Clogged heater core is one of the leading causes of heating not working in Dodge Grand Caravan. The most common causes that hinders normal operation of air conditioning system on your Dodge Grand Caravan are dirty cabin air filter, refrigerant leak, dirty or clogged condenser, dirty or clogged evaporator, bad blower motor, defective compressor, faulty blend door actuator or any fault in the electrical system. Climate control module is the brain of the air-conditioning system in your Dodge Grand Caravan, responsible for controlling all the components in the system. Let us know what you find with this and we can go from there. The result is a defective compressor that can no longer be repaired. This is an illustration of the normal repair that we see in the shop. In any case, it is advisable for laypersons to visit a workshop. 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) Your vehicle may also consume more fuel than normal. 3.8 out of 5 stars. 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. Resetting the system is something You can do from home but it takes a few steps. Rear a/c problems | The Chrysler Minivan Fan Club Forums This setting only guides air to your face and upper body, not your legs. Jun 14, 2017. Just have it refilled and you can drive with pleasant temperatures again. Symptoms of a Bad or Failing Blower Motor Relay - YourMechanic The only thing that helps is swapping with a new one. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The AC light should illuminate and then flash. The Questions and Answers on this page are the statements and opinions of their respective authors and not VehicleHistory.com. 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. When you turn on the heating, air gets blown through the heater core, warming the air in the cabin.If there is air trapped inside the heater core, the coolant will not be able to flow through it properly. 2019. 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. It's an obvious rear mode door or switchology problem as stated. Cleaning the evaporator in Grand Caravan is not a simple task. experience as repair shop manager and technician. A professional mechanic can swiftly diagnose the poor AC cooling issue for you. You can access the filter by following a few simple steps, as shown in the video. Therefore, the filter performance will not increase significantly even after cleaning. For a better experience, please enable JavaScript in your browser before proceeding. Its possible the fan is dead, and you may have to replace it. Step 3 Locate the three leftmost buttons in the AC controls. Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. If too much dirt is caked in the blower fins, it can throw off the balance of the spinning cage and cause it to wobble. A broken compressor is usually irreparable. Christopher S July 30, 2020. It is generally recommended to replace the cabin air filter every year at the start of the winter season. The water pump is the heart of the cooling system in Grand Caravan responsible for pumping coolant throughout the system and cooling the engine. If your Grand Caravan is losing coolant, that means there is a leak somewhere or it is getting burned up inside the engine. If the temperature changes a little, the module may need calibration with the scan tool (StarScan, StarMobile, etc). 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 heating system in Grand Caravan uses hot coolant or antifreeze from the engine block to heat the interior of the vehicle. Finding these mostly very small leaks is often not easy. That means every time you start the van, climate controls go through self adjustment and check every blend door actuator and blend door. A bad water pump will not only cause poor heating, but can also result in engine damage due to overheating. Therefore, it is recommended to do this in a workshop. Start the Dodge Caravan. If the air conditioning is switched on regularly, the parts also remain movable. The vehicle has an air conditioning system (AC) to cool passengers during warm weather and hot drives. First You will need to start the van and make sure the mode in the vehicle is set to panel. 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. Less common causes are clogged expansion valve or orifice tube, overcharged oil, faulty blend door actuator, or a defect in the climate control unit. After cleaning, reconnect the terminals. If found dirty, clean it using a brush. In the AC settings, find the three leftmost buttons. When looking for the reason, you should always start with the most obvious cause, insufficient amount of refrigerant. A blown head gasket can cause coolant to leak into the combustion chambers and burn off. Leaks in the head gasket can cause all sorts of problems in your Grand Caravan including poor heater performance. Don't worry, you can still start your vehicle - the battery is only used to send the signal for locking/unlocking. By filling and properly bleeding the system the heat should come back. Check all front HVAC fuses and relays M11 and J15 I believe, all good. You just have to locate the coolant overflow reservoir and inspect the level of coolant in it. 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. Rear A/C Block off Kit Air Conditioning Block Off Compatible with 2012-2016 Town/Country Dodge Caravan w/Dual Bolts. Blend door actuator plays a role in controlling the temperature inside your Grand Caravan. The vehicle was not repaired. fan is running and no air is moving. If the fuse is blown, replace it with a new one with the specified amp rating. Follow the manufactures repair procedure and use appropriate safety procedures. DODGE CARAVAN FLASHING LIGHTS A/C AND RECIRC - Fixya 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. 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 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. Rear controls stuck and blowing high heat no matter what happens in other zones. The AC will start to calibrate and reset. The sound will be most prominent for a few seconds when you turn on the air conditioning or adjust the temperature. Over time, these dust particles can builds up on the fins and block the air flow through the evaporator, resulting in poor cooling. 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. 2008: Complicated rear blower problem. 2008 Grand Caravan. - JustAnswer 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. However, if you turn the A/C completely Off, turn the ignition system off. 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 does not research or authenticate any of the Answers provided. If the liquid changes color, then there is a leak in head gasket. 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. The head gasket is responsible for providing the seal between the engine block and cylinder heads. You can use pressure washer for cleaning, but make sure its at low pressure setting, as high pressure can damage the delicate fins on the condenser. Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. Checking coolant level in Grand Caravan is a fairly some job. I have a 2005 . 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. After two years, Braun left to pursue her entrepreneurial dreams. Why isn't the climate control in rear working? Vents, etc - CarGurus Turn the Mode Control dial to "Panel." In any case, it is advisable for laypersons to visit a workshop. (But it bothers the wife about 10 days out of the year.) There are many reasons why your Dodge Grand Caravan AC is not cooling properly. 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.