ZIP: #1 Paul Reputation 2,020 #2 tenspeed Reputation 1,510 #3 Dan Ritz Reputation 1,480 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. 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. If this is the case, the only option is to replace the broken part. In rare cases, a fault in the climate control unit can cause the AC to stop cooling. Locate two rubber hoses that connect to the heater core through the firewall area. The sound will be most prominent for a few seconds when you turn on the air conditioning or adjust the temperature. The pollen filter, also known as the cabin filter or microfilter, is a central component of the ventilation system in your Dodge Grand Caravan. 2016 Dodge Grand Caravan This problem may be covered under warranty. 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. fan is running and no air is moving. Rear controls stuck and blowing high heat no matter what happens in other zones. FAILING. 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. I have a 2005 . 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. A professional mechanic can swiftly diagnose the poor AC cooling issue for you. Turn the Mode Control dial to "Panel." Dirty evaporator can also significantly reduce AC cooling performance in Grand Caravan. This is an illustration of the normal repair that we see in the shop. Start the Dodge Caravan. 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. 90,000 miles. 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 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. It is important that you enter this 100% correctly, otherwise the result of the search may be inaccurate. If the pressure is higher than the recommended pressure, let some refrigerant out preferably into a rag to avoid exposure. 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. There is no prescribed time for changing cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. . In addition to the vehicle make, model, and engine type, you usually also have to type in the Vehicle Identification Number (VIN). Blend door actuator plays a role in controlling the temperature inside your Grand Caravan. Blower not. If fans arent coming on, you should have engine overheating issues. Since the heating system in Grand Caravan relies on the hot coolant from the engine to heat the interior, the heater will blow cold air until the engine reaches its normal operating temperature. 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If Your climate control is not working properly in Your Dodge Caravan then You may want to reset it. Clogged heater core is one of the leading causes of heating not working in Dodge Grand Caravan. Dodge Grand Caravan Sport: 2003 Grand Caravan Sport 3.8l 128000km 2003 Grand Caravan Sport 3.8l 128000km with front- and rear-AC system. Rear AC Block Kit Ford E-Series Van. What 3 far left buttons? The Fora platform includes forum software by XenForo. The rear a/c works very, very well and they are very pleased with the a/c system. Leak discovered. 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 to do? Remove the glove compartment, unscrew the blower fan and then unplug the electricity to it. Once the leak has been found, this must be closed again by replacing the respective component. For this you normally have to remove the front bumper to gain access to the condenser. The rear HVAC housing has electric stepper motors driving the temperature blend door (cool/warm) and the air mode door (side/headliner vents). For us shade tree mechanics and cheap people the best fix is to just block the rear ac off. A maximum of the metal pipes can be rinsed here. 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. Specifically replace the condenser, evacuated, and recharge the AC system with R134 refrigerant on a 2002 Dodge Caravan minivan. Did you ever fix it my van has the same problem but all my blend doors ect.. Home Troubleshooting Dodge Grand Caravan AC not cooling causes and diagnosis. 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. There are many reasons why the heater in your Dodge Grand Caravan is not working properly. However, if you dont turn on the air conditioning on your Grand Caravan for a long time, the parts will stick. Dirty evaporator can cause weak airflow and reduce the heating performance in Grand Caravan. Release the buttons once you see the light flash. Finding these mostly very small leaks is often not easy. If the condenser is dirty on your Grand Caravan, the simplest solution is to clean it. ChryslerMinivan.net is the best forum for Chrysler Town and Country owners to discuss mileage, price, problems, towing and more. It is also cryogenic and can cause severe frostbite when it comes in contact with the skin. Home Troubleshooting Dodge Grand Caravan heater not working causes and diagnosis. There are several causes for AC not blowing cold air in Grand Caravan, which we will go through in this article. Press and hold the top one and bottom one. Really? 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. Over time, grime, bugs and other small particles can build up on its surface and in the gaps of its mesh. If the refrigerant level goes down again quickly, it means there is probably a leak. Dodge Caravan Climate Control Air Conditioner Blows Hot A/C blowing hot air CHEWBUG2 MEMBER DODGE CARAVAN I am a lady and do not know alot about cars, but I think I got scammed when I took my car in to have the a/c fixed. The top button will flash when the reset is completed. It also puts unnecessary strain on the entire AC system which negatively impacts your Grand Caravans fuel consumption. Unless the wiring issue is fixed, the fuse will blow again. 2019. A low refrigerant level in your Grand Caravan does not necessarily mean there is a leak. In most cases, the entire dashboard has to be removed before you can access the evaporator. Do you still sweat while driving your Dodge Grand Caravan? The dryer is often overlooked. Due to the complexity of the replacement job, it is not recommended as a DIY project. Thanks for your support! Mine is 2011 and has turn knobs for fan & temp. Another patient said the AC is just blowing warm air. If the liquid changes color, then there is a leak in head gasket. Keep in mind that the front AC will not cool the van as good as having a twin system. Grand Caravan Blacktop Package 3.6L. The inside of the vehicle is developing a bad moldy smell. Cabin air filter captures most of the dirt or other airborne particles, but some escape and fall on to the evaporator. The design of the heater core is similar to the radiator, it has narrow internal channels through which hot coolant flows. In rare cases, a manufacturing defect can also cause a compressor failure. Symptoms of a Bad or Failing Blower Motor Relay If the blower motor does not function, car fuses are blown, or relays are melting, you may have to replace the car blower motor relay. 10 offers from $23.29. 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. Switch the Mode Control knob to "Panel." This setting only guides air to your face and upper body, not your legs. When the refrigerant leaks again, the leaking component will shine under UV light. Check which type of refrigerant your vehicle uses. Before you consider replacing the heater core in your Grand Caravan, it is recommended to flush the existing heater core. (But it bothers the wife about 10 days out of the year.) 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. 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. By filling and properly bleeding the system the heat should come back. 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. With the tool connected, turn on the ignition. Low coolant level or air in the cooling system can cause the heater to stop working properly in Grand Caravan. 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. If you have front AC that is working fine then the rear should also work if the blower is working. It consists of moving parts that convert what is actually a gaseous coolant into liquid this is how your vehicle is cooled. Tried the above reset, didn't work. It doesn't bother me. Both should be hot. Shake the canister briefly and release the refrigerant into the system until the recommended pressure has been achieved. 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. 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. Once you start the car back up the A/C will still be off. Clearing the air from the heater core will not help until the head gasket has been replaced. For a better experience, please enable JavaScript in your browser before proceeding. 3.8 out of 5 stars. 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. There are flush kits available in the market that can help you do the job yourself. There is only one compressor so the freon must travel to the rear evaporator. 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. Therefore it is recommended to do this at a workshop. Your vehicles air conditioning system has an expansion vale or an orifice tube, depending on the model. The leak can be diagnosed by injecting small amount of fluorescent dye into the AC system. Step 1 Start the Dodge Caravan. 37 % of the time it's the. 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. 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. 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. After cleaning, reconnect the terminals. 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.

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