If the blend door actuator fails to fully open the blend door towards the heater core, it will result in poor heating performance. Since the heater core is usually slightly higher, the air will accumulate in there first. In the event of a defect, the mechanic can directly initiate the repair. 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 block off kit can be found here: www.streetrodguys.com 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. 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. 2014 caravan. When looking for the reason, you should always start with the most obvious cause, low refrigerant level in the system. 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. Check the owners manual of your vehicle or the fuse box cover to find the exact location of the AC fuses. As a rule, there is no avoiding a change if the filter is dirty. There is no fixed time for replacing the cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. Remove the blower motor, typically located under the passenger side dashboard, and inspect the condition of the cage. experience as repair shop manager and technician. After two years, Braun left to pursue her entrepreneurial dreams. Step 2 Turn the Mode Control dial to "Panel." This setting only directs air to your face and upper body and not your feet. If you turn it to heat, does the air get hotter? Checking coolant level in Grand Caravan is a fairly some job. 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. The leak can be diagnosed by injecting small amount of fluorescent dye into the AC system. If one is hot and the other is cold, you have a plugged heater core. If you have front AC that is working fine then the rear should also work if the blower is working. The refrigerant pressure is affected by the outside atmospheric temperature. This setting only directs air to your face and upper body and not your feet. One is labelled H for high-pressure and the other one is labelled L for low-pressure. The inside of the vehicle is developing a bad moldy smell. Heat and air works great but if you say, switch to floor then it willbe floor and face. 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. Your vehicle may also consume more fuel than normal. You need a pro that specializes in AC systems to troubleshoot what the issues are. Check fan relay. However, if you turn the A/C completely Off, turn the ignition system off. A knocking noise from behind the dashboard could be an indicator of a bad blend door actuator in your Grand Caravan. Another patient said the AC is just blowing warm air. The procedure, commonly called calibration, initiates the self diagnostic test and system reset for the vehicle's air conditioning. Excessive oil can also reduce the performance of the compressor and can cause it to fail prematurely. What 3 far left buttons? Additionally, if you drive your Grand Caravan with AC system set to fresh outside air most of the time, your cabin air filter will get dirty much sooner as compared to air recirculation mode. Christopher S July 30, 2020. 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 design of the heater core is similar to the radiator, it has narrow internal channels through which hot coolant flows. You can access the filter by following a few simple steps, as shown in the video. Tried all combinations of power on, rotating the know etc. Doing a DIY diesel swap? 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 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. Air should blow out of the vents at different intervals during the reset. Therefore, it is recommended to do this in a workshop. The OBDII connector is usually located under the dashboard. fan is running and no air is moving. To begin troubleshooting, you must first connect the diagnostic tool to your Grand Caravan. As a rule, there is no avoiding a change if the filter is dirty. Press the top button to complete the reset. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The hot coolant is pumped through the heater core located behind the dashboard. The minivan was first manufactured in 1983 and remains in production as of 2011. Low coolant level or air in the heater core can sometimes cause sloshing sound from behind the dashboard when the engine is running. Did you ever fix it my van has the same problem but all my blend doors ect.. In any case, it is advisable for laypersons to visit a workshop. The heater in Dodge Grand Caravan ensures comfortable temperature in the passenger compartment when the weather is chilly. 0% 37 % of the time it's the AC Refrigerant Leak 0% 21 % of the time it's the Climate Control Electrical Issue 0% 12 % of the time it's the AC Compressor 0% 30 % of the time it's 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. 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. The excess oil may pool in various places of the AC system and can coat the inner walls of the evaporator and condenser, diminishing their ability to absorb or dissipate heat, consequently reducing the overall cooling performance. When looking for the reason, you should always start with the most obvious cause, insufficient amount of refrigerant. 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. Mark helpful. Step 1 Start the Dodge Caravan. What was replaced? Leak discovered. 8 people found this 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. Your air conditioning system no longer cools properly? Jun 14, 2017. A defective sealing ring, a worn line or a condenser that has been damaged by a stone chip are the most common causes. So, all of them must be inspected when diagnosing poor air flow. 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. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling and air flow. Therefore, the filter performance will not increase significantly even after cleaning. The result is a defective compressor that can no longer be repaired. 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. Blower not. The best fix is to replace the rear evaporator and hope it goes more than 2 years before the problem happens again. This is mostly common in older vehicles. Once again I don't have rear climate controls in this van. This hinders the condensers ability to release heat as less air passes through the mesh, which results in poor cooling in the interior. Just make sure the temp control on the upper console facing the rear seats is not turn to warm. If fans arent coming on, you should have engine overheating issues. ( 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | SE | CVP | AMP | SXT | LIMITED | CREW | VALUE PACKAGE | EXPRESS ).This is just the explanation video. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced heating and airflow. There is only one small cable running to the blower fan which transmits the electricity. Most modern vehicles use R-134a refrigerant, but newer vehicles are increasingly using R-1234yf as a more environmentally friendly replacement. ZIP: #1 Paul Reputation 2,020 #2 tenspeed Reputation 1,510 #3 Dan Ritz Reputation 1,480 Jul 18, 2012. If your Grand Caravan is losing coolant, that means there is a leak somewhere or it is getting burned up inside the engine. . There are many reasons why your Dodge Grand Caravan AC is not cooling properly. could the drain be plug and the evaporator is freezing up? AC dont work on Dodge Caravan Check FUSE & Relay RB The Mechanic 59.2K subscribers Subscribe 44K views 2 years ago Due to factors beyond the control of RB The Mechanic, it cannot guarantee. For us shade tree mechanics and cheap people the best fix is to just block the rear ac off. Note: Dirty cabin air filter mostly only leads to reduced cooling. A family member purchased a new 2017 Grand Caravan SXT with the rear heat / ac. 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. Follow the manufactures repair procedure and use appropriate safety procedures. This information is typically located under the hood and/or in the owners manual. Warning: Wear gloves and safety glasses before recharging the AC to avoid accidental exposure to harmful chemicals in the refrigerant. Don't even try that "method" .it's a copy of a dumb directions of a dealership website word for word And it continues to say that the left buttons are for the washer fluid and the rear defroster or something like that . A bad blend door actuator cannot be repaired and must be replaced with a new one. Press and hold the top one and bottom one. Its possible the fan is dead, and you may have to replace it. Flushing is done by pushing water through the outlet hose of the heater core and draining the gunk from the inlet hose. Mine is 2011 and has turn knobs for fan & temp. 37 % of the time it's the. Dodge Grand Caravan Sport: 2003 Grand Caravan Sport 3.8l 128000km 2003 Grand Caravan Sport 3.8l 128000km with front- and rear-AC system. #1. Over time, the heater core can begin to rust or mineral deposits can form in these channels, blocking the flow of the coolant. Low coolant level or air in the cooling system can cause the heater to stop working properly in Grand Caravan. 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. In that case driving at high speed should blow some cold air from the AC. Automatic transmission. Therefore it is recommended to do this at a workshop. CarGurus has 52 nationwide Caravan listings starting at $3,499 . A patient turn the temp control to warm because the air conditioner was too cold. Jul 13, 2012. 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 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. 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. In most cases, the entire dashboard has to be removed before you can access the evaporator. Shake the canister briefly and release the refrigerant into the system until the recommended pressure has been achieved. RB The Mechanic assumes no liability for property damages or injury incurred as a result of any of the information contained in this video. 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. Therefore, the filter performance will not increase significantly even after cleaning. tried different settings, defrost, floor and turn the heat on. 2014 Dodge Grand Caravan SXT (about 65k miles) . You just have to locate the coolant overflow reservoir and inspect the level of coolant in it. 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. 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. Check the system pressure. You must start the Dodge Caravan to reset the Dodge Caravan climate control. The only thing that helps is swapping with a new one. This hinders the condensers ability to release heat as less air passes through the mesh, which results in poor cooling in the cabin. 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 blend door actuator may require recalibration after replacement. Rear controls stuck and blowing high heat no matter what happens in other zones. 56,823 Satisfied Customers 20+ yrs. The Town & Country and Grand Caravan mini vans are susceptible to rear A/C issues, especially in the rust belt. A patient turn the temp control to warm because the air conditioner was too cold. First You will need to start the van and make sure the mode in the vehicle is set to panel. Bad Thermostat The job of your Caravan's thermostat is to regulate the temperature of the engine. Check which type of refrigerant your vehicle uses. 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. The videos are intended for information only. 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. In the AC settings, find the three leftmost buttons. 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. Rear AC not working Rear AC not working 2016 Dodge Grand Caravan Asked by Visitor in Englewood, CO on September 05, 2021 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. Wisconsin certified. However, if you dont turn on the air conditioning on your Grand Caravan for a long time, the parts will stick. This gives you a fresh start for the winter, improves defroster performance, and reduces chances of mold or mildew growth. 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. Just make sure the temp control on the upper console facing the rear seats is not turn to warm. Caravan fan and ac not working 1 Answer. 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. Eric is online now Continue Related Dodge Questions My Dodge grand Caravan rear AC is blowing hot air while my The system is filled with forming gas (nitrogen with a little hydrogen) in the workshop. 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. This can have different causes. An overcharged system not only affects cooling performance but can also damage the compressor and sometimes can cause a major leak. 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. A professional mechanic can swiftly diagnose the poor AC cooling issue for you. I have a 2005 . 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. 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. Before you consider replacing the heater core in your Grand Caravan, it is recommended to flush the existing heater core. She currently resides in South Florida. Rear blower will not turn on. Over time, grime, bugs and other small particles can build up on its surface and in the gaps of its mesh. This mode is useful for clearing fog from the windows. 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 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. It is not only responsible for pumping the refrigerant throughout the AC system but also converting the refrigerant from gaseous state to liquid state as it passes through the condenser. 2019. 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. 