Like the radiator, the air conditioning condenser on Dodge Grand Caravan sits at the front of the vehicle and is responsible for releasing the heat from the refrigerant into the ambient air. Place the key into the ignition and switch it to the "On" position. Aug 25, 2008 2003 Dodge Caravan helpful Flashing lights! Where are the 3 buttons to hold for reset? Weak key fob battery. Home Troubleshooting Dodge Grand Caravan heater not working causes and diagnosis. Check all front HVAC fuses and relays M11 and J15 I believe, all good. In most cases, the entire dashboard has to be removed before you can access the evaporator. You just have to locate the coolant overflow reservoir and inspect the level of coolant in it. 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. Many - Many - Many . Just like with low refrigerant, the AC in Grand Caravan will blow warm air only if the AC system is overcharged with refrigerant. A broken compressor is usually irreparable. 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. 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. HOLD the buttons for 10 sec and the instrument cluster will go into a diagnostic sequence. Low coolant level or air in the heater core can sometimes cause sloshing sound from behind the dashboard when the engine is running. Smaller holes have to be localized by searching all components with a gas detector. Your vehicle may also consume more fuel than normal. Clogged heater core is one of the leading causes of heating not working in Dodge Grand Caravan. The result is a defective compressor that can no longer be repaired. By filling and properly bleeding the system the heat should come back. In addition to the vehicle make, model, and engine type, you usually also have to type in the Vehicle Identification Number (VIN). front air stop blowing. 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. Since the two heat exchangers (condenser and evaporator) are designed in cross-flow design, the detergent finds the path with the least resistance and leaves the chips behind. In the event of a defect, the mechanic can directly initiate the repair. 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. 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. Ditto. 1. A knocking noise from behind the dashboard could be an indicator of a bad blend door actuator in your Grand Caravan. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling, heating and air flow. Let us know what you find with this and we can go from there. 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. stop for 20 minutes and it work for 1 hour then quit. If the fuse is blown, replace it with a new one with the specified amp rating. Your air conditioning system no longer cools properly? A leaking condenser can lead to a loss of refrigerant and reduced cooling performance of the system. Sometimes changing the temperature can temporarily stop the sound. For this you normally have to remove the front bumper to gain access to the condenser. 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. 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? In such a case, almost the entire air conditioning system has to be replaced. It is a well known problem and any Caravan I have every seen has had this problem. The top button controls the rear wiper on constant and the bottom button controls the rear wiper washer fluid. ZIP: #1 Paul Reputation 2,020 #2 tenspeed Reputation 1,510 #3 Dan Ritz Reputation 1,480 2000 Grand Caravan - drivers side heat not working - Passenger and rear are fine 2 Answers. Show more. What was replaced? Resetting the system is something You can do from home but it takes a few steps. 166. 37 % of the time it's the. First You will need to start the van and make sure the mode in the vehicle is set to panel. Therefore, the filter performance will not increase significantly even after cleaning. What these are and what you can do about it, we explain in this article. This A/C Block Kit, ATMFSFD, is used to block off the rear A/C on the Ford E-Series van with #6 an.. $61.00. Due to factors beyond the control of RB The Mechanic, it cannot guarantee against unauthorized modifications of this information. 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. could the drain be plug and the evaporator is freezing up? 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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. Over time, these dust particles can builds up on the fins and block the air flow through the evaporator, resulting in poor cooling. 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. Once we know what the actual charge is in the system then we can start narrowing it down to just the rear system and a possible door motor issue but if the charge is weak then we will not fix it unless we check this first. Grand Caravan Crew 3.6L V6 Automatic transmission 46,300 miles AC stopped blowing cold. The AC will start to calibrate and reset. The refrigerant pressure is affected by the outside atmospheric temperature. The Dodge Caravan AC is known for one thing.. Check the owners manual of your vehicle or the fuse box cover to find the exact location of the AC fuses. 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. It is the sole responsibility of the viewer to assume this risk. 3 offers from $32.73. You dont have to remove the heater core in your Grand Caravan to check if it is clogged. In that case driving at high speed should blow some cold air from the AC. Due to the complexity of the replacement job, it is not recommended as a DIY project. 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. 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. If you have front AC that is working fine then the rear should also work if the blower is working. Blend door actuator plays a role in controlling the temperature inside your Grand Caravan. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. When looking for the reason, you should always start with the most obvious cause, insufficient amount of refrigerant. Check which type of refrigerant your vehicle uses. Leak discovered. As a rule, there is no avoiding a change. Blower not working, no air condition or heat? The vehicle replaced a 2013 Chevrolet Equinox. 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. 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. I have a 2005 . Switch the Mode Control knob to "Panel." Caravan fan and ac not working 1 Answer. If the blower motor in your Grand Caravan is not spinning fast enough either due to an internal defect or due to a fault in the resistor/control module, the airflow from the AC vents will be weaker and the heating performance will be degraded. Excessive oil can also reduce the performance of the compressor and can cause it to fail prematurely. After two years, Braun left to pursue her entrepreneurial dreams. To complete the reset, press the top button. 