With the tool connected, turn on the ignition. Bought brand new in March 2012. 2016 Dodge Grand Caravan This problem may be covered under warranty. It is now 90+ degrees where we live with high humidity. Grand Caravan SXT 3.6L V6. 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. Press the top button to complete the reset. If this is the case, the only option is to replace the broken part. Dodge Grand Caravan Sport: 2003 Grand Caravan Sport 3.8l 128000km 2003 Grand Caravan Sport 3.8l 128000km with front- and rear-AC system. 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. 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. I have a 2005 . You need a pro that specializes in AC systems to troubleshoot what the issues are. Once again I don't have rear climate controls in this van. No luck. The two systems are joined, so if for example you lose freon, you will lose AC in the front and rear. Initially thought to replace the entire system, but figured it would be cheaper to replace the valve, clean the rear evaporator and replace the dryer. Your vehicles air conditioning system has an expansion vale or an orifice tube, depending on the model. Just make sure the temp control on the upper console facing the rear seats is not turn to warm. 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. 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 Dodge Caravan AC is known for one thing.. Thanks There are many reasons why the heater in your Dodge Grand Caravan is not working properly. experience as repair shop manager and technician. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. In addition to the normal loss, component defects are usually responsible for the escape of the refrigerant gas on Dodge Grand Caravan. 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. CarGurus has 52 nationwide Caravan listings starting at $3,499 . Below is a chart that will help with proper pressures. nothing. Where are the 3 buttons to hold for reset? In any case, it is advisable for laypersons to visit a workshop. In any case, it is advisable for laypersons to visit a workshop. Check which type of refrigerant your vehicle uses. The head gasket is responsible for providing the seal between the engine block and cylinder heads. 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. You cannot repair a broken blower motor, the part must be replaced with a new one. Cabin air filter captures most of the dirt or other airborne particles, but some escape and fall on to the evaporator. experience as repair shop manager and technician. Specifically replace the condenser, evacuated, and recharge the AC system with R134 refrigerant on a 2002 Dodge Caravan minivan. Let us know what you find with this and we can go from there. To begin troubleshooting, you must first connect the diagnostic tool to your Grand Caravan. The pollen filter, also known as the cabin air filter or microfilter, is responsible for filtering the air that the passengers breathe in Dodge Grand Caravan. 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. The vehicle has an air conditioning system (AC) to cool passengers during warm weather and hot drives. Dirty evaporator can also be the reason for AC problems on your Dodge Grand Caravan. Doing a DIY diesel swap? Check all the relevant fuses and relays related to the air-conditioning system in your Grand Caravan. 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. One is labelled H for high-pressure and the other one is labelled L for low-pressure. tried different settings, defrost, floor and turn the heat on. Don't worry, you can still start your vehicle - the battery is only used to send the signal for locking/unlocking. 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. 10 offers from $23.29. Christopher S July 30, 2020. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. For a better experience, please enable JavaScript in your browser before proceeding. The dryer is often overlooked. The AC light should illuminate and then flash. As a rule, there is no avoiding a change if the filter is dirty. So, all of them must be inspected when diagnosing poor airflow. FAILING. In rare cases, a fault in the climate control unit can cause the heater to stop functioning. Rear ac in Dodge Grand Caravan not blowing. Bad Thermostat The job of your Caravan's thermostat is to regulate the temperature of the engine. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling, heating and air flow. stop for 20 minutes and it work for 1 hour then quit. There are several causes for AC not blowing cold air in Grand Caravan, which we will go through in this article. 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. Over time, these dust particles can builds up on the fins and block the air flow through the evaporator, resulting in poor cooling. Insufficient lubricant: The compressor in Grand Caravan needs lubrication to function properly and minimize mechanical wear by reducing friction. 90,000 miles. Dodge Grand Caravan. Checking coolant level in Grand Caravan is a fairly some job. A leaking condenser can lead to a loss of refrigerant and reduced cooling performance of the system. Turn on the AC and set it to the coldest setting, and the fan speed to maximum. Instead of changing the cabin air filter in Grand Caravan, it is often recommended to first clean the filter. It's an obvious rear mode door or switchology problem as stated. Leak discovered. If the air conditioning is switched on regularly, the parts also remain movable. 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. However, if you dont turn on the air conditioning on your Grand Caravan for a long time, the parts will stick. A defective sealing ring, a worn line or a condenser that has been damaged by a stone chip are the most common causes. The Dodge Caravan AC is known for one thing.. If the temperature changes a little, the module may need calibration with the scan tool (StarScan, StarMobile, etc). 