Low coolant level or air in the heater core can sometimes cause sloshing sound from behind the dashboard when the engine is running. In order to find leaks in the air conditioning system, a leak search is carried out in the workshop using forming gas even the smallest leaks can be detected. Recirculate air function not working | Dodge Charger Forum If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. 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 How to Repair a Dodge Caravan Air Conditioning System Inspect the cabin air filter (if equipped) to verify that it is not clogged. Due to factors beyond the control of RB The Mechanic, it cannot guarantee against unauthorized modifications of this information. 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. 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. The compressor is the heart of the air conditioning system in Dodge Grand Caravan. Jul 18, 2012. 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. What these are and what you can do about it, we explain in this article. Mechanic refilled with Freon to include dye so that he could detect a leak. Dodge Grand Caravan AC not cooling - causes and diagnosis - WheelsJoint.com In any case, it is advisable for laypersons to visit a workshop. 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. 2013 Dodge Grand Caravan AC/Heat Not Working Properly Jul 13, 2012. 2000 Grand Caravan - drivers side heat not working - Passenger and rear are fine 2 Answers. 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. Where are the 3 buttons to hold for reset? Feel both the rubber lines going in and out of the heater core after the engine has warmed up. Over time, grime, bugs and other small particles can build up on its surface and in the gaps of its mesh. 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. Dodge Grand Caravan Questions - Ac not working on passenger side - CarGurus The blower motor is the central component of the air conditioning system in Grand Caravan, responsible for blowing cold air through the AC vents. Many - Many - Many . 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. 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. 2000 Grand Caravan - drivers side heat not working - Passenger and rear are fine 2 Answers. Therefore, the filter performance will not increase significantly even after cleaning. Dodge Grand Caravan - REAR DEFROSTER BLINKING? NO HEAT OR A/C? If the temperature doesn't change at all, the door may be stuck or broken. Dirty cabin air filter is the leading cause of weak heater airflow in Dodge Grand Caravan. A/c Blowing Hot Air: I Am a Lady and Do Not Know Alot About - 2CarPros 7.5 pretty bad Typical Repair Cost: $1,500 Average Mileage: 43,900 miles Total Complaints: 4. Resetting the system is something You can do from home but it takes a few steps. 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. It's an obvious rear mode door or switchology problem as stated. 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. Grand Caravan Blacktop Package 3.6L. Start by inspecting the condition of the cabin air filter on your Grand Caravan. Another patient said the AC is just blowing warm air. A professional mechanic can swiftly diagnose the poor AC cooling issue for you. 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. Dodge Grand Caravan. 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So, all of them must be inspected when diagnosing poor air flow. What was replaced? Since the heater core is usually slightly higher, the air will accumulate in there first. However, if you dont turn on the air conditioning on your Grand Caravan for a long time, the parts will stick. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. Your vehicles air conditioning system has an expansion vale or an orifice tube, depending on the model. To complete the reset, press the top button. 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. This hinders the condensers ability to release heat as less air passes through the mesh, which results in poor cooling in the cabin. 2019 Dodge Grand Caravan 35 Anniversary Model. However, the high-pressure refrigerant pulls these chips back with it during operation and the next damage is inevitable. For us shade tree mechanics and cheap people the best fix is to just block the rear ac off. experience as repair shop manager and technician. JavaScript is disabled. If your Grand Caravan is losing coolant, that means there is a leak somewhere or it is getting burned up inside the engine. A bad blend door actuator usually cannot be repaired and must be replaced with a new one. Dirty evaporator can also be the reason for AC problems on your Dodge Grand Caravan. In this video we show you How To Repair a Dodge Caravan Air Conditioning System. Leaks in the head gasket can cause all sorts of problems in your Grand Caravan including poor heater performance. Less common causes are clogged expansion valve or orifice tube, overcharged oil, faulty blend door actuator, or a defect in the climate control unit. 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. The pollen filter, also known as the cabin filter or microfilter, is a central component of the ventilation system in your Dodge Grand Caravan. 3. 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. It's fake /inaccurate, What high and low buttons? Both of these are at risk of clogging due to contamination, for example due to metal shavings from a failing compressor. 2014 Dodge Grand Caravan A/C Not Working: 3 Complaints Just have it refilled and you can drive with pleasant temperatures again. The wiring harness itself can go bad. A/C Works on Dash but Not in Rear - Heat Kicks On? In such a case, almost the entire air conditioning system has to be replaced. My Dodge grand Caravan rear AC is blowing hot air while my If found dirty, clean it using a brush. Had front blower fan not working and rear was.