Amedee is online now If the refrigerant level goes down again quickly, then it means there is probably a leak. The rear works fine, AC cycles on fine, but no matter what I can't get any air to come out of the front. If you turn it to heat, does the air get hotter? After cleaning, reconnect the terminals. If the pressure is higher than the recommended pressure, let some refrigerant out preferably into a rag to avoid exposure. Don't worry, you can still start your vehicle - the battery is only used to send the signal for locking/unlocking. You just have to locate the coolant overflow reservoir and inspect the level of coolant in it. Seem to be moving and so forth. 10 offers from $23.29. No luck. 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. The procedure, commonly called calibration, initiates the self diagnostic test and system reset for the vehicle's air conditioning. 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. Keep in mind, an AC compressor can fail without any apparent cause, especially in older vehicles or in vehicles that have racked up too many miles. The heater in Dodge Grand Caravan ensures comfortable temperature in the passenger compartment when the weather is chilly. The blower motor is the central component of the air conditioning system in Grand Caravan, responsible for blowing cold air through the AC vents. Insufficient amount of refrigerant is still the main cause of a non-functioning AC system. 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. Thanks for your support! Dirty cabin air filter The pollen filter, also known as the cabin filter or microfilter, is a central component of the ventilation system in your Dodge Grand Caravan. HOLD the buttons for 10 sec and the instrument cluster will go into a diagnostic sequence. Your vehicles air conditioning system has an expansion vale or an orifice tube, depending on the model. What these are and what you can do about it, we explain in this article. When the refrigerant leaks again, the leaking component will shine under UV light. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling, heating and air flow. 2016 Dodge Grand Caravan This problem may be covered under warranty. 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. Mine is 2011 and has turn knobs for fan & temp. The design of the heater core is similar to the radiator, it has narrow internal channels through which hot coolant flows. Grand Caravan Crew 3.6L V6 Automatic transmission 46,300 miles AC stopped blowing cold. 2000 Grand Caravan - drivers side heat not working - Passenger and rear are fine 2 Answers. Next You will need to press the highest and lowest buttons on the AC control panel until the AC light begins to flash. Remove the glove compartment, unscrew the blower fan and then unplug the electricity to it. The top button controls the rear wiper on constant and the bottom button controls the rear wiper washer fluid. 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. The refrigerant pressure is affected by the outside atmospheric temperature. Follow the manufactures repair procedure and use appropriate safety procedures. Mark helpful. tried different settings, defrost, floor and turn the heat on. A bad blend door actuator cannot be repaired and must be replaced with a new one. 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. It doesn't bother me. 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 broken compressor is usually irreparable. Dodge Grand Caravan Sport: 2003 Grand Caravan Sport 3.8l 128000km 2003 Grand Caravan Sport 3.8l 128000km with front- and rear-AC system. 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. Connect the pressure gauge to the low pressure (L) port in Grand Caravan. 24,855 miles. If the condenser is dirty on your Grand Caravan, the simplest solution is to clean it. You dont have to remove the heater core in your Grand Caravan to check if it is clogged. However, if you dont turn on the air conditioning on your Grand Caravan for a long time, the parts will stick. As a rule, there is no avoiding a change. 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. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling, heating and air flow. Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. 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. dash and headlights RESET PROCEDURE With the ignition off, press the TRