There are many reasons why your Dodge Grand Caravan AC is not cooling properly. Blower not. Therefore, it is recommended to do this in a workshop. Jul 13, 2012. Due to the complexity of the replacement job, it is not recommended as a DIY project. 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. Larger leaks may already be heard or you can find them with a leak detection spray. The buttons of the air conditioning unit may start flashing due to a momentary electrical failure, in which case a reset of the AC is necessary. Mark helpful. The top button controls the rear wiper on constant and the bottom button controls the rear wiper washer fluid. The worst damage, however, is a failure of the AC compressor when it eats itself due to insufficient lubrication or a production error, metal chips form, which are distributed throughout the Grand Caravans AC system. Weak key fob battery. No luck. 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. Determine if the blend door is moving. This is mostly common in older vehicles. In that case driving at high speed should blow some cold air from the AC. You must start the Dodge Caravan to reset the Dodge Caravan climate control. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. Low coolant level or air in the heater core can sometimes cause sloshing sound from behind the dashboard when the engine is running. It is not only responsible for pumping the refrigerant throughout the AC system but also converting the refrigerant from gaseous state to liquid state as it passes through the condenser. What these are and what you can do about it, we explain in this article. 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.) If the temperature doesn't change at all, the door may be stuck or broken. Home Troubleshooting Dodge Grand Caravan heater not working causes and diagnosis. What to do? (But it bothers the wife about 10 days out of the year.) Ideally, the refrigerant should never leak in a properly sealed AC system, but most car AC systems do leak small amount of refrigerant over time due to minor imperfections and will need recharging after every few years. 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. Aug 25, 2008 2003 Dodge Caravan helpful Flashing lights! Wisconsin certified. The air flow from the vents is choppy and not smooth. She currently resides in South Florida. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling, heating and air flow. If the blend door actuator fails to fully open the blend door towards the heater core, it will result in poor heating performance. Therefore, the filter performance will not increase significantly even after cleaning. Follow the manufactures repair procedure and use appropriate safety procedures. 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. How to Repair a Dodge Caravan Air Conditioning System Jonesy's 24.8K subscribers Subscribe 436 262K views 10 years ago #AmazonAssociate In this video we show you How To Repair a Dodge Caravan. Caravan fan and ac not working 1 Answer. The procedure, commonly called calibration, initiates the self diagnostic test and system reset for the vehicle's air conditioning. Rear A/C Block off Kit Air Conditioning Block Off Compatible with 2012-2016 Town/Country Dodge Caravan w/Dual Bolts. Dirty cabin air filter is the leading cause of weak heater airflow in Dodge Grand Caravan. Remove the blower fan in a Dodge Caravan by first disconnecting the battery, then waiting two minutes to disable the airbags. 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. Switch the Mode Control knob to "Panel." This setting only guides air to your face and upper body, not your legs. 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 2016 Dodge Grand Caravan This problem may be covered under warranty. Dirty evaporator can cause weak airflow and reduce the heating performance in Grand Caravan. To begin troubleshooting, you must first connect the diagnostic tool to your Grand Caravan. IMPORTANT COVID 19 SHIPPING NOTICE. Most diagnostic devices then ask for some information about the vehicle. 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. 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. Its possible the fan is dead, and you may have to replace it. 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. front air stop blowing. The hot coolant is pumped through the heater core located behind the dashboard. 24,855 miles. Warning: Wear gloves and safety glasses before recharging the AC to avoid accidental exposure to harmful chemicals in the refrigerant. When a blower motor goes bad, it usually makes unusual noises when in operation, and the passengers may feel reduced airflow from the air vents. The sound will be most prominent for a few seconds when you turn on the air conditioning or adjust the temperature. 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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. An overcharged system not only affects cooling performance but can also damage the compressor and sometimes can cause a major leak. 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 blend door actuator may require recalibration after replacement. Due to the complexity of the replacement job, it is not recommended as a DIY project. The AC light should illuminate and then flash. The top button will flash when the reset is completed. A patient turn the temp control to warm because the air conditioner was too cold. The inside of the vehicle is developing a bad moldy smell. 