guides air to your face and upper body, not your legs. JavaScript is disabled. If one is hot and the other is cold, you have a plugged heater core. It is a filter! Check your vehicles owners manual or look under the hood to find the type of the refrigerant your vehicle uses. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. The most common reasons a Dodge Caravan ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. Once you start the car back up the A/C will still be off. Two compressors for a rear air problem? The rear works fine, AC cycles on fine, but no matter what I can't get any air to come out of the front. Note: Dirty cabin air filter mostly only leads to reduced cooling. Sometimes when a thermostat goes bad, it stays stuck open. 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. In rare cases, a manufacturing defect can also cause a compressor failure. Insert the key into the ignition and turn to the "On" position. Caravan fan and ac not working 1 Answer. 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. 18,300 miles. It also puts unnecessary strain on the entire AC system which negatively impacts the fuel consumption. However, when you turn the A/C back on by pressing the A/C button rather than the Auto button, it will allow you to also engage the Recirc button. Keep in mind, an AC compressor can fail without any apparent cause, especially in older vehicles or in vehicles that have racked up too many miles. Let us know what you find with this and we can go from there. 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. You must start the Dodge Caravan to reset the Dodge Caravan climate control. Another patient said the AC is just blowing warm air. 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 heating or cooling. It also puts unnecessary strain on the entire AC system which negatively impacts your Grand Caravans fuel consumption. tried different settings, defrost, floor and turn the heat on. Check which type of refrigerant your vehicle uses. Next You will need to press the highest and lowest buttons on the AC control panel until the AC light begins to flash. The two systems are joined, so if for example you lose freon, you will lose AC in the front and rear. 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. If there isnt enough oil added with the refrigerant or to the compressor itself if it was replaced, the internal components of the compressor will wear out and cease to function. This is an illustration of the normal repair that we see in the shop. Blower not. In case of severe contamination, multiple components may have to be replaced, including the condenser, the evaporator and the compressor. 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. 7.5 pretty bad Typical Repair Cost: $1,500 Average Mileage: 43,900 miles Total Complaints: 4. If the condenser is dirty on your Grand Caravan, the simplest solution is to clean it. 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. The top button controls the rear wiper on constant and the bottom button controls the rear wiper washer fluid. When looking for the reason, you should always start with the most obvious cause, insufficient amount of refrigerant. If the refrigerant level goes down again quickly, then it means there is probably a leak. If too much dirt is caked in the blower fins, it can throw off the balance of the spinning cage and cause it to wobble. Diana Braun began her writing career as a consultant and technical writer for a software company focusing on how-to, training, white paper, and internal process documentation. This is mostly common in older vehicles. Just have it refilled and you can drive with pleasant temperatures again. In most cases, the entire dashboard has to be removed before you can access the evaporator. Happened on the 2008 Dodge I drive for the company. Your air conditioning system no longer cools properly? Step 1 Start the Dodge Caravan. 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. But if the weather is too cold, the engine may never reach its optimal operating temperature with a stuck open thermostat. Very common problem & they were surprised there . After the Dealer replaced 2 major Components in the AC System, the Air still comes on in Neutral and Park even when the Air is not switched on and only the Outside Vent is on. There is only one compressor so the freon must travel to the rear evaporator. Instead of changing it directly, it is often recommended to first clean the pollen filter. Switch the Mode Control knob to "Panel." A family member purchased a new 2017 Grand Caravan SXT with the rear heat / ac. Jun 14, 2017. 166. What 3 far left buttons? ! Locate two rubber hoses that connect to the heater core through the firewall area. Did you ever come across a Problem like this? Press and hold the top one and bottom one. The buttons of the air conditioning unit may start flashing due to a momentary electrical failure, in which case a reset of the AC is necessary. If the refrigerant level goes down again quickly, it means there is probably a leak. Christopher S July 30, 2020. 10 offers from $23.29. Step 2 Turn the Mode Control dial to "Panel." This setting only directs air to your face and upper body and not your feet. Instead of changing the cabin air filter in Grand Caravan, it is often recommended to first clean the filter. This gives you a fresh start for the winter, improves defroster performance, and reduces chances of mold or mildew growth. The Questions and Answers on this page are the statements and opinions of their respective authors and not VehicleHistory.com. Just have it refilled and you can drive with pleasant temperatures again. The only thing that helps is swapping with a new one. Press and hold the top one and bottom one. Instead of changing the cabin air filter in Grand Caravan, it is often recommended to first clean the filter. 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. The blend door actuator may require recalibration after replacement. Home Troubleshooting Dodge Grand Caravan AC not working causes and how to fix it. 2010 T&C Touring, 3.8L, 6 Speed 62TE Trans. Where are the 3 buttons to hold for reset? The pressure values based on ambient temperatures differ depending on the type of the refrigerant. A broken compressor is usually irreparable. Both of these are at risk of clogging due to contamination, for example due to metal shavings from a failing compressor. Your vehicles air conditioning system has an expansion vale or an orifice tube, depending on the model. 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. You dont necessarily have to visit a workshop to clean or replace the pollen filter on your Grand Caravan. 