You need a pro that specializes in AC systems to troubleshoot what the issues are. If one is hot and the other is cold, you have a plugged heater core. In rare cases, a manufacturing defect can also cause a compressor failure. 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. 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. Start the Dodge Caravan. After two years, Braun left to pursue her entrepreneurial dreams. ZIP: #1 Paul Reputation 2,020 #2 tenspeed Reputation 1,510 #3 Dan Ritz Reputation 1,480 We research hundreds of models each Cleaning the evaporator in Grand Caravan is not a simple task. Your air conditioning system no longer cools properly? The blend door actuator may require recalibration after replacement. 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. Christopher S July 30, 2020. However, if you turn the A/C completely Off, turn the ignition system off. You cannot repair a broken blower motor, the part must be replaced with a new one. Check all front HVAC fuses and relays M11 and J15 I believe, all good. The hot coolant is pumped through the heater core located behind the dashboard. In rare cases, a fault in the climate control unit can cause the AC to stop cooling. In the event of a defect, the mechanic can directly initiate the repair. If you have front AC that is working fine then the rear should also work if the blower is working. 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 . The block off kit can be found here: www.streetrodguys.com 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. Spring and summer seasons are hard on the cabin air filter because of pollen and bugs, and in the fall they can get clogged with leaf debris. 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. A knocking noise from behind the dashboard could be an indicator of a bad blend door actuator in your Grand Caravan. Water pumps usually last for more than 100,000 miles, but they can fail at any time. Dodge Caravan: Radiator Fan Not Working Diagnosis The air flow from the vents is choppy and not smooth. 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. 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. Dodge Caravan - Looking for a Used Caravan in your area? 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 refrigerant level goes down again quickly, then it means there is probably a leak. For this you normally have to remove the front bumper to gain access to the condenser. could the drain be plug and the evaporator is freezing up? Instead of changing the cabin air filter in Grand Caravan, it is often recommended to first clean the filter. Home Troubleshooting Dodge Grand Caravan AC not cooling causes and diagnosis. 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. A worn out or weakened blower motor can also produce abnormal sounds when in operation. A/C Works on Dash but Not in Rear - Heat Kicks On? If you turn it to heat, does the air get hotter? Air Conditioner Problems of Dodge Grand Caravan A knocking noise could be another indicator of a bad blend door actuator on your Grand Caravan, although its quite rare. Do you still sweat while driving your Dodge Grand Caravan? Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. Find a better mechanic. 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. 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. Insufficient lubricant: The compressor in Grand Caravan needs lubrication to function properly and minimize mechanical wear by reducing friction. The minivan was first manufactured in 1983 and remains in production as of 2011. I have a 1994 Dodge Caravan with 130,000 miles on it. There is no prescribed time for changing cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. If the temperature doesn't change at all, the door may be stuck or broken. Dodge Grand Caravan won't start - causes and how to fix it #1. Just have it refilled and you can drive with pleasant temperatures again. In any case, it is advisable for laypersons to visit a workshop. A blown head gasket can cause coolant to leak into the combustion chambers and burn off. 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. The procedure, commonly called calibration, initiates the self diagnostic test and system reset for the vehicle's air conditioning. Weak key fob battery. Blend door actuator plays a role in controlling the temperature inside your Grand Caravan. It does this by allowing water to enter the engine when it is getting hot, and by keeping coolant from entering while the vehicle warms up. 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. 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. 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. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. 8.8K views 1 year ago 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 videos are intended for information only. 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. To begin troubleshooting, you must first connect the diagnostic tool to your Grand Caravan. What was replaced? Blend door actuator plays a role in controlling the air flow and temperature inside your Grand Caravan. Just have it refilled and you can drive with pleasant temperatures again. 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. So, all of them must be inspected when diagnosing poor airflow. The rear works fine, AC cycles on fine, but no matter what I can't get any air to come out of the front. The system is filled with forming gas (nitrogen with a little hydrogen) in the workshop. DODGE CARAVAN FLASHING LIGHTS A/C AND RECIRC - Fixya Had front blower fan not working and rear was. 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. The Fora platform includes forum software by XenForo. Ask your Dodge dealer. Dodge Grand Caravan Sport: 2003 Grand Caravan Sport 3.8l 128000km 2003 Grand Caravan Sport 3.8l 128000km with front- and rear-AC system. Did you ever fix it my van has the same problem but all my blend doors ect.. Remove the blower motor, typically located under the passenger side dashboard, and inspect the condition of the cage. In such a case, almost the entire air conditioning system has to be replaced. Free Dodge Grand Caravan repair estimates, See More 2016 Dodge Grand Caravan Questions, When im turning or accelerating my van makes a clicking noise, Blows cool air on 1 vent and heat from the other at the same time, The heater was blowing heat and all of the sudden it was blowing cold air and the etc light came on, Air Conditioning Expansion Valve Replacement. Hey its possible Just on the right screen corner where it says rear climate ,Tap it and you'll find the unlock and lock air climate in rear so you can switch it back on or off whichever you like. 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. The Dodge Caravan AC is known for one thing.. 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. The most common reasons a Dodge Grand Caravan ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. The AC will start to calibrate and reset. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling, heating and air flow. 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.
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