I have a 1994 Dodge Caravan with 130,000 miles on it. The system is filled with forming gas (nitrogen with a little hydrogen) in the workshop. When the outside temperature drops too low, the heating performance may be reduced in Grand Caravan if the air conditioning system is set to outside air. Check which type of refrigerant your vehicle uses. Just like with low refrigerant, the AC in Grand Caravan will blow warm air only if the AC system is overcharged with refrigerant. Specifically replace the condenser, evacuated, and recharge the AC system with R134 refrigerant on a 2002 Dodge Caravan minivan. If only hot air comes out of the air vents in your Grand Caravan, then the problem probably lies somewhere else. Really? 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. This is . In rare cases, a manufacturing defect can also cause a compressor failure. Place the key into the ignition and switch it to the "On" position. If the pressure is higher than the recommended pressure, let some refrigerant out preferably into a rag to avoid exposure. The Dodge Caravan AC is known for one thing.. The pollen filter, also known as the cabin filter or microfilter, is a central component of the ventilation system in your 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. 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. 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. By filling and properly bleeding the system the heat should come back. If found dirty, clean it using a brush. You dont necessarily have to visit a workshop to clean or replace the pollen filter on your Grand Caravan. Refrigerant leak in Grand Caravan can be caused by leaking O-ring seals, leaking condenser or evaporator core, or a cracked hose. 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. Water pumps usually last for more than 100,000 miles, but they can fail at any time. The refrigerant pressure is affected by the outside atmospheric temperature. The compressor is the heart of the air conditioning system in Dodge Grand Caravan. As a rule, there is no avoiding a change if the filter is dirty. After cleaning, reconnect the terminals. Once again I don't have rear climate controls in this van. Doing a DIY diesel swap? 90,000 miles. 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. Keep in mind that the front AC will not cool the van as good as having a twin system. If only hot air comes out of the air vents in your Grand Caravan, then the problem probably lies somewhere else. The videos are intended for information only. The Fora platform includes forum software by XenForo. Jun 14, 2017. 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. Rear controls stuck and blowing high heat no matter what happens in other zones. Home Troubleshooting Dodge Grand Caravan heater not working causes and diagnosis. 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. 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. In rare cases, a fault in the climate control unit can cause the AC to stop cooling. This hinders the condensers ability to release heat as less air passes through the mesh, which results in poor cooling in the interior. Therefore, the filter performance will not increase significantly even after cleaning. You just have to locate the coolant overflow reservoir and inspect the level of coolant in it. All do-it-yourself projects entail some risk. 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 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 such a case, almost the entire air conditioning system has to be replaced. 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. Before you consider replacing the heater core in your Grand Caravan, it is recommended to flush the existing heater core. 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 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. This hinders the condensers ability to release heat as less air passes through the mesh, which results in poor cooling in the cabin. A bad water pump will not only cause poor heating, but can also result in engine damage due to overheating. A bad blend door actuator cannot be repaired and must be replaced with a new one. 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. There are 2 separate evaporators but only one compressor. I have a 2005 . . A professional mechanic can swiftly diagnose the poor AC cooling issue for you. Once the leak has been found, this must be closed again by replacing the respective component. Larger leaks may already be heard or you can find them with a leak detection spray. 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. 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. It consists of moving parts that convert what is actually a gaseous coolant into liquid this is how your vehicle is cooled. One is labelled H for high-pressure and the other one is labelled L for low-pressure. If the condenser is dirty on your Grand Caravan, the simplest solution is to clean it. If you have front AC that is working fine then the rear should also work if the blower is working. 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. Start by inspecting the condition of the cabin air filter on your Grand Caravan. 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. 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. Join now! Rear AC Block Kit Ford E-Series Van. The OBDII connector is usually located under the dashboard. Switch the Mode Control knob to "Panel." The block off kit can be found here: www.streetrodguys.com 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. exactly issue im not sure why people mentioned the filter or a door not closing those 2 has nothing to do with a fan not working !! The vehicle replaced a 2013 Chevrolet Equinox. Once we know what the actual charge is in the system then we can start narrowing it down to just the rear system and a possible door motor issue but if the charge is weak then we will not fix it unless we check this first. CarGurus has 52 nationwide Caravan listings starting at $3,499 . It is important that you enter this 100% correctly, otherwise the result of the search may be inaccurate. Insufficient amount of refrigerant in the AC system is one of the leading causes of AC not blowing cold air in Grand Caravan. Copyright 2023 Leaf Group Ltd. / Leaf Group Media, Auto User Manual: Dodge Caravan Owner's Manual. Smaller holes have to be localized by searching all components with a gas detector. 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. 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. 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. Bad Thermostat The job of your Caravan's thermostat is to regulate the temperature of the engine. 8 people found this helpful. However, if you turn the A/C completely Off, turn the ignition system off. 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. 2019 Dodge Grand Caravan 35 Anniversary Model. So, all of them must be inspected when diagnosing poor airflow. 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The inside of the vehicle is developing a bad moldy smell. A family member purchased a new 2017 Grand Caravan SXT with the rear heat / ac. A bad blend door actuator usually cannot be repaired and must be replaced with a new one. Dirty evaporator can cause weak airflow and reduce the heating performance in Grand Caravan. Since then, she has launched several startups including a t-shirt business, an online marketing and advertising t-shirt distribution business, and an entertainment site. Blend door actuator plays a role in controlling the temperature inside your Grand Caravan. Locate two rubber hoses that connect to the heater core through the firewall area. What 3 far left buttons? Just make sure the temp control on the upper console facing the rear seats is not turn to warm. Let us know what you find with this and we can go from there. Amedee is online now 2023 Vehicle History Inc. All Rights Reserved. A blown head gasket can cause the exhaust gases from the engine to enter the cooling system and plug the heater core. It is a well known problem and any Caravan I have every seen has had this problem. You cannot repair a broken blower motor, the part must be replaced with a new one. year to help you gain confidence about one of your largest purchase decisions. This can have different causes. 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. Insufficient amount of refrigerant is still the main cause of a non-functioning AC system. The heater in Dodge Grand Caravan ensures comfortable temperature in the passenger compartment when the weather is chilly. #1. Less common causes are clogged expansion valve or orifice tube, overcharged oil, faulty blend door actuator, or a defect in the climate control unit. In any case, it is advisable for laypersons to visit a workshop. 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. In the event of a defect, the mechanic can directly initiate the repair. 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 rare cases, a fault in the climate control unit can cause the heater to stop functioning. If Your climate control is not working properly in Your Dodge Caravan then You may want to reset it. Check the owners manual of your vehicle or the fuse box cover to find the exact location of the AC fuses. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Did you ever fix it my van has the same problem but all my blend doors ect.. 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. In this video we show you How To Repair a Dodge Caravan Air Conditioning System. If the coolant level is low, open the cap and pour some coolant into the tank until it is between minimum and maximum mark. Rear A/C Block off Kit Air Conditioning Block Off Compatible with 2012-2016 Town/Country Dodge Caravan w/Dual Bolts. Two compressors for a rear air problem? front air stop blowing. Ditto. 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. Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. 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. 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