This hinders the condensers ability to release heat as less air passes through the mesh, which results in poor cooling in the cabin. Larger leaks may already be heard or you can find them with a leak detection spray. A professional mechanic can swiftly diagnose the heating issue for you. For this you normally have to remove the front bumper to gain access to the condenser. 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 cooling. FAILING. ! Cleaning the evaporator in Grand Caravan is not a simple task. Home Troubleshooting Dodge Grand Caravan AC not cooling causes and diagnosis. The design of the heater core is similar to the radiator, it has narrow internal channels through which hot coolant flows. Did you ever come across a Problem like this? HVAC with 3 zone controls. Below is a chart that will help with proper pressures. In any case, it is advisable for laypersons to visit a workshop. You must start the Dodge Caravan to reset the Dodge Caravan climate control. Just make sure the temp control on the upper console facing the rear seats is not turn to warm. Instead of changing the cabin air filter in Grand Caravan, it is often recommended to first clean the filter. This is mostly common in older vehicles. Once you start the car back up the A/C will still be off. There are many reasons why the heater in your Dodge Grand Caravan is not working properly. Tried all combinations of power on, rotating the know etc. 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. Clearing the air from the heater core will not help until the head gasket has been replaced. 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. 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. Jun 14, 2017. Weve got you covered!GM DIESEL CONVERSIONhttps://adventurevehiclesnw.com/shop/product-category/gm-diesel-conversion/ LAND CRUISER DIESEL CONVERSIONhttps://adventurevehiclesnw.com/shop/product-category/land-cruiser-diesel-conversion/UNIVERSAL DIESEL CONVERSIONhttps://adventurevehiclesnw.com/shop/product-category/universal-cummins-diesel-conversion/Find some of our favorite gear on our Amazon shop: https://amzn.to/3J3KihN#AmazonAssociate - We earn a small portion from qualifying purchases. 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. If only hot air comes out of the air vents in your Grand Caravan, then the problem probably lies somewhere else. Ditto. 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. 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. If there is no air flow from the air vents in the dashboard when you turn on the heater in your Dodge Grand Caravan, it means the problem is related to the fan or blower motor function. The sound is most prominent right after you start the vehicle. A bad water pump will not only cause poor heating, but can also result in engine damage due to overheating. Its purpose is to seal the combustion gases within the cylinders and to avoid coolant or engine oil leaking into the cylinders. Remove the glove compartment, unscrew the blower fan and then unplug the electricity to it. Wisconsin certified. When looking for the reason, you should always start with the most obvious cause, low refrigerant level in the system. 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. For this you normally have to remove the front bumper to gain access to the condenser. 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. Check all the relevant fuses and relays related to the air-conditioning system in your Grand Caravan. 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? 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. My rear a/c is not working in my 2008 town and country, blowers work fine but only blow warm air. 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. The refrigerant pressure is affected by the outside atmospheric temperature. The hot coolant is pumped through the heater core located behind the dashboard. 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. To improve heating efficiency, it is recommended to switch on air recirculation mode. When you start your Grand Caravan when the engine is cold, the thermostat cuts off flow of coolant through the radiator in order to quickly reach the optimal engine operating temperature. 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. Step 1 Start the Dodge Caravan. Before you consider replacing the heater core in your Grand Caravan, it is recommended to flush the existing heater core. by Ed Ruelas on January 04, 2016 Heating AC Inspection Cost Service Location SELECT YOUR VEHICLE $94.99 - $114.99 Price range for all vehicles ( 68) Dirty evaporator can also be the reason for AC problems on your Dodge Grand Caravan. Note: Dirty cabin air filter mostly only leads to reduced cooling. A broken compressor is usually irreparable. 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. Grand Caravan Crew 3.6L V6 Automatic transmission 46,300 miles AC stopped blowing cold. To complete the reset, press the top button. So, all of them must be inspected when diagnosing poor airflow. There is only one compressor so the freon must travel to the rear evaporator. 2014 Dodge Grand Caravan SXT, 3.6, 1000 miles, the warm air works in the back all winter, the front has cold air, dont really understand why only half the air con works, is it too seperate systems, do I have to recharge somewhere in the back too. Blower not. What 3 far left buttons? The most common symptom of faulty blend door actuator on Dodge Grand Caravan is a slight clicking sound repeatedly coming from under the dashboard. 2014 caravan. Check all front HVAC fuses and relays M11 and J15 I believe, all good. If the fuse is blown, replace it with a new one with the specified amp rating. 