This can happen due to a leak or if the AC has not been recharged for a long time. Christopher S July 30, 2020. Caravan fan and ac not working 1 Answer. A low refrigerant level in your Grand Caravan does not necessarily mean there is a leak. Check the system pressure. The Dodge Caravan AC is known for one thing.. You dont necessarily have to visit a workshop to clean or replace the pollen filter on your Grand Caravan. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Resetting the system is something You can do from home but it takes a few steps. I have a 1994 Dodge Caravan with 130,000 miles on it. If you only install a new compressor here, another failure is inevitable, as the chips immediately destroy the new component. Heat and air works great but if you say, switch to floor then it willbe floor and face. Home Troubleshooting Dodge Grand Caravan heater not working causes and diagnosis. You cannot repair a broken blower motor, the part must be replaced with a new one. If you have front AC that is working fine then the rear should also work if the blower is working. 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. by Ed Ruelas on January 04, 2016 Heating AC Inspection Cost Service Location SELECT YOUR VEHICLE $94.99 - $114.99 Price range for all vehicles ( 68) This setting only directs air to your face and upper body and not your feet. I have air in front of the van but my back is only blowing out hot air. Below is a chart that will help with proper pressures. Follow the manufactures repair procedure and use appropriate safety procedures. The rear a/c works very, very well and they are very pleased with the a/c system. Locate two rubber hoses that connect to the heater core through the firewall area. This mode is useful for clearing fog from the windows. Most modern vehicles use R-134a refrigerant, but newer vehicles are increasingly using R-1234yf as a more environmentally friendly replacement. Did you ever come across a Problem like this? Join now! VehicleHistory.com With the tool connected, turn on the ignition. 10 offers from $23.29. 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 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. Bought brand new in March 2012. However, the high-pressure refrigerant pulls these chips back with it during operation and the next damage is inevitable. nothing. Weak key fob battery. Don't worry, you can still start your vehicle - the battery is only used to send the signal for locking/unlocking. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. 2000 Grand Caravan - drivers side heat not working - Passenger and rear are fine 2 Answers. 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. This is an illustration of the normal repair that we see in the shop. stop for 20 minutes and it work for 1 hour then quit. Automatic transmission. 2019. 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. The only thing that helps is swapping with a new one. The sound will be most prominent for a few seconds when you turn on the air conditioning or adjust the temperature. Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. Therefore, the filter performance will not increase significantly even after cleaning. Copyright 2023 Leaf Group Ltd. / Leaf Group Media, Auto User Manual: Dodge Caravan Owner's Manual. The AC stopped working a while ago. Low coolant level or air in the cooling system can cause the heater to stop working properly in Grand Caravan. Press the top button to complete the reset. 3.8 out of 5 stars. If the liquid changes color, then there is a leak in head gasket. By filling and properly bleeding the system the heat should come back. The refrigerant pressure is affected by the outside atmospheric temperature. You dont have to go to a workshop to check for a leaking head gasket in your Grand Caravan. It is a well known problem and any Caravan I have every seen has had this problem. Just make sure the temp control on the upper console facing the rear seats is not turn to warm. It's an obvious rear mode door or switchology problem as stated. 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. Cleaning the evaporator in Grand Caravan is not a simple task. 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. experience as repair shop manager and technician. You can recharge your AC through the low-pressure port with a do it yourself AC recharge kit. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. 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. Insert the key into the ignition and turn to the "On" position. 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. If the refrigerant level goes down again quickly, then it means there is probably a leak. The rear HVAC housing has electric stepper motors driving the temperature blend door (cool/warm) and the air mode door (side/headliner vents). The minivan was first manufactured in 1983 and remains in production as of 2011. 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. 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. The worst damage, however, is a failure of the AC compressor when it eats itself due to insufficient lubrication or a production error, metal chips form, which are distributed throughout the Grand Caravans AC system. I have a 2005 . Amedee is online now Press and hold the top one and bottom one. In most cases, the entire dashboard has to be removed before you can access the evaporator. tried different settings, defrost, floor and turn the heat on. Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. Locate the three leftmost buttons in the AC controls. Most diagnostic devices then ask for some information about the vehicle. IMPORTANT COVID 19 SHIPPING NOTICE. Keep in mind, an AC compressor can fail without any apparent cause, especially in older vehicles or in vehicles that have racked up too many miles. 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. 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. Hope this helps. Turn the Mode Control dial to "Panel." Had front blower fan not working and rear was. What 3 far left buttons? The blend door actuator may require recalibration after replacement. 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. After two years, Braun left to pursue her entrepreneurial dreams. 