There are many reasons why air conditioning may not be working properly on 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. Due to the complexity of the replacement job, it is not recommended as a DIY project. 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. Remove the glove compartment, unscrew the blower fan and then unplug the electricity to it. Remove the blower motor, typically located under the passenger side dashboard, and inspect the condition of the cage. HOLD the buttons for 10 sec and the instrument cluster will go into a diagnostic sequence. Cleaning the evaporator in Grand Caravan is not a simple task. Seem to be moving and so forth. 92492 20+ yrs. 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. There is only one small cable running to the blower fan which transmits the electricity. 10 offers from $23.29. Press and hold the top one and bottom one. Your air conditioning system no longer cools properly? By filling and properly bleeding the system the heat should come back. does not research or authenticate any of the Answers provided. There are 2 separate evaporators but only one compressor. Sometimes when a thermostat goes bad, it stays stuck open. Anytime there is a problem with the temperature of the air conditioning system, it could be a problem with the blend door actuator. 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. Note: Dirty cabin air filter mostly only leads to reduced cooling. If the refrigerant level goes down again quickly, it means there is probably a leak. We research hundreds of models each 2019 Dodge Grand Caravan 35 Anniversary Model. The Town & Country and Grand Caravan mini vans are susceptible to rear A/C issues, especially in the rust belt. If the compressor fails, the AC will only blow warm air. Rear A/C Block off Kit Air Conditioning Block Off Compatible with 2012-2016 Town/Country Dodge Caravan w/Dual Bolts. Just have it refilled and you can drive with pleasant temperatures again. Grand Caravan SXT 3.6L V6. Its purpose is to seal the combustion gases within the cylinders and to avoid coolant or engine oil leaking into the cylinders. Dirty evaporator can also be the reason for AC problems on your Dodge Grand Caravan. 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. The AC stopped working a while ago. No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. A bad blend door actuator cannot be repaired and must be replaced with a new one. The pressure values based on ambient temperatures differ depending on the type of the refrigerant. The blend door actuator may require recalibration after replacement. There is no prescribed time for changing cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. It also puts unnecessary strain on the entire AC system which negatively impacts the fuel consumption. Blend door actuator plays a role in controlling the air flow and temperature inside your Grand Caravan. The air conditioning is a blessing, especially in hot temperatures. 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 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. FAILING. Maybe only the condenser side fan is not working. It is also cryogenic and can cause severe frostbite when it comes in contact with the skin. 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. When looking for the reason, you should always start with the most obvious cause, insufficient amount of refrigerant. Once again I don't have rear climate controls in this van. Its possible the fan is dead, and you may have to replace it. A worn out or weakened blower motor can also produce abnormal sounds when in operation. 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. If it is blown, replacing the fuse will only solve the problem for a very limited period of time. Instead of changing the cabin air filter in Grand Caravan, it is often recommended to first clean the filter. Finding these mostly very small leaks is often not easy. Turn the Mode Control dial to "Panel." This setting only directs air to your face and upper body and not your feet. 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. In any case, it is advisable for laypersons to visit a workshop. ( 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. This gives you a fresh start for the winter, improves defroster performance, and reduces chances of mold or mildew growth. It's fake /inaccurate, What high and low buttons? Home Troubleshooting Dodge Grand Caravan heater not working causes and diagnosis. If fans arent coming on, you should have engine overheating issues. As a rule, there is no avoiding a change. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Inspect the cabin air filter (if equipped) to verify that it is not clogged. The Dodge Caravan AC is known for one thing.. The sound will be most prominent for a few seconds when you turn on the air conditioning or adjust the temperature. Bad Thermostat The job of your Caravan's thermostat is to regulate the temperature of the engine. 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. 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. Instead of changing it directly, it is often recommended to first clean the pollen filter. A blown head gasket can cause the exhaust gases from the engine to enter the cooling system and plug the heater core. JavaScript is disabled. Heat stops working intermittently on really cold days, the only way to fix it is to turn the car off and restart, or switch the temp controls over to . Water pumps usually last for more than 100,000 miles, but they can fail at any time. 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. 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. This is . 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. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. There is no prescribed time for changing cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. Rear AC Block Kit Ford E-Series Van. Dirty evaporator can cause weak airflow and reduce the heating performance in Grand Caravan. Dodge Caravan - Looking for a Used Caravan in your area? 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. Insufficient amount of refrigerant in the AC system is one of the leading causes of AC not blowing cold air in Grand Caravan. What was replaced? . The Dodge Caravan is a minivan manufactured and sold by the Dodge division of the Chrysler Group. 