2000 Grand Caravan - drivers side heat not working - Passenger and rear are fine 2 Answers. A low refrigerant level in your Grand Caravan does not necessarily mean there is a leak. year to help you gain confidence about one of your largest purchase decisions. 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. 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. 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. Weak key fob battery. "AC unit" - what does that mean? Clogged heater core is one of the leading causes of heating not working in Dodge Grand Caravan. A clogged or leaking condenser can also be the reason for air-conditioning not working properly on your Grand Caravan. Caravan fan and ac not working 1 Answer. Aug 25, 2008 2003 Dodge Caravan helpful Flashing lights! This is . 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. A broken compressor is usually irreparable. 90,000 miles. With the tool connected, turn on the ignition. 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. Place the key into the ignition and switch it to the "On" position. 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. dash and headlights RESET PROCEDURE With the ignition off, press the TRIP and RESET buttons at the same time you turn on the ignition. Do you still sweat while driving your Dodge Grand Caravan? Really? 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. Rear AC Block Kit Ford E-Series Van. 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Ditto. The AC will start to calibrate and reset. A bad water pump will not only cause poor heating, but can also result in engine damage due to overheating. 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. 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. 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. Bought brand new in March 2012. Most diagnostic devices then ask for some information about the vehicle. Grand Caravan Blacktop Package 3.6L. The compressor is the heart of the entire air conditioning system on Dodge Grand Caravan. Check your vehicles owners manual or look under the hood to find the type of the refrigerant your vehicle uses. 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. Blend door actuator plays a role in controlling the temperature inside your Grand Caravan. There are two ports in the air conditioning system of Grand Caravan. 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. What to do? A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling, heating and air flow. 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. IMPORTANT COVID 19 SHIPPING NOTICE. 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. 24,855 miles. Dirty evaporator can cause weak airflow and reduce the heating performance in Grand Caravan. The front air con works greatany ideas would could be the problem and how to fix it! The most common causes for AC blowing hot air in Dodge Grand Caravan are low or overcharged refrigerant, compressor malfunction, dirty condenser or evaporator coils, faulty blend door actuator, defective evaporator temperature sensor, bad AC pressure sensor, and bad fuse or relay. The air conditioning is a blessing, especially in hot temperatures. 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.) Cabin air filter captures most of the dirt or other airborne particles, but some escape and fall on to the evaporator. Check all the relevant fuses and relays related to the air-conditioning system in your 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. This is an illustration of the normal repair that we see in the shop. Since the two heat exchangers (condenser and evaporator) are designed in cross-flow design, the detergent finds the path with the least resistance and leaves the chips behind. There is only one compressor so the freon must travel to the rear evaporator. The sound is most prominent right after you start the vehicle. (But it bothers the wife about 10 days out of the year.) If only hot air comes out of the air vents in your Grand Caravan, then the problem probably lies somewhere else. The vehicle has an air conditioning system (AC) to cool passengers during warm weather and hot drives. In rare cases, a fault in the climate control unit can cause the AC to stop cooling. Mechanic refilled with Freon to include dye so that he could detect a leak. In this way, it can be determined whether the loss of refrigerant is due to a defective 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. Remove the cap from the low pressure service port labelled L, and connect the AC recharge kit. A bad blend door actuator usually cannot be repaired and must be replaced with a new one. It also puts unnecessary strain on the entire AC system which negatively impacts your Grand Caravans fuel consumption. Determine if the blend door is moving. We research hundreds of models each Many - Many - Many . 2000 Grand Caravan - drivers side heat not working - Passenger and rear are fine 2 Answers. VehicleHistory.com If found dirty, clean it using a brush. So, all of them must be inspected when diagnosing poor airflow. Therefore it is important to diagnose a failing water pump at early stages to avoid expensive repairs later on. 5th Generation Chrysler Minivans: 2008-2020, 4th Generation Chrysler Minivans: 2001-2007, 3rd Generation Chrysler Minivans: 1996-2000, 2nd Generation Chrysler Minivans: 1991-1995. 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. Locate two rubber hoses that connect to the heater core through the firewall area. A knocking noise from behind the dashboard could be an indicator of a bad blend door actuator in your Grand Caravan. Note: Dirty cabin air filter mostly only leads to reduced cooling. The sound will be most prominent for a few seconds when you turn on the air conditioning or adjust the temperature. 92492 20+ yrs. YOU HAVE TO GO WITH DODGE OEM BLEND DOOR ACTUATOR (MOPAR).Part #: M8679001Watch my video for the full explanation.Rear temperature blend door actuator replacement:https://youtu.be/F3QhRBu5AvgPassenger side blend door actuator replacement:https://youtu.be/CYTsrmHK9uUGive me your support and join the channel:https://www.youtube.com/channel/UCvyScrAKiK8NL66K4yrQTnA/joinThanks for watching.Don't forget to Like the video / SUBSCRIBE to the channel! DISCLAIMER:While QuiteAlright strives to make the information provided in this video as accurate as possible, it makes no claims, promises, or guarantees about the accuracy, completeness or applicability of the content. If you only install a new compressor here, another failure is inevitable, as the chips immediately destroy the new component. If it is blown, replacing the fuse will only solve the problem for a very limited period of time. 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.
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