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. A bad water pump will not only cause poor heating, but can also result in engine damage due to overheating. Blend air doors can be a problem. Specifically replace the condenser, evacuated, and recharge the AC system with R134 refrigerant on a 2002 Dodge Caravan minivan. ( 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. 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. 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. The dryer is often overlooked. If the blend door actuator fails to fully open the blend door towards the heater core, it will result in poor heating performance. You cannot repair a broken blower motor, the part must be replaced with a new one. QuiteAlright is not responsible or liable for any loss damage (including, but not limited to, actual, consequential, or punitive), liability, claim, or any other injury or cause related to or resulting from any information posted in this video. It's an obvious rear mode door or switchology problem as stated. Water pumps usually last for more than 100,000 miles, but they can fail at any time. If the liquid changes color, then there is a leak in head gasket. Doing a DIY diesel swap? When the heater is turned on and the AC turned off, the compressor does not turn on and the evaporator is not cooled. 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 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. Excessive oil can also reduce the performance of the compressor and can cause it to fail prematurely. Larger leaks may already be heard or you can find them with a leak detection spray. Remove the glove compartment, unscrew the blower fan and then unplug the electricity to it. 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. The result is a defective compressor that can no longer be repaired. The best fix is to replace the rear evaporator and hope it goes more than 2 years before the problem happens again. After two years, Braun left to pursue her entrepreneurial dreams. 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. HOLD the buttons for 10 sec and the instrument cluster will go into a diagnostic sequence. 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. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced heating and airflow. Dirty cabin air filter is the leading cause of weak heater airflow in Dodge Grand Caravan. FAILING. A defective sealing ring, a worn line or a condenser that has been damaged by a stone chip are the most common causes. If your Grand Caravan has push start/stop button, then its possible that your vehicle may not start due to weak key fob battery. 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. Check all the relevant fuses and relays related to the air-conditioning system in your Grand Caravan. A blown head gasket can cause the exhaust gases from the engine to enter the cooling system and plug the heater core. A knocking noise from behind the dashboard could be an indicator of a bad blend door actuator in your Grand Caravan. It is now 90+ degrees where we live with high humidity. Automatic transmission. 2019 Dodge Grand Caravan 35 Anniversary Model. The sound will be most prominent for a few seconds when you turn on the air conditioning or adjust the temperature. There are many reasons for poor heating performance in Grand Caravan, which are explained in this article. Rear AC not working Rear AC not working 2016 Dodge Grand Caravan Asked by Visitor in Englewood, CO on September 05, 2021 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. The Dodge Caravan is a minivan manufactured and sold by the Dodge division of the Chrysler Group. The procedure, commonly called calibration, initiates the self diagnostic test and system reset for the vehicle's air conditioning. 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. You can recharge your AC through the low-pressure port with a do it yourself AC recharge kit. Over time, grime, bugs and other small particles can build up on its surface and in the gaps of its mesh. Over time dust can accumulate on the fins and reduce the air flow, which reduces cooling performance. When a blower motor goes bad, it usually makes unusual noises when in operation, and the passengers may feel reduced air flow from the AC vents. The heater in Dodge Grand Caravan ensures comfortable temperature in the passenger compartment when the weather is chilly. Both should be hot. The hot coolant is pumped through the heater core located behind the dashboard. Flushing is done by pushing water through the outlet hose of the heater core and draining the gunk from the inlet hose. It consists of moving parts that convert what is actually a gaseous coolant into liquid this is how your vehicle is cooled. 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. It is important that you enter this 100% correctly, otherwise the result of the search may be inaccurate. In this video we show you How To Repair a Dodge Caravan Air Conditioning System. The Fora platform includes forum software by XenForo. However, if you turn the A/C completely Off, turn the ignition system off. experience as repair shop manager and technician. It will be anywhere from $1000 tp $1500 to have a garage do the work. CarGurus has 52 nationwide Caravan listings starting at $3,499 . could the drain be plug and the evaporator is freezing up? It is the sole responsibility of the viewer to assume this risk. Additionally, if you drive your Grand Caravan with AC system set to fresh outside air most of the time, your cabin air filter will get dirty much sooner as compared to air recirculation mode. Rear AC Block Kit Ford E-Series Van. Remove the cap from the low pressure service port labelled L, and connect the AC recharge kit. Leak discovered. Keep in mind that the front AC will not cool the van as good as having a twin system. If found dirty, clean it using a brush. There are flush kits available in the market that can help you do the job yourself. 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 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. Once the leak has been found, this must be closed again by replacing the respective component. Bought brand new in March 2012. Had front blower fan not working and rear was. However, the high-pressure refrigerant pulls these chips back with it during operation and the next damage is inevitable. Check all front HVAC fuses and relays M11 and J15 I believe, all good. A leaking condenser can lead to a loss of refrigerant and reduced cooling performance of the system. Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. Turn the Mode Control dial to "Panel." Start the Dodge Caravan. In addition to the normal loss, component defects are usually responsible for the escape of the refrigerant gas on Dodge Grand Caravan. . AC dont work on Dodge Caravan Check FUSE & Relay RB The Mechanic 59.2K subscribers Subscribe 44K views 2 years ago Due to factors beyond the control of RB The Mechanic, it cannot guarantee. The blend door actuator may require recalibration after replacement.