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.) Place the key into the ignition and switch it to the "On" position. 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. You just have to locate the coolant overflow reservoir and inspect the level of coolant in it. The videos are intended for information only. Christopher S July 30, 2020. Once you start the car back up the A/C will still be off. 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. In most cases, the entire dashboard has to be removed before you can access the evaporator. Leaks in the head gasket can cause all sorts of problems in your Grand Caravan including poor heater performance. Excessive oil can also reduce the performance of the compressor and can cause it to fail prematurely. 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. If only hot air comes out of the air vents in your Grand Caravan, then the problem probably lies somewhere else. Just make sure the temp control on the upper console facing the rear seats is not turn to warm. The top button controls the rear wiper on constant and the bottom button controls the rear wiper washer fluid. If your Grand Caravan has push start/stop button, then its possible that your vehicle may not start due to weak key fob battery. 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. Your vehicle may also consume more fuel than normal. 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. If the blend door actuator fails to fully open the blend door towards the heater core, it will result in poor heating performance. 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. The system is filled with forming gas (nitrogen with a little hydrogen) in the workshop. Remove the cap from the low pressure service port labelled L, and connect the AC recharge kit. Thanks In rare cases, a fault in the climate control unit can cause the heater to stop functioning. 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. 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. The Fora platform includes forum software by XenForo. Both should be hot. It is important that you enter this 100% correctly, otherwise the result of the search may be inaccurate. There is only one compressor so the freon must travel to the rear evaporator. After two years, Braun left to pursue her entrepreneurial dreams. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling and air flow. The two systems are joined, so if for example you lose freon, you will lose AC in the front and rear. 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. 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. Just like with low refrigerant, the AC in Grand Caravan will blow warm air only if the AC system is overcharged with refrigerant. Grand Caravan Crew 3.6L V6 Automatic transmission 46,300 miles AC stopped blowing cold. The best fix is to replace the rear evaporator and hope it goes more than 2 years before the problem happens again. 90,000 miles. Had front blower fan not working and rear was. Therefore, it is recommended to do this in a workshop. The pollen filter, also known as the cabin air filter or microfilter, is responsible for filtering the air that the passengers breathe in the cabin. Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. This is an illustration of the normal repair that we see in the shop. 8 people found this helpful. In the event of a defect, the mechanic can directly initiate the repair. Join now! I have a 2005 . The failure mileage was 125,393. There are flush kits available in the market that can help you do the job yourself. 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 . Amedee is online now could the drain be plug and the evaporator is freezing up? 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. The block off kit can be found here: www.streetrodguys.com You cannot repair a broken blower motor, the part must be replaced with a new one. 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. 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. If your Grand Caravan is losing coolant, that means there is a leak somewhere or it is getting burned up inside the engine. The top button will flash when the reset is completed. 37 % of the time it's the. A leaking condenser can lead to a loss of refrigerant and reduced cooling performance of the system. You dont have to remove the heater core in your Grand Caravan to check if it is clogged. Therefore, the filter performance will not increase significantly even after cleaning. Did you ever come across a Problem like this? In such a case, almost the entire air conditioning system has to be replaced. Aug 25, 2008 2003 Dodge Caravan helpful Flashing lights! If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. RB The Mechanic assumes no liability for property damages or injury incurred as a result of any of the information contained in this video. 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. This mode is useful for clearing fog from the windows. Most modern vehicles use R-134a refrigerant, but newer vehicles are increasingly using R-1234yf as a more environmentally friendly replacement. Automatic transmission. 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. Rear ac in Dodge Grand Caravan not blowing. The minivan was first manufactured in 1983 and remains in production as of 2011. 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. 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. 3. A clogged or leaking condenser can also be the reason for air-conditioning not working properly on your Grand Caravan. 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. Unless the wiring issue is fixed, the fuse will blow again. 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. The vehicle was not repaired. Over time, the heater core can begin to rust or mineral deposits can form in these channels, blocking the flow of the coolant. 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. 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. Ask your Dodge dealer. A blown head gasket can cause coolant to leak into the combustion chambers and burn off. Remove the blower fan in a Dodge Caravan by first disconnecting the battery, then waiting two minutes to disable the airbags. A professional mechanic can swiftly diagnose the poor AC cooling issue for you. However, if you dont turn on the air conditioning on your Grand Caravan for a long time, the parts will stick. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. Tried all combinations of power on, rotating the know etc. Refrigerant leak in Grand Caravan can be caused by leaking O-ring seals, leaking condenser or evaporator core, or a cracked hose. Note: Dirty cabin air filter mostly only leads to reduced cooling. My rear a/c is not working in my 2008 town and country, blowers work fine but only blow warm air. The rear a/c works very, very well and they are very pleased with the a/c system. Insufficient lubricant: The compressor in Grand Caravan needs lubrication to function properly and minimize mechanical wear by reducing friction. If the temperature doesn't change at all, the door may be stuck or broken. For a better experience, please enable JavaScript in your browser before proceeding. 166. Start the Dodge Caravan. It will be anywhere from $1000 tp $1500 to have a garage do the work. Dirty cabin air filter is the leading cause of weak heater airflow in Dodge Grand Caravan. 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. YOU HAVE TO GO WITH DODGE OEM BLEND DOOR ACTUATOR (MOPAR).Part #: M8679001Watch my video for the full explanation.Rear temperature blend door actuator replacement:https://youtu.be/F3QhRBu5AvgPassenger side blend door actuator replacement:https://youtu.be/CYTsrmHK9uUGive me your support and join the channel:https://www.youtube.com/channel/UCvyScrAKiK8NL66K4yrQTnA/joinThanks for watching.Don't forget to Like the video / SUBSCRIBE to the channel! DISCLAIMER:While QuiteAlright strives to make the information provided in this video as accurate as possible, it makes no claims, promises, or guarantees about the accuracy, completeness or applicability of the content. It consists of moving parts that convert what is actually a gaseous coolant into liquid this is how your vehicle is cooled. ChryslerMinivan.net is the best forum for Chrysler Town and Country owners to discuss mileage, price, problems, towing and more. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. IMPORTANT COVID 19 SHIPPING NOTICE. Check which type of refrigerant your vehicle uses. 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. Therefore it is important to diagnose a failing water pump at early stages to avoid expensive repairs later on. Don't worry, you can still start your vehicle - the battery is only used to send the signal for locking/unlocking. Blend door actuator plays a role in controlling the temperature inside your Grand Caravan. If the coolant level is low, open the cap and pour some coolant into the tank until it is between minimum and maximum mark. This is mostly common in older vehicles. Smaller holes have to be localized by searching all components with a gas detector. In this way, it can be determined whether the loss of refrigerant is due to a defective condenser. If the liquid changes color, then there is a leak in head gasket. SOURCE: Front Blower ok, missed the part about the rear ac working, the part that causes this is called the air temperature control blend door actuator motor, it is an electric motor driven gear drive that moves the plastic door inside the air ducking to mix or shut off the hot or cold air from the ac evaporator core or the heater core, you will need to replace it. 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. The procedure, commonly called calibration, initiates the self diagnostic test and system reset for the vehicle's air conditioning. So, all of them must be inspected when diagnosing poor airflow. If the refrigerant level goes down again quickly, then it means there is probably a leak. Caravan fan and ac not working 1 Answer. Show more. First You will need to start the van and make sure the mode in the vehicle is set to panel. The dryer is often overlooked. You dont necessarily have to visit a workshop to clean or replace the pollen filter on 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. As a rule, there is no avoiding a change if the filter is dirty. 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. Sometimes changing the temperature can temporarily stop the sound. 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Home Troubleshooting Dodge Grand Caravan AC not working causes and how to fix it. 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. fan is running and no air is moving. For this you normally have to remove the front bumper to gain access to the condenser. One is labelled H for high-pressure and the other one is labelled L for low-pressure. In this video we show you How To Repair a Dodge Caravan Air Conditioning System. Keep in mind that reduced air flow 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. The most common reasons a Dodge Grand Caravan ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. In any case, it is advisable for laypersons to visit a workshop. If you only install a new compressor here, another failure is inevitable, as the chips immediately destroy the new component. 2000 Grand Caravan - drivers side heat not working - Passenger and rear are fine 2 Answers. You dont have to go to a workshop to check for a leaking head gasket in your Grand Caravan. Dirty evaporator can also significantly reduce AC cooling performance in Grand Caravan. The rear HVAC housing has electric stepper motors driving the temperature blend door (cool/warm) and the air mode door (side/headliner vents). Heat and air works great but if you say, switch to floor then it willbe floor and face. 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. Air should blow out of the vents at different intervals during the reset. 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. Once the leak has been found, this must be closed again by replacing the respective component. You must start the Dodge Caravan to reset the Dodge Caravan climate control. The AC light should illuminate and then flash. Follow the manufactures repair procedure and use appropriate safety procedures. The most common symptom of faulty blend door actuator on Dodge Grand Caravan is a slight clicking sound repeatedly coming from under the dashboard. Start by inspecting the condition of the cabin air filter on your Grand Caravan.