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. could the drain be plug and the evaporator is freezing up? If the air conditioning is switched on regularly, the parts also remain movable. If the pressure is higher than the recommended pressure, let some refrigerant out preferably into a rag to avoid exposure. Heat up and heat down?I have a 2017 Dodge Grand Caravan back AC very hit and miss - not working, Pull the M 11 fuse if you dont have the power button. Remove the blower fan in a Dodge Caravan by first disconnecting the battery, then waiting two minutes to disable the airbags. . Find a better mechanic. The dryer is often overlooked. Determine if the blend door is moving. dash and headlights RESET PROCEDURE With the ignition off, press the TRIP and RESET buttons at the same time you turn on the ignition. To improve heating efficiency, it is recommended to switch on air recirculation mode. 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. 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A patient turn the temp control to warm because the air conditioner was too cold. We research hundreds of models each 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. The best fix is to replace the rear evaporator and hope it goes more than 2 years before the problem happens again. If there is a problem with the temperature of the air conditioning system, it could be due to a bad blend door actuator. There are many reasons why the heater in your Dodge Grand Caravan is not working properly. ZIP: #1 Paul Reputation 2,020 #2 tenspeed Reputation 1,510 #3 Dan Ritz Reputation 1,480 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. Jun 14, 2017. It also puts unnecessary strain on the entire AC system which negatively impacts the fuel consumption. The hot coolant is pumped through the heater core located behind the dashboard. Another patient said the AC is just blowing warm air. 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. If the blend door actuator fails to fully open the blend door towards the heater core, it will result in poor heating performance. 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. This is mostly common in older vehicles. 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. That means every time you start the van, climate controls go through self adjustment and check every blend door actuator and blend door. The AC light should illuminate and then flash. It doesn't bother me. Insert the key into the ignition and turn to the "On" position. Rear A/C Block off Kit Air Conditioning Block Off Compatible with 2012-2016 Town/Country Dodge Caravan w/Dual Bolts. There is no fixed time for replacing the cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. Let us know what you find with this and we can go from there. As soon as the light starts to flash release the two buttons and the system will reset. Rear AC Block Kit Ford E-Series Van. The pollen filter, also known as the cabin air filter or microfilter, is responsible for filtering the air that the passengers breathe in Dodge Grand Caravan. In this video we show you How To Repair a Dodge Caravan Air Conditioning System. Grand Caravan Blacktop Package 3.6L. 92492 20+ yrs. 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. A knocking noise from behind the dashboard could be an indicator of a bad blend door actuator in your Grand Caravan. Both should be hot. 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. 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. 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. The leak can be diagnosed by injecting small amount of fluorescent dye into the AC system. As a rule, there is no avoiding a change. A professional mechanic can swiftly diagnose the heating issue for you. Two compressors for a rear air problem? Low coolant or air in the cooling system Low coolant level or air in the cooling system can cause the heater to stop working properly in Grand Caravan. If this is the case, the only option is to replace the broken part. 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. If you dont service the AC system in your Grand Caravan for a long time, the refrigerant level will eventually get so low that the system loses its cooling capacity. 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. Finding these mostly very small leaks is often not easy. If you are only topping off the refrigerant in your Dodge Grand Caravan with off-the-shelf refrigerant recharge cans and not repairing the leak, you may have flooded with AC system with oil since these cans often contains added oil. 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. After the Dealer replaced 2 major Components in the AC System, the Air still comes on in Neutral and Park even when the Air is not switched on and only the Outside Vent is on. A knocking noise could be another indicator of a bad blend door actuator on your Grand Caravan, although its quite rare. The OBDII connector is usually located under the dashboard. 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. 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. 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. The design of the heater core is similar to the radiator, it has narrow internal channels through which hot coolant flows. 3 offers from $32.73. Over time, grime, bugs and other small particles can build up on its surface and in the gaps of its mesh. Dirty evaporator can also be the reason for AC problems on your Dodge Grand Caravan. Connect the pressure gauge to the low pressure (L) port in Grand Caravan. Instead of changing the cabin air filter in Grand Caravan, it is often recommended to first clean the filter. The two most prominent symptoms of a clogged up evaporator on your Grand Caravan are: Cleaning the evaporator on Grand Caravan is not a simple task. 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. It consists of moving parts that convert what is actually a gaseous coolant into liquid this is how your vehicle is cooled. 