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. FAILING. This hinders the condensers ability to release heat as less air passes through the mesh, which results in poor cooling in the cabin. One is labelled H for high-pressure and the other one is labelled L for low-pressure. The function of both expansion valve and orifice tube is the same, to restrict the flow and reduce pressure of the refrigerant before it enters the evaporator coil. For a better experience, please enable JavaScript in your browser before proceeding. 24,855 miles. The blower motor is the central component of the air conditioning system in Grand Caravan, responsible for blowing cold air through the AC vents. Mechanic refilled with Freon to include dye so that he could detect a leak. 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. It's fake /inaccurate, What high and low buttons? The air flow from the vents is choppy and not smooth. Cabin air filter captures most of the dirt or other airborne particles, but some escape and fall on to the evaporator. 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. Hope this helps. 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Over time, grime, bugs and other small particles can build up on its surface and in the gaps of its mesh. Below is a chart that will help with proper pressures. Happened on the 2008 Dodge I drive for the company. Over time, grime, bugs and other small particles can build up on its surface and in the gaps of its mesh. Remove the cap from the low pressure service port labelled L, and connect the AC recharge kit. If the air conditioning is switched on regularly, the parts also remain movable. If the temperature doesn't change at all, the door may be stuck or broken. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced heating and airflow. ( 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | SE | CVP | AMP | SXT | LIMITED | CREW | VALUE PACKAGE | EXPRESS ).This is just the explanation video. We research hundreds of models each Air should blow out of the vents at different intervals during the reset. However, if you turn the A/C completely Off, turn the ignition system off. 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. In any case, it is advisable for laypersons to visit a workshop. Happened on the 2008 Dodge I drive for the company. 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. The pollen filter, also known as the cabin filter or microfilter, is a central component of the ventilation system in your Dodge Grand Caravan. Over time, the heater core can begin to rust or mineral deposits can form in these channels, blocking the flow of the coolant. In addition to the normal loss, component defects are usually responsible for the escape of the refrigerant gas on Dodge Grand Caravan. 1. The blend door actuator may require recalibration after replacement. The inside of the vehicle is developing a bad moldy smell. Remove the glove compartment, unscrew the blower fan and then unplug the electricity to it. My rear a/c is not working in my 2008 town and country, blowers work fine but only blow warm air. 18,300 miles. In any case, it is advisable for laypersons to visit a workshop. Its purpose is to seal the combustion gases within the cylinders and to avoid coolant or engine oil leaking into the cylinders. The sound is most prominent right after you start the vehicle. The videos are intended for information only. This setting only directs air to your face and upper body and not your feet. Tried all combinations of power on, rotating the know etc. 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. Therefore, the filter performance will not increase significantly even after cleaning. A defective sealing ring, a worn line or a condenser that has been damaged by a stone chip are the most common causes. A knocking noise could be another indicator of a bad blend door actuator on your Grand Caravan, although its quite rare. There is no prescribed time for changing cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. The block off kit can be found here: www.streetrodguys.com It will be anywhere from $1000 tp $1500 to have a garage do the work. 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. Once the leak has been found, this must be closed again by replacing the respective component. The design of the heater core is similar to the radiator, it has narrow internal channels through which hot coolant flows. Thanks for your support! Vehicle History's team of automotive experts brings you the most accurate and up-to-date used car information. 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. You can recharge your AC through the low-pressure port with a do it yourself AC recharge kit. does not research or authenticate any of the Answers provided. There are many reasons for poor heating performance in Grand Caravan, which are explained in this article. Christopher S July 30, 2020. The best fix is to replace the rear evaporator and hope it goes more than 2 years before the problem happens again. This is . A patient turn the temp control to warm because the air conditioner was too cold. Most modern vehicles use R-134a refrigerant, but newer vehicles are increasingly using R-1234yf as a more environmentally friendly replacement. The most common symptom of faulty blend door actuator on Dodge Grand Caravan is a slight clicking sound repeatedly coming from under the dashboard. As soon as the light starts to flash release the two buttons and the system will reset. The rear a/c works very, very well and they are very pleased with the a/c system. 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. That means every time you start the van, climate controls go through self adjustment and check every blend door actuator and blend door. The Questions and Answers on this page are the statements and opinions of their respective authors and not VehicleHistory.com. Both should be hot. This gives you a fresh start for the winter, improves defroster performance, and reduces chances of mold or mildew growth. Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. Home Troubleshooting Dodge Grand Caravan AC not cooling causes and diagnosis. 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. Rear blower will not turn on. It doesn't bother me. 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. I bought it used, but the air worked fine when I bought it in 2004. 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.
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