37 % of the time it's the. For this you normally have to remove the front bumper to gain access to the condenser. 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. If the pressure is higher than the recommended pressure, let some refrigerant out preferably into a rag to avoid exposure. 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 If only hot air comes out of the air vents in your Grand Caravan, then the problem probably lies somewhere else. By filling and properly bleeding the system the heat should come back. JavaScript is disabled. A broken compressor is usually irreparable. If the condenser is dirty on your Grand Caravan, the simplest solution is to clean it. FAILING. 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. To complete the reset, press the top button. Place the key into the ignition and switch it to the "On" position. The pollen filter, also known as the cabin filter or microfilter, is a central component of the ventilation system in your Dodge 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 airflow from the AC vents will be weaker and the heating performance will be degraded. The Fora platform includes forum software by XenForo. The blower motor is the central component of the air conditioning system in Grand Caravan, responsible for blowing cold air through the AC vents. You can use power washer for cleaning, but make sure that its at low pressure setting, as high pressure can easily damage the delicate fins on the condenser. Flushing is done by pushing water through the outlet hose of the heater core and draining the gunk from the inlet hose. Rear AC Block Kit Ford E-Series Van. After two years, Braun left to pursue her entrepreneurial dreams. If the refrigerant level goes down again quickly, it means there is probably a leak. Thanks for your support! A low refrigerant level in your Grand Caravan does not necessarily mean there is a leak. A patient turn the temp control to warm because the air conditioner was too cold. This information is typically located under the hood and/or in the owners manual. Low coolant level or air in the cooling system can cause the heater to stop working properly in Grand Caravan. Jun 14, 2017. There is no fixed time for replacing the cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. The result is a defective compressor that can no longer be repaired. My rear a/c is not working in my 2008 town and country, blowers work fine but only blow warm air. 3. Possible leaks or failed components in the rear. Although most of the dirt and other particles in the air are filtered by the cabin air filter, but some particles do escape and can cling to the fins of the blower cage. Insufficient amount of refrigerant is still the main cause of a non-functioning AC system. Switch the Mode Control knob to "Panel." 5th Generation Chrysler Minivans: 2008-2020, 4th Generation Chrysler Minivans: 2001-2007, 3rd Generation Chrysler Minivans: 1996-2000, 2nd Generation Chrysler Minivans: 1991-1995. 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. The minivan was first manufactured in 1983 and remains in production as of 2011. Over time, the heater core can begin to rust or mineral deposits can form in these channels, blocking the flow of the coolant. But if the thermostat has developed a defect and is stuck to open position, the coolant will continuously flow through the radiator and the engine may take a long time to reach its optimal operating temperature. Dirty evaporator can cause weak airflow and reduce the heating performance in Grand Caravan. Therefore, it is recommended to do this in a workshop. 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. 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. Happened on the 2008 Dodge I drive for the company. The air flow from the vents is choppy and not smooth. 1. fan is running and no air is moving. Both should be hot. If your Grand Caravan is losing coolant, that means there is a leak somewhere or it is getting burned up inside the engine. The most common symptom of faulty blend door actuator on Dodge Grand Caravan is a slight clicking sound repeatedly coming from under the dashboard. Don't even try that "method" .it's a copy of a dumb directions of a dealership website word for word And it continues to say that the left buttons are for the washer fluid and the rear defroster or something like that . Join now! 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. I bought it used, but the air worked fine when I bought it in 2004. Sometimes changing the temperature can temporarily stop the sound. 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. The system is filled with forming gas (nitrogen with a little hydrogen) in the workshop. You dont necessarily have to visit a workshop to clean or replace the pollen filter on your Grand Caravan. Tried the above reset, didn't work. Inspect the cabin air filter (if equipped) to verify that it is not clogged. No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. 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. If Your climate control is not working properly in Your Dodge Caravan then You may want to reset it. This can have different causes. Spring and summer seasons are hard on the cabin air filter because of pollen and bugs, and in the fall they can get clogged with leaf debris. 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. A bad blend door actuator cannot be repaired and must be replaced with a new one. Check all front HVAC fuses and relays M11 and J15 I believe, all good. If it is blown, replacing the fuse will only solve the problem for a very limited period of time. Feel both the rubber lines going in and out of the heater core after the engine has warmed up. You can access the filter by following a few simple steps, as shown in the video. This hinders the condensers ability to release heat as less air passes through the mesh, which results in poor cooling in the cabin. Check the owners manual of your vehicle or the fuse box cover to find the exact location of the AC fuses. This gives you a fresh start for the winter, improves defroster performance, and reduces chances of mold or mildew growth. It is important that you enter this 100% correctly, otherwise the result of the search may be inaccurate. Switch the Mode Control knob to "Panel." This setting only guides air to your face and upper body, not your legs. If the fuse is blown, replace it with a new one with the specified amp rating. A blown head gasket can cause the exhaust gases from the engine to enter the cooling system and plug the heater core. You must start the Dodge Caravan to reset the Dodge Caravan climate control. In this way, it can be determined whether the loss of refrigerant is due to a defective condenser. 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. 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. 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. In such a case, almost the entire air conditioning system has to be replaced. When you start your Grand Caravan when the engine is cold, the thermostat cuts off flow of coolant through the radiator in order to quickly reach the optimal engine operating temperature. The compressor is the heart of the entire air conditioning system on Dodge Grand Caravan. Happened on the 2008 Dodge I drive for the company. 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. Remove the glove compartment, unscrew the blower fan and then unplug the electricity to it. Its possible the fan is dead, and you may have to replace it. . 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. 92492 20+ yrs. However, the high-pressure refrigerant pulls these chips back with it during operation and the next damage is inevitable. The blend door actuator may require recalibration after replacement. Check the system pressure. When looking for the reason, you should always start with the most obvious cause, low refrigerant level in the system. 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. The manufacturer was not notified of the failure. Pulled the glovebox down and looked at the blower motor area for a baffle, didn't see one but got up under the glove box and banged on the bottom of the blower motor housing and the fan kicked on and has continued working. There is only one small cable running to the blower fan which transmits the electricity. Due to the complexity of the replacement job, it is not recommended as a DIY project. There are many reasons why your Dodge Grand Caravan AC is not cooling properly. Two compressors for a rear air problem? 2010 T&C Touring, 3.8L, 6 Speed 62TE Trans. Remove the blower motor, typically located under the passenger side dashboard, and inspect the condition of the cage. Since some OBD codes are manufacturer-specific, the scanner will be able to give you more accurate information if you enter more details about your Grand Caravan. If one fails the test, you get the blinking rear defroster.Problem is a bit deeper because if you replace the failed blend door actuators with replacement parts (such as Dorman), the new actuator will work, but still fail the self adjustment test. This setting only directs air to your face and upper body and not your feet. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling, heating and air flow. 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. The blend door actuator may require recalibration after replacement. Follow the manufactures repair procedure and use appropriate safety procedures. 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. The refrigerant pressure is affected by the outside atmospheric temperature. Step 1 Start the Dodge Caravan. Due to the complexity of the replacement job, it is not recommended as a DIY project. Press and hold the top one and bottom one. Blend door actuator plays a role in controlling the temperature inside your Grand Caravan. As soon as the light starts to flash release the two buttons and the system will reset. 7.5 pretty bad Typical Repair Cost: $1,500 Average Mileage: 43,900 miles Total Complaints: 4. Mechanic refilled with Freon to include dye so that he could detect a leak. So, all of them must be inspected when diagnosing poor air flow. Sometimes when a thermostat goes bad, it stays stuck open. Over time, grime, bugs and other small particles can build up on its surface and in the gaps of its mesh. 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. 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. 2014 caravan. 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. Locate two rubber hoses that connect to the heater core through the firewall area. Did you ever fix it my van has the same problem but all my blend doors ect.. Just have it refilled and you can drive with pleasant temperatures again. In this video we show you How To Repair a Dodge Caravan Air Conditioning System. 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. I have a 1994 Dodge Caravan with 130,000 miles on it. year to help you gain confidence about one of your largest purchase decisions. After cleaning, reconnect the terminals. It's fake /inaccurate, What high and low buttons? 24,855 miles. 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. A professional mechanic can swiftly diagnose the poor AC cooling issue for you. Seem to be moving and so forth. could the drain be plug and the evaporator is freezing up? RB The Mechanic assumes no liability for property damages or injury incurred as a result of any of the information contained in this video. Warning: Wear gloves and safety glasses before recharging the AC to avoid accidental exposure to harmful chemicals in the refrigerant. Instead of changing it directly, it is often recommended to first clean the pollen filter. Anytime there is a problem with the temperature of the air conditioning system, it could be a problem with the blend door actuator. A bad blend door actuator usually cannot be repaired and must be replaced with a new one. If you dont service the AC system in your Grand Caravan for a long time, the refrigerant level will eventually get so low that the system loses its cooling capacity. 