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Remove the cap from the low pressure service port labelled L, and connect the AC recharge kit. Over time, grime, bugs and other small particles can build up on its surface and in the gaps of its mesh. 90,000 miles. 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 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. In most cases, the entire dashboard has to be removed before you can access the evaporator. Blower not. Your vehicle may also consume more fuel than normal. Just make sure the temp control on the upper console facing the rear seats is not turn to warm. It is also cryogenic and can cause severe frostbite when it comes in contact with the skin. The system is filled with forming gas (nitrogen with a little hydrogen) in the workshop. Check which type of refrigerant your vehicle uses. 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. 2000 Grand Caravan - drivers side heat not working - Passenger and rear are fine 2 Answers. HVAC with 3 zone controls. 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? Its possible the fan is dead, and you may have to replace it. Resetting the system is something You can do from home but it takes a few steps. If you turn it to heat, does the air get hotter? This can happen due to a leak or if the AC has not been recharged for a long time. Warning: Wear gloves and safety glasses before recharging the AC to avoid accidental exposure to harmful chemicals in the refrigerant. If Your climate control is not working properly in Your Dodge Caravan then You may want to reset it. Bad Thermostat The job of your Caravan's thermostat is to regulate the temperature of the engine. In any case, it is advisable for laypersons to visit a workshop. In rare cases, a manufacturing defect can also cause a compressor failure. The Dodge Caravan AC is known for one thing.. The front air con works greatany ideas would could be the problem and how to fix it! 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The AC will start to calibrate and reset. A professional mechanic can swiftly diagnose the heating issue for you. 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. . If it is blown, replacing the fuse will only solve the problem for a very limited period of time. 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. Seem to be moving and so forth. 2019. She currently resides in South Florida. Therefore it is recommended to do this at a workshop. 24,855 miles. You can recharge your AC through the low-pressure port with a do it yourself AC recharge kit. (But it bothers the wife about 10 days out of the year.) 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. The only thing that helps is swapping with a new one. In the AC settings, find the three leftmost buttons. Did you ever come across a Problem like this? If fans arent coming on, you should have engine overheating issues. However, a bad electrical connector or broken wire, or a defect in the climate control unit can also cause the blower motor to stop working. When looking for the reason, you should always start with the most obvious cause, insufficient amount of refrigerant. This is an illustration of the normal repair that we see in the shop. Aug 25, 2008 2003 Dodge Caravan helpful Flashing lights! Two compressors for a rear air problem? There are two ports in the air conditioning system of Grand Caravan. Your vehicles air conditioning system has an expansion vale or an orifice tube, depending on the model. A clogged or leaking condenser can also be the reason for air-conditioning not working properly on your Grand Caravan. This hinders the condensers ability to release heat as less air passes through the mesh, which results in poor cooling in the cabin. 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. Bought brand new in March 2012. CarGurus has 52 nationwide Caravan listings starting at $3,499 . 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. You must start the Dodge Caravan to reset the Dodge Caravan climate control. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. In that case driving at high speed should blow some cold air from the AC. Note: Dirty cabin air filter mostly only leads to reduced cooling. Refrigerant leak in Grand Caravan can be caused by leaking O-ring seals, leaking condenser or evaporator core, or a cracked hose. I have a 1994 Dodge Caravan with 130,000 miles on it. Rear AC Block Kit Ford E-Series Van. If only hot air comes out of the air vents in your Grand Caravan, then the problem probably lies somewhere else. 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. 2023 Vehicle History Inc. All Rights Reserved. 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. The rear HVAC housing has electric stepper motors driving the temperature blend door (cool/warm) and the air mode door (side/headliner vents). The rear a/c works very, very well and they are very pleased with the a/c system. 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. I have a 2005 . 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. There are several causes for AC not blowing cold air in Grand Caravan, which we will go through in this article. Insufficient lubricant: The compressor in Grand Caravan needs lubrication to function properly and minimize mechanical wear by reducing friction. Due to the complexity of the replacement job, it is not recommended as a DIY project. To improve heating efficiency, it is recommended to switch on air recirculation mode. To begin troubleshooting, you must first connect the diagnostic tool to your Grand Caravan. Note: Dirty cabin air filter mostly only leads to reduced cooling. A blown head gasket can cause the exhaust gases from the engine to enter the cooling system and plug the heater core. Did you ever fix it my van has the same problem but all my blend doors ect.. If the temperature changes a little, the module may need calibration with the scan tool (StarScan, StarMobile, etc). 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 two systems are joined, so if for example you lose freon, you will lose AC in the front and rear. 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. 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. Therefore it is important to diagnose a failing water pump at early stages to avoid expensive repairs later on. Once the leak has been found, this must be closed again by replacing the respective component. After cleaning, reconnect the terminals. 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. A professional mechanic can swiftly diagnose the poor AC cooling issue for you. If the fuse is blown, replace it with a new one with the specified amp rating. Press and hold the top one and bottom one. 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 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. The Questions and Answers on this page are the statements and opinions of their respective authors and not VehicleHistory.com. 3 offers from $32.73. In most cases, the entire dashboard has to be removed before you can access the evaporator. My rear a/c is not working in my 2008 town and country, blowers work fine but only blow warm air. A maximum of the metal pipes can be rinsed here. The water pump is the heart of the cooling system in Grand Caravan responsible for pumping coolant throughout the system and cooling the engine. It also puts unnecessary strain on the entire AC system which negatively impacts your Grand Caravans fuel consumption. 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. 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. 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. Instead of changing it directly, it is often recommended to first clean the pollen filter. 0%. RB The Mechanic assumes no liability for property damages or injury incurred as a result of any of the information contained in this video. The blend door actuator may require recalibration after replacement. The air flow from the vents is choppy and not smooth. However, if you turn the A/C completely Off, turn the ignition system off. 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. 