How to Troubleshoot the Air Conditioning in Dodge Cars It is a well known problem and any Caravan I have every seen has had this problem. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. In any case, it is advisable for laypersons to visit a workshop. 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. Dodge Caravan Questions - Rear A/C Problems - CarGurus Feel both the rubber lines going in and out of the heater core after the engine has warmed up. Dodge Grand Caravan Questions - Rear ac blows air but not cool air Rear AC block kits #1 SUPPLIER/Manufacturer - StreetRodGuys Its possible the fan is dead, and you may have to replace it. dash and headlights RESET PROCEDURE With the ignition off, press the TRIP and RESET buttons at the same time you turn on the ignition. So, all of them must be inspected when diagnosing poor air flow. Your vehicles air conditioning system has an expansion vale or an orifice tube, depending on the model. Your vehicle may also consume more fuel than normal. 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. If the coolant level is low, open the cap and pour some coolant into the tank until it is between minimum and maximum mark. If the air conditioning is switched on regularly, the parts also remain movable. You dont have to remove the heater core in your Grand Caravan to check if it is clogged. A blown head gasket can cause coolant to leak into the combustion chambers and burn off. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling, heating and air flow. It also puts unnecessary strain on the entire AC system which negatively impacts the fuel consumption. Many - Many - Many . If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. Vehicle History's team of automotive experts brings you the most accurate and up-to-date used car information. There are two ports in the air conditioning system of Grand Caravan. She currently resides in South Florida. 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. What these are and what you can do about it, we explain in this article. Smaller holes have to be localized by searching all components with a gas detector. tried different settings, defrost, floor and turn the heat on. Excessive oil can also reduce the performance of the compressor and can cause it to fail prematurely. Turn the Mode Control dial to "Panel." Find a better mechanic. The compressor is the heart of the entire air conditioning system on Dodge Grand Caravan. So, all of them must be inspected when diagnosing poor airflow. Dodge Caravan AC Is Not Working - RepairPal.com A low refrigerant level in your Grand Caravan does not necessarily mean there is a leak. 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. Low coolant level or air in the cooling system can cause the heater to stop working properly in Grand Caravan. The blend door actuator may require recalibration after replacement. Blend door actuator plays a role in controlling the temperature inside your Grand Caravan. 2000 Grand Caravan - drivers side heat not working - Passenger and rear are fine 2 Answers. This A/C Block Kit, ATMFSFD, is used to block off the rear A/C on the Ford E-Series van with #6 an.. $61.00. Dodge Grand Caravan heater not working - causes and diagnosis Clearing the air from the heater core will not help until the head gasket has been replaced. 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Remove the blower fan in a Dodge Caravan by first disconnecting the battery, then waiting two minutes to disable the airbags. Dodge Grand Caravan AC not working - causes and how to fix it It also puts unnecessary strain on the entire AC system which negatively impacts your Grand Caravans fuel consumption. Insert the key into the ignition and turn to the "On" position. Jul 13, 2012. The air flow from the vents is choppy and not smooth. Once again I don't have rear climate controls in this van. Maybe only the condenser side fan is not working. 2014 caravan. One is labelled H for high-pressure and the other one is labelled L for low-pressure. 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. 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. 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. The vehicle has an air conditioning system (AC) to cool passengers during warm weather and hot drives. What 3 far left buttons? The Dodge Caravan AC is known for one thing.. 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. 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. 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. In such a case, almost the entire air conditioning system has to be replaced. 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. Copyright 2023 Leaf Group Ltd. / Leaf Group Media, Auto User Manual: Dodge Caravan Owner's Manual. Happened on the 2008 Dodge I drive for the company. When looking for the reason, you should always start with the most obvious cause, low refrigerant level in the system. 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. However, the high-pressure refrigerant pulls these chips back with it during operation and the next damage is inevitable. If you turn it to heat, does the air get hotter? In the AC settings, find the three leftmost buttons. 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. Dirty cabin air filter The pollen filter, also known as the cabin filter or microfilter, is a central component of the ventilation system in your Dodge Grand Caravan. 37 % of the time it's the. The compressor is the heart of the air conditioning system in Dodge Grand Caravan. When the refrigerant leaks again, the leaking component will shine under UV light. 2014 Grand Caravan front blower doesn't work, rear Therefore, the filter performance will not increase significantly even after cleaning. 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. 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. If only hot air comes out of the air vents in your Grand Caravan, then the problem probably lies somewhere else. It's fake /inaccurate, What high and low buttons? 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. 18,300 miles. 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. However, if you dont turn on the air conditioning on your Grand Caravan for a long time, the parts will stick. Remove the glove compartment, unscrew the blower fan and then unplug the electricity to it. Caravan fan and ac not working 1 Answer. JavaScript is disabled. There are many reasons why your Dodge Grand Caravan AC is not cooling properly. Most diagnostic devices then ask for some information about the vehicle. Insufficient amount of refrigerant in the AC system is one of the leading causes of AC not blowing cold air in Grand Caravan. Check all the relevant fuses and relays related to the air-conditioning system in your Grand Caravan. In that case driving at high speed should blow some cold air from the AC. You dont necessarily have to visit a workshop to clean or replace the pollen filter on your Grand Caravan. The minivan was first manufactured in 1983 and remains in production as of 2011. 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. I bought it used, but the air worked fine when I bought it in 2004. Therefore, the filter performance will not increase significantly even after cleaning. To begin troubleshooting, you must first connect the diagnostic tool to your Grand Caravan. 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. The sound will be most prominent for a few seconds when you turn on the air conditioning or adjust the temperature. If the compressor fails, the AC will only blow warm air. "AC unit" - what does that mean? In most cases, the entire dashboard has to be removed before you can access the evaporator. If it is blown, replacing the fuse will only solve the problem for a very limited period of time. Follow the manufactures repair procedure and use appropriate safety procedures. The Fora platform includes forum software by XenForo. The Questions and Answers on this page are the statements and opinions of their respective authors and not VehicleHistory.com. 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. 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. 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. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced heating and airflow. Eric is online now Continue Related Dodge Questions My Dodge grand Caravan rear AC is blowing hot air while my You need a pro that specializes in AC systems to troubleshoot what the issues are. experience as repair shop manager and technician. 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. 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. It's an obvious rear mode door or switchology problem as stated. Rear AC Block Kit Ford E-Series Van. Amedee is online now Before you consider replacing the heater core in your Grand Caravan, it is recommended to flush the existing heater core. Switch the Mode Control knob to "Panel." As soon as the light starts to flash release the two buttons and the system will reset. 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. After cleaning, reconnect the terminals. Mechanic refilled with Freon to include dye so that he could detect a leak. Show more. Rear ac in Dodge Grand Caravan not blowing. 2019. 92492 - JustAnswer Grand Caravan Blacktop Package 3.6L. 2006 Dodge Caravan Rear AC evaporator Blockoff Easy air - YouTube 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. Just make sure the temp control on the upper console facing the rear seats is not turn to warm. 2014 Dodge Grand Caravan A/C Not Working: 3 Complaints Check fan relay. Jul 18, 2012. Dodge Caravan - Looking for a Used Caravan in your area? This gives you a fresh start for the winter, improves defroster performance, and reduces chances of mold or mildew growth. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Mine is 2011 and has turn knobs for fan & temp. 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. 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. Due to factors beyond the control of RB The Mechanic, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. An overcharged system not only affects cooling performance but can also damage the compressor and sometimes can cause a major leak.