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. Did you ever come across a Problem like this? If you have front AC that is working fine then the rear should also work if the blower is working. It is a well known problem and any Caravan I have every seen has had this problem. 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. If the liquid changes color, then there is a leak in head gasket. Just like with low refrigerant, the AC in Grand Caravan will blow warm air only if the AC system is overcharged with refrigerant. Jul 18, 2012. Grand Caravan Blacktop Package 3.6L. Excessive oil can also reduce the performance of the compressor and can cause it to fail prematurely. Keep in mind that the front AC will not cool the van as good as having a twin system. Effective March 26, 2020 and until further notice, UPS, FEDEX and USPS have suspended their Service Guarantee for all shipments from any origin to any destination. The Questions and Answers on this page are the statements and opinions of their respective authors and not VehicleHistory.com. #1. Leaks in the head gasket can cause all sorts of problems in your Grand Caravan including poor heater performance. The wiring harness itself can go bad. Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. Insert the key into the ignition and turn to the "On" position. 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. 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 fans arent coming on, you should have engine overheating issues. 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? 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. There are many reasons why air conditioning may not be working properly on your Dodge Grand Caravan. When looking for the reason, you should always start with the most obvious cause, insufficient amount of refrigerant. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. A bad water pump will not only cause poor heating, but can also result in engine damage due to overheating. Really? You must start the Dodge Caravan to reset the Dodge Caravan climate control. 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. Cleaning the evaporator in Grand Caravan is not a simple task. This setting only guides air to your face and upper body, not your legs. 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. All do-it-yourself projects entail some risk. Air should blow out of the vents at different intervals during the reset. There is no prescribed time for changing cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. 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. That means every time you start the van, climate controls go through self adjustment and check every blend door actuator and blend door. Home Troubleshooting Dodge Grand Caravan AC not cooling causes and diagnosis. It is generally recommended to replace the cabin air filter every year at the start of the winter season. The heater in Dodge Grand Caravan ensures comfortable temperature in the passenger compartment when the weather is chilly. The AC will start to calibrate and reset. Refrigerant leak in Grand Caravan can be caused by leaking O-ring seals, leaking condenser or evaporator core, or a cracked hose. Blend door actuator plays a role in controlling the air flow and temperature inside your Grand Caravan. Therefore, the filter performance will not increase significantly even after cleaning. The videos are intended for information only. The Town & Country and Grand Caravan mini vans are susceptible to rear A/C issues, especially in the rust belt. Start by inspecting the condition of the cabin air filter on your Grand Caravan. As a rule, there is no avoiding a change. Therefore, the filter performance will not increase significantly even after cleaning. This would require a scan tool to confirm correct operation. 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 design of the heater core is similar to the radiator, it has narrow internal channels through which hot coolant flows. Ditto. Heat and air works great but if you say, switch to floor then it willbe floor and face. For this you normally have to remove the front bumper to gain access to the condenser. 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. Rear blower will not turn on. If only hot air comes out of the air vents in your Grand Caravan, then the problem probably lies somewhere else. 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. What these are and what you can do about it, we explain in this article. Home Troubleshooting Dodge Grand Caravan AC not working causes and how to fix it. The top button will flash when the reset is completed. 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. In the AC settings, find the three leftmost buttons. Do you still sweat while driving your Dodge Grand Caravan? 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. 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. Most diagnostic devices then ask for some information about the vehicle. VehicleHistory.com What to do? If the compressor fails, the AC will only blow warm air. Dodge Caravan - Looking for a Used Caravan in your area? Another patient said the AC is just blowing warm air. Since the heater core is usually slightly higher, the air will accumulate in there first. You dont have to remove the heater core in your Grand Caravan to check if it is clogged. In rare cases, a fault in the climate control unit can cause the AC to stop cooling. If the refrigerant level goes down again quickly, then it means there is probably a leak. 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.