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. To complete the reset, press the top button. A patient turn the temp control to warm because the air conditioner was too cold. This setting only directs air to your face and upper body and not your feet. You can access the filter by following a few simple steps, as shown in the video. There are many reasons for poor heating performance in Grand Caravan, which are explained in this article. 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. does not research or authenticate any of the Answers provided. Specifically replace the condenser, evacuated, and recharge the AC system with R134 refrigerant on a 2002 Dodge Caravan minivan. Check all the relevant fuses and relays related to the air-conditioning system in your Grand Caravan. 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. Blend air doors can be a problem. If there is a problem with the temperature of the air conditioning system, it could be due to a bad blend door actuator. Over time, grime, bugs and other small particles can build up on its surface and in the gaps of its mesh. The OBDII connector is usually located under the dashboard. Just like with low refrigerant, the AC in Grand Caravan will blow warm air only if the AC system is overcharged with refrigerant. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling, heating and air flow. What these are and what you can do about it, we explain in this article. What 3 far left buttons? Check fan relay. You dont necessarily have to visit a workshop to clean or replace the pollen filter on your Grand Caravan. 166. 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. Blower not working, no air condition or heat? Water pumps usually last for more than 100,000 miles, but they can fail at any time. Ditto. Had a similar issue with a blend door on a 2009 Honda Civic and those blend doors are VERY easy to get to, so I checked them both and the passenger side was sticky, sprayed some lube on the actuator arm and dusted the gunk off and it's been working since. The block off kit can be found here: www.streetrodguys.com 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. Home Troubleshooting Dodge Grand Caravan AC not working causes and how to fix it. 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. 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. . JavaScript is disabled. Hey its possible Just on the right screen corner where it says rear climate ,Tap it and you'll find the unlock and lock air climate in rear so you can switch it back on or off whichever you like. 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.) A leaking condenser can lead to a loss of refrigerant and reduced cooling performance of the system. 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 heating or cooling. Ask your Dodge dealer. 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. For a better experience, please enable JavaScript in your browser before proceeding. 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. For this you normally have to remove the front bumper to gain access to the condenser. 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. Although, the evaporator coil is a component of the cooling function of the air-conditioning system, but the air always first passes through the evaporator and then flows over the heater core. When the heater is turned on and the AC turned off, the compressor does not turn on and the evaporator is not cooled. Low coolant level or air in the cooling system can cause the heater to stop working properly in Grand Caravan. If you have front AC that is working fine then the rear should also work if the blower is working. 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. 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. The rear works fine, AC cycles on fine, but no matter what I can't get any air to come out of the front. Feel both the rubber lines going in and out of the heater core after the engine has warmed up. Turn on the AC and set it to the coldest setting, and the fan speed to maximum. Don't worry, you can still start your vehicle - the battery is only used to send the signal for locking/unlocking. Follow the manufactures repair procedure and use appropriate safety procedures. 8.8K views 1 year ago 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? One is labelled H for high-pressure and the other one is labelled L for low-pressure. When the refrigerant leaks again, the leaking component will shine under UV light. There is no fixed time for replacing the cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. We research hundreds of models each Very common problem & they were surprised there . There can also be a refrigerant leak in the evaporator, in that case the evaporator will have to be replaced. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling and air flow. Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. This vehicle was purchased in July 2014 and as of July 2015, the REAR Air Conditioning unit has stopped working. It's fake /inaccurate, What high and low buttons? Low coolant level or air in the heater core can sometimes cause sloshing sound from behind the dashboard when the engine is running. ! 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. 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. If the compressor fails, the AC will only blow warm air. I have air in front of the van but my back is only blowing out hot air. 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. front air stop blowing. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. Next You will need to press the highest and lowest buttons on the AC control panel until the AC light begins to flash. The AC stopped working a while ago. 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 condenser is dirty on your Grand Caravan, the simplest solution is to clean it. In addition to the normal loss, component defects are usually responsible for the escape of the refrigerant gas on Dodge Grand Caravan. Start by inspecting the condition of the cabin air filter on your Grand Caravan. Therefore, it is recommended to do this in a workshop. 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. Jul 13, 2012. 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. The vehicle replaced a 2013 Chevrolet Equinox. Step 3 Locate the three leftmost buttons in the AC controls. 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. 2014 caravan. Check your vehicles owners manual or look under the hood to find the type of the refrigerant your vehicle uses. For us shade tree mechanics and cheap people the best fix is to just block the rear ac off. 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. You need a pro that specializes in AC systems to troubleshoot what the issues are. fan is running and no air is moving. stop for 20 minutes and it work for 1 hour then quit. The result is a defective compressor that can no longer be repaired. If only hot air comes out of the air vents in your Grand Caravan, then the problem probably lies somewhere else. That means every time you start the van, climate controls go through self adjustment and check every blend door actuator and blend door. This mode is useful for clearing fog from the windows. Doing a DIY diesel swap? This can have different causes. You dont have to remove the heater core in your Grand Caravan to check if it is clogged. Its purpose is to seal the combustion gases within the cylinders and to avoid coolant or engine oil leaking into the cylinders. This would require a scan tool to confirm correct operation. The head gasket is responsible for providing the seal between the engine block and cylinder heads. 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. 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. Leak was due. VehicleHistory.com 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. Both of these are at risk of clogging due to contamination, for example due to metal shavings from a failing compressor. 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. The hot coolant is pumped through the heater core located behind the dashboard. 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. The wiring harness itself can go bad. If one is hot and the other is cold, you have a plugged heater core. 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.

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