92492 20+ yrs. If the condenser is dirty on your Grand Caravan, the simplest solution is to clean it. 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. A knocking noise from behind the dashboard could be an indicator of a bad blend door actuator in your Grand Caravan. There are many reasons for poor heating performance in Grand Caravan, which are explained in this article. 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 faulty rear evaporator. However, the high-pressure refrigerant pulls these chips back with it during operation and the next damage is inevitable. 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 Cleaning the evaporator in Grand Caravan is not a simple task. Eric is online now Continue Related Dodge Questions My Dodge grand Caravan rear AC is blowing hot air while my 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. A defective sealing ring, a worn line or a condenser that has been damaged by a stone chip are the most common causes. The best fix is to replace the rear evaporator and hope it goes more than 2 years before the problem happens again. The only thing that helps is swapping with a new one. Once again I don't have rear climate controls in this van. If the cooling system is not full and bled properly, the water pump will not be able to push the coolant around the system efficiently. It also puts unnecessary strain on the entire AC system which negatively impacts your Grand Caravans fuel consumption. You dont have to remove the heater core in your Grand Caravan to check if it is clogged. 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 blend door actuator may require recalibration after replacement. There are test kits available in the market in which you just have to insert a tube filled with colored liquid in the radiator (in place of the radiator cap), and then start the engine. Insufficient amount of refrigerant in the AC system is one of the leading causes of AC not blowing cold air in Grand Caravan. It is the sole responsibility of the viewer to assume this risk. experience as repair shop manager and technician. There are many reasons why the heater in your Dodge Grand Caravan is not working properly. Connect the pressure gauge to the low pressure (L) port in Grand Caravan. Although most of the dirt and other particles in the air are filtered by the cabin air filter, but some particles do escape and can cling to the fins of the blower cage. The two systems are joined, so if for example you lose freon, you will lose AC in the front and rear. Note: Dirty cabin air filter mostly only leads to reduced cooling. Heat stops working intermittently on really cold days, the only way to fix it is to turn the car off and restart, or switch the temp controls over to . 18,300 miles. 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. I have air in front of the van but my back is only blowing out hot air. The block off kit can be found here: www.streetrodguys.com Jun 14, 2017. Seem to be moving and so forth. Show more. Turn the Mode Control dial to "Panel." If you only install a new compressor here, another failure is inevitable, as the chips immediately destroy the new component. Grand Caravan SXT 3.6L V6. A family member purchased a new 2017 Grand Caravan SXT with the rear heat / ac. Its purpose is to seal the combustion gases within the cylinders and to avoid coolant or engine oil leaking into the cylinders. The Dodge Caravan is a minivan manufactured and sold by the Dodge division of the Chrysler Group. If the refrigerant level goes down again quickly, it means there is probably a leak. 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Dodge Caravan - Looking for a Used Caravan in your area? Start the Dodge Caravan. A professional mechanic can swiftly diagnose the poor AC cooling issue for you. This can happen due to a leak or if the AC has not been recharged for a long time. If fans arent coming on, you should have engine overheating issues. Over time, grime, bugs and other small particles can build up on its surface and in the gaps of its mesh. Just have it refilled and you can drive with pleasant temperatures again. Leak discovered. Inspect the cabin air filter (if equipped) to verify that it is not clogged. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling and air flow. 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. Therefore it is important to diagnose a failing water pump at early stages to avoid expensive repairs later on. Start by inspecting the condition of the cabin air filter on your Grand Caravan. There can also be a refrigerant leak in the evaporator, in that case the evaporator will have to be replaced. Thanks for your support! Christopher S July 30, 2020. The excess oil may pool in various places of the AC system and can coat the inner walls of the evaporator and condenser, diminishing their ability to absorb or dissipate heat, consequently reducing the overall cooling performance. Sometimes changing the temperature can temporarily stop the sound. fan is running and no air is moving. Thanks 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. It is a well known problem and any Caravan I have every seen has had this problem. 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.
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