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 best fix is to replace the rear evaporator and hope it goes more than 2 years before the problem happens again. Blend door actuator plays a role in controlling the air flow and temperature inside your Grand Caravan. The water pump is the heart of the cooling system in Grand Caravan responsible for pumping coolant throughout the system and cooling the engine. Join now! Had front blower fan not working and rear was. 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. It's an obvious rear mode door or switchology problem as stated. Here's a good order to go about checking your van's air conditioning system: First, check the condenser to make sure it's not blocked by any debris. Release the buttons once you see the light flash. The procedure, commonly called calibration, initiates the self diagnostic test and system reset for the vehicle's air conditioning. If the liquid changes color, then there is a leak in head gasket. After cleaning, reconnect the terminals. So, all of them must be inspected when diagnosing poor airflow. Check which type of refrigerant your vehicle uses. 5th Generation Chrysler Minivans: 2008-2020, 4th Generation Chrysler Minivans: 2001-2007, 3rd Generation Chrysler Minivans: 1996-2000, 2nd Generation Chrysler Minivans: 1991-1995. Excessive oil can also reduce the performance of the compressor and can cause it to fail prematurely. The Dodge Caravan AC is known for one thing.. 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. (But it bothers the wife about 10 days out of the year.) Place the key into the ignition and switch it to the "On" position. This mode is useful for clearing fog from the windows. What 3 far left buttons? Home Troubleshooting Dodge Grand Caravan heater not working causes and diagnosis. This can have different causes. To complete the reset, press the top button. 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. The most common symptom of faulty blend door actuator on Dodge Grand Caravan is a slight clicking sound repeatedly coming from under the dashboard. 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. Mechanic refilled with Freon to include dye so that he could detect a leak. After two years, Braun left to pursue her entrepreneurial dreams. 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. The sound will be most prominent for a few seconds when you turn on the air conditioning or adjust the temperature. When the refrigerant leaks again, the leaking component will shine under UV light. 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. Less common causes are clogged expansion valve or orifice tube, overcharged oil, faulty blend door actuator, or a defect in the climate control unit. Remove the glove compartment, unscrew the blower fan and then unplug the electricity to it. You cannot repair a broken blower motor, the part must be replaced with a new one. Insert the key into the ignition and turn to the "On" position. Press and hold the top one and bottom one. If your Grand Caravan has push start/stop button, then its possible that your vehicle may not start due to weak key fob battery. 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. I have a 2005 . You must start the Dodge Caravan to reset the Dodge Caravan climate control. In this way, it can be determined whether the loss of refrigerant is due to a defective condenser. does not research or authenticate any of the Answers provided. There is no prescribed time for changing cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. ChryslerMinivan.net is the best forum for Chrysler Town and Country owners to discuss mileage, price, problems, towing and more. Although most of the dirt and other particles in the air are filtered by the cabin air filter, but some particles do escape and can cling to the fins of the blower cage. Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. 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. The result is a defective compressor that can no longer be repaired. Did you ever fix it my van has the same problem but all my blend doors ect.. The Dodge Caravan AC is known for one thing.. Press and hold the top one and bottom one. Tried the above reset, didn't work. 2016 Dodge Grand Caravan This problem may be covered under warranty. 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? 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 !! If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. When looking for the reason, you should start with the most obvious causes: low coolant level or air in the cooling system, and clogged heater core. 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Just have it refilled and you can drive with pleasant temperatures again. VehicleHistory.com JavaScript is disabled. The videos are intended for information only. Jul 13, 2012. The compressor is the heart of the entire air conditioning system on Dodge Grand Caravan. The failure mileage was 125,393. If this is the case, the only option is to replace the broken part. There are two ports in the air conditioning system of Grand Caravan. Mark helpful. 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 cooling. Did you ever come across a Problem like this? It also puts unnecessary strain on the entire AC system which negatively impacts the fuel consumption. fan is running and no air is moving. In rare cases, a fault in the climate control unit can cause the heater to stop functioning. In any case, it is advisable for laypersons to visit a workshop. You can recharge your AC through the low-pressure port with a do it yourself AC recharge kit. I have air in front of the van but my back is only blowing out hot air. There is only one small cable running to the blower fan which transmits the electricity. 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. Inspect the cabin air filter (if equipped) to verify that it is not clogged. Larger leaks may already be heard or you can find them with a leak detection spray. Rear ac in Dodge Grand Caravan not blowing. 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. 2010 T&C Touring, 3.8L, 6 Speed 62TE Trans. There are many reasons for poor heating performance in Grand Caravan, which are explained in this article. A patient turn the temp control to warm because the air conditioner was too cold. The heater in Dodge Grand Caravan ensures comfortable temperature in the passenger compartment when the weather is chilly. 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. 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. The rear HVAC housing has electric stepper motors driving the temperature blend door (cool/warm) and the air mode door (side/headliner vents). Check fan relay. Doing a DIY diesel swap? Keep in mind that the front AC will not cool the van as good as having a twin system. 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. Let us know what you find with this and we can go from there. If the blend door actuator fails to fully open the blend door towards the heater core, it will result in poor heating performance. The sound is most prominent right after you start the vehicle. This is mostly common in older vehicles. There is only one compressor so the freon must travel to the rear evaporator. If it is blown, replacing the fuse will only solve the problem for a very limited period of time. A clogged or leaking condenser can also be the reason for air-conditioning not working properly on your Grand Caravan. 