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. Due to the complexity of the replacement job, it is not recommended as a DIY project. Specifically replace the condenser, evacuated, and recharge the AC system with R134 refrigerant on a 2002 Dodge Caravan minivan. Start by inspecting the condition of the cabin air filter on your Grand Caravan. There is only one small cable running to the blower fan which transmits the electricity. Switch the Mode Control knob to "Panel." Release the buttons once you see the light flash. Insufficient amount of refrigerant is still the main cause of a non-functioning AC system. (But it bothers the wife about 10 days out of the year.) You dont have to remove the heater core in your Grand Caravan to check if it is clogged. The front air con works greatany ideas would could be the problem and how to fix it! A leaking condenser can lead to a loss of refrigerant and reduced cooling performance of the system. experience as repair shop manager and technician. Vehicle History's team of automotive experts brings you the most accurate and up-to-date used car information. Less common causes are clogged expansion valve or orifice tube, overcharged oil, faulty blend door actuator, or a defect in the climate control unit. 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. Blend door actuator plays a role in controlling the air flow and temperature inside your Grand Caravan. 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. Start the Dodge Caravan. It is also cryogenic and can cause severe frostbite when it comes in contact with the skin. If the coolant level is low, open the cap and pour some coolant into the tank until it is between minimum and maximum mark. When you start your Grand Caravan when the engine is cold, the thermostat cuts off flow of coolant through the radiator in order to quickly reach the optimal engine operating temperature. Switch the Mode Control knob to "Panel." This setting only guides air to your face and upper body, not your legs. 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. 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. 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 Very common problem & they were surprised there . 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 the condenser is dirty on your Grand Caravan, the simplest solution is to clean it. Therefore it is recommended to do this at a workshop. Clogged heater core is one of the leading causes of heating not working in Dodge Grand Caravan. Grand Caravan SXT 3.6L V6. Both of these are at risk of clogging due to contamination, for example due to metal shavings from a failing compressor. 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. 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. Bad Thermostat The job of your Caravan's thermostat is to regulate the temperature of the engine. 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. The Questions and Answers on this page are the statements and opinions of their respective authors and not VehicleHistory.com. Place the key into the ignition and switch it to the "On" position. In addition to the vehicle make, model, and engine type, you usually also have to type in the Vehicle Identification Number (VIN). A family member purchased a new 2017 Grand Caravan SXT with the rear heat / ac. Therefore, the filter performance will not increase significantly even after cleaning. 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 may need recharging after every few years. Home Troubleshooting Dodge Grand Caravan AC not working causes and how to fix it. 90,000 miles. 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. 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. This hinders the condensers ability to release heat as less air passes through the mesh, which results in poor cooling in the cabin. A professional mechanic can swiftly diagnose the poor AC cooling issue for you. Note: Dirty cabin air filter mostly only leads to reduced cooling. 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. It's fake /inaccurate, What high and low buttons? In addition to the normal loss, component defects are usually responsible for the escape of the refrigerant gas on Dodge Grand Caravan. Therefore, the filter performance will not increase significantly even after cleaning. 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. 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. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling, heating and air flow. Low coolant level or air in the heater core can sometimes cause sloshing sound from behind the dashboard when the engine is running. Leak discovered. If your Grand Caravan has push start/stop button, then its possible that your vehicle may not start due to weak key fob battery. FAILING. Doing a DIY diesel swap? The inside of the vehicle is developing a bad moldy smell. 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.) Remove the blower motor, typically located under the passenger side dashboard, and inspect the condition of the cage. When looking for the reason, you should always start with the most obvious cause, insufficient amount of refrigerant. 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. 1. 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. Maybe only the condenser side fan is not working. It is now 90+ degrees where we live with high humidity. Eric is online now Continue Related Dodge Questions My Dodge grand Caravan rear AC is blowing hot air while my This would require a scan tool to confirm correct operation. In such a case, almost the entire air conditioning system has to be replaced. Once you start the car back up the A/C will still be off. A blown head gasket can cause coolant to leak into the combustion chambers and burn off. Place the key into the ignition and switch it to the "On" position. A knocking noise from behind the dashboard could be an indicator of a bad blend door actuator 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. FAILING. Step 2 Turn the Mode Control dial to "Panel." This setting only directs air to your face and upper body and not your feet. Blower not working, no air condition or heat? Unless the wiring issue is fixed, the fuse will blow again. It is important that you enter this 100% correctly, otherwise the result of the search may be inaccurate. Its possible the fan is dead, and you may have to replace it. When the heater is turned on and the AC turned off, the compressor does not turn on and the evaporator is not cooled. A defective sealing ring, a worn line or a condenser that has been damaged by a stone chip are the most common causes. As a rule, there is no avoiding a change if the filter is dirty. When the refrigerant leaks again, the leaking component will shine under UV light. 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