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. Clearing the air from the heater core will not help until the head gasket has been replaced. 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. Hope this helps. does not research or authenticate any of the Answers provided. If this is the case, the only option is to replace the broken part. Instead of changing the cabin air filter in Grand Caravan, it is often recommended to first clean the filter. However, the high-pressure refrigerant pulls these chips back with it during operation and the next damage is inevitable. 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. 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.) Automatic transmission. 2014 caravan. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not RB The Mechanic 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. If the fuse is blown, replace it with a new one with the specified amp rating. The most common reasons a Dodge Caravan ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. If the blend door actuator fails to fully open the blend door towards the heater core, it will result in poor heating performance. Locate the three leftmost buttons in the AC controls. 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. As a rule, there is no avoiding a change if the filter is dirty. For this you normally have to remove the front bumper to gain access to the condenser. With the tool connected, turn on the ignition. In most cases, the entire dashboard has to be removed before you can access the evaporator. The blend door actuator may require recalibration after replacement. Note: Dirty cabin air filter mostly only leads to reduced cooling. 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. 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. All do-it-yourself projects entail some risk. 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 . Over time dust can accumulate on the fins and reduce the air flow, which reduces cooling performance. Dirty cabin air filter is the leading cause of weak heater airflow in Dodge Grand Caravan. Two compressors for a rear air problem? 18,300 miles. The sound will be most prominent for a few seconds when you turn on the air conditioning or adjust the temperature. Rear AC Block Kit Ford E-Series Van. 1. The air conditioning is a blessing, especially in hot temperatures. Really? The best fix is to replace the rear evaporator and hope it goes more than 2 years before the problem happens again. The vehicle has an air conditioning system (AC) to cool passengers during warm weather and hot drives. There is no prescribed time for changing cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. It's an obvious rear mode door or switchology problem as stated. Instead of changing it directly, it is often recommended to first clean the pollen filter. A knocking noise from behind the dashboard could be an indicator of a bad blend door actuator in your Grand Caravan. After two years, Braun left to pursue her entrepreneurial dreams. 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. 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? The most common symptom of faulty blend door actuator on Dodge Grand Caravan is a slight clicking sound repeatedly coming from under the dashboard. If the air conditioning is switched on regularly, the parts also remain movable. Step 3 Locate the three leftmost buttons in the AC controls. The failure mileage was 125,393. In this video we show you How To Repair a Dodge Caravan Air Conditioning System. 92492 20+ yrs. RB The Mechanic assumes no liability for property damages or injury incurred as a result of any of the information contained in this video. If only hot air comes out of the air vents in your Grand Caravan, then the problem probably lies somewhere else. 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 hinders the condensers ability to release heat as less air passes through the mesh, which results in poor cooling in the interior. A family member purchased a new 2017 Grand Caravan SXT with the rear heat / ac. Remove the glove compartment, unscrew the blower fan and then unplug the electricity to it. If your Grand Caravan is losing coolant, that means there is a leak somewhere or it is getting burned up inside the engine. 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. If the compressor fails, the AC will only blow warm air. When looking for the reason, you should always start with the most obvious cause, low refrigerant level in the system. The front air con works greatany ideas would could be the problem and how to fix it! What 3 far left buttons? Place the key into the ignition and switch it to the "On" position. Step 1 Start the Dodge Caravan. There is no prescribed time for changing cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. When looking for the reason, you should always start with the most obvious cause, insufficient amount of refrigerant. A patient turn the temp control to warm because the air conditioner was too cold. Did you ever come across a Problem like this? "AC unit" - what does that mean? 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 To begin troubleshooting, you must first connect the diagnostic tool to your Grand Caravan. The OBDII connector is usually located under the dashboard. 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. 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 leak can be diagnosed by injecting small amount of fluorescent dye into the AC system. 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. Amedee is online now Check which type of refrigerant your vehicle uses. Rear A/C Block off Kit Air Conditioning Block Off Compatible with 2012-2016 Town/Country Dodge Caravan w/Dual Bolts. 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 there is a problem with the temperature of the air conditioning system, it could be due to a bad blend door actuator. 2000 Grand Caravan - drivers side heat not working - Passenger and rear are fine 2 Answers. The heating system in Grand Caravan uses hot coolant or antifreeze from the engine block to heat the interior of the vehicle. Remove the blower fan in a Dodge Caravan by first disconnecting the battery, then waiting two minutes to disable the airbags. Christopher S July 30, 2020. 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. 0%. Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. Insert the key into the ignition and turn to the "On" position. Therefore, the filter performance will not increase significantly even after cleaning. For us shade tree mechanics and cheap people the best fix is to just block the rear ac off. Home Troubleshooting Dodge Grand Caravan AC not working causes and how to fix it. If it is blown, replacing the fuse will only solve the problem for a very limited period of time. Your vehicle may also consume more fuel than normal. Over time, grime, bugs and other small particles can build up on its surface and in the gaps of its mesh. Most modern vehicles use R-134a refrigerant, but newer vehicles are increasingly using R-1234yf as a more environmentally friendly replacement. 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. 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. 90,000 miles. Thanks for your support! nothing. Low coolant level or air in the cooling system can cause the heater to stop working properly in Grand Caravan. 37 % of the time it's the. 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. Did you ever fix it my van has the same problem but all my blend doors ect.. 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 found dirty, clean it using a brush. For a better experience, please enable JavaScript in your browser before proceeding. This hinders the condensers ability to release heat as less air passes through the mesh, which results in poor cooling in the cabin. Dodge Grand Caravan. 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. experience as repair shop manager and technician. Unless the wiring issue is fixed, the fuse will blow again. 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. Dodge Caravan - Looking for a Used Caravan in your area? 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. It is a filter! You can recharge your AC through the low-pressure port with a do it yourself AC recharge kit. 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. ! It is generally recommended to replace the cabin air filter every year at the start of the winter season. Due to the complexity of the replacement job, it is not recommended as a DIY project. Ask your Dodge dealer. Note: Dirty cabin air filter mostly only leads to reduced cooling. 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. 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.