24,855 miles. If it is blown, replacing the fuse will only solve the problem for a very limited period of time. The leak can be diagnosed by injecting small amount of fluorescent dye into the AC system. When a blower motor goes bad, it usually makes unusual noises when in operation, and the passengers may feel reduced air flow from the AC vents. If there is a problem with the temperature of the air conditioning system, it could be due to a bad blend door actuator. If the condenser is dirty on your Grand Caravan, the simplest solution is to clean it. Click on the links below to see my videos on how to replace rear or passenger blend door actuators.This vans are equipped with \"self adjusting\" blend door actuator system. 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. This mode is useful for clearing fog from the windows. It will be anywhere from $1000 tp $1500 to have a garage do the work. Bought brand new in March 2012. Maybe only the condenser side fan is not working. Leaks in the head gasket can cause all sorts of problems in your Grand Caravan including poor heater performance. 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.) 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. For us shade tree mechanics and cheap people the best fix is to just block the rear ac off. A defective sealing ring, a worn line or a condenser that has been damaged by a stone chip are the most common causes. 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. To begin troubleshooting, you must first connect the diagnostic tool to your Grand Caravan. 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. The rear works fine, AC cycles on fine, but no matter what I can't get any air to come out of the front. This would require a scan tool to confirm correct operation. Check your vehicles owners manual or look under the hood to find the type of the refrigerant your vehicle uses. You cannot repair a broken blower motor, the part must be replaced with a new one. 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. Check fan relay. In any case, it is advisable for laypersons to visit a workshop. Mechanic refilled with Freon to include dye so that he could detect a leak. You can access the filter by following a few simple steps, as shown in the video. The Dodge Caravan AC is known for one thing.. 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. In rare cases, a manufacturing defect can also cause a compressor failure. Inspect the cabin air filter (if equipped) to verify that it is not clogged. Copyright 2023 Leaf Group Ltd. / Leaf Group Media, Auto User Manual: Dodge Caravan Owner's Manual. You can recharge your AC through the low-pressure port with a do it yourself AC recharge kit. As soon as the light starts to flash release the two buttons and the system will reset. 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. 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. Blend air doors can be a problem. 8 people found this helpful. 3 offers from $32.73. 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. The compressor is the heart of the air conditioning system in Dodge Grand Caravan. 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 AC cooling performance will be degraded due to reduced air flow. The first thing that you would want to do is locate the fuse for your Caravan's radiator fan and make sure that it hasn't blown. This information is typically located under the hood and/or in the owners manual. Thanks Both should be hot. However, the high-pressure refrigerant pulls these chips back with it during operation and the next damage is inevitable. So, even if you recharged your Grand Caravan AC at the recommended pressure, the system could still over pressurize when the ambient temperatures get warmer. When you turn on the heating, air gets blown through the heater core, warming the air in the cabin.If there is air trapped inside the heater core, the coolant will not be able to flow through it properly. Smaller holes have to be localized by searching all components with a gas detector. Shake the canister briefly and release the refrigerant into the system until the recommended pressure has been achieved. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. Just make sure the temp control on the upper console facing the rear seats is not turn to warm. 7.5 pretty bad Typical Repair Cost: $1,500 Average Mileage: 43,900 miles Total Complaints: 4. Start the Dodge Caravan. You must start the Dodge Caravan to reset the Dodge Caravan climate control. If the coolant level is low, open the cap and pour some coolant into the tank until it is between minimum and maximum mark. 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. An overcharged system not only affects cooling performance but can also damage the compressor and sometimes can cause a major leak. This can happen due to a leak or if the AC has not been recharged for a long time. Anytime there is a problem with the temperature of the air conditioning system, it could be a problem with the blend door actuator. 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. 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. 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. Low coolant level or air in the heater core can sometimes cause sloshing sound from behind the dashboard when the engine is running. 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. If found dirty, clean it using a brush. 18,300 miles. 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.
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