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. Just make sure the temp control on the upper console facing the rear seats is not turn to warm. . In any case, it is advisable for laypersons to visit a workshop. Check all front HVAC fuses and relays M11 and J15 I believe, all good. If one is hot and the other is cold, you have a plugged heater core. I have a 2005 . If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. Very common problem & they were surprised there . 18,300 miles. Refrigerant leak in Grand Caravan can be caused by leaking O-ring seals, leaking condenser or evaporator core, or a cracked hose. Instead of changing the cabin air filter in Grand Caravan, it is often recommended to first clean the filter. The dryer is often overlooked. As a rule, there is no avoiding a change if the filter is dirty. 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 the fuse is blown, replace it with a new one with the specified amp rating. 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. tried different settings, defrost, floor and turn the heat on. 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. Grand Caravan Crew 3.6L V6 Automatic transmission 46,300 miles AC stopped blowing cold. 24,855 miles. The blower motor is the central component of the air conditioning system in Grand Caravan, responsible for blowing cold air through the AC vents. This can happen due to a leak or if the AC has not been recharged for a long time. Leak was due. In rare cases, a fault in the climate control unit can cause the AC to stop cooling. In case of severe contamination, multiple components may have to be replaced, including the condenser, the evaporator and the compressor. Possible leaks or failed components in the rear. 90,000 miles. The air conditioning is a blessing, especially in hot temperatures. Just make sure the temp control on the upper console facing the rear seats is not turn to warm. Don't worry, you can still start your vehicle - the battery is only used to send the signal for locking/unlocking. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling, heating and air flow. 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. Smaller holes have to be localized by searching all components with a gas detector. Amedee is online now If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. To improve heating efficiency, it is recommended to switch on air recirculation mode. This information is typically located under the hood and/or in the owners manual. The vehicle was not repaired. 3 offers from $32.73. In any case, it is advisable for laypersons to visit a workshop. Instead of changing the cabin air filter in Grand Caravan, it is often recommended to first clean the filter. 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? You just have to locate the coolant overflow reservoir and inspect the level of coolant in it. 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. 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. There can also be a refrigerant leak in the evaporator, in that case the evaporator will have to be replaced. 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. 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. Place the key into the ignition and switch it to the "On" position. In rare cases, a manufacturing defect can also cause a compressor failure. This would require a scan tool to confirm correct operation. year to help you gain confidence about one of your largest purchase decisions. 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. When looking for the reason, you should always start with the most obvious cause, insufficient amount of refrigerant. Happened on the 2008 Dodge I drive for the company. Therefore, the filter performance will not increase significantly even after cleaning. A knocking noise from behind the dashboard could be an indicator of a bad blend door actuator in your Grand Caravan. 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. Specifically replace the condenser, evacuated, and recharge the AC system with R134 refrigerant on a 2002 Dodge Caravan minivan. Thanks The air flow from the vents is choppy and not smooth. 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. Therefore, the filter performance will not increase significantly even after cleaning. 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. As a rule, there is no avoiding a change if the filter is dirty. However, if you dont turn on the air conditioning on your Grand Caravan for a long time, the parts will stick. 2019 Dodge Grand Caravan 35 Anniversary Model. It will be anywhere from $1000 tp $1500 to have a garage do the work. Bad Thermostat The job of your Caravan's thermostat is to regulate the temperature of the engine. Connect the pressure gauge to the low pressure (L) port in Grand Caravan. Aug 25, 2008 2003 Dodge Caravan helpful Flashing lights! 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. Rear AC Block Kit Ford E-Series Van. Christopher S July 30, 2020. It is important that you enter this 100% correctly, otherwise the result of the search may be inaccurate. The rear a/c works very, very well and they are very pleased with the a/c system. If there is a problem with the temperature of the air conditioning system, it could be due to a bad blend door actuator. nothing. However, the high-pressure refrigerant pulls these chips back with it during operation and the next damage is inevitable. Clearing the air from the heater core will not help until the head gasket has been replaced. 92492 20+ yrs. The system is filled with forming gas (nitrogen with a little hydrogen) in the workshop. There are several causes for AC not blowing cold air in Grand Caravan, which we will go through in this article. Instead of changing it directly, it is often recommended to first clean the pollen filter. Air should blow out of the vents at different intervals during the reset. Both of these are at risk of clogging due to contamination, for example due to metal shavings from a failing compressor. You dont have to go to a workshop to check for a leaking head gasket in your Grand Caravan. 56,823 Satisfied Customers 20+ yrs. 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. A blown head gasket can cause the exhaust gases from the engine to enter the cooling system and plug the heater core. 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. It is the sole responsibility of the viewer to assume this risk. If only hot air comes out of the air vents in your Grand Caravan, then the problem probably lies somewhere else. Blower not working, no air condition or heat? 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. Bought brand new in March 2012. If the condenser is dirty on your Grand Caravan, the simplest solution is to clean it. 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. The hot coolant is pumped through the heater core located behind the dashboard. Sometimes when a thermostat goes bad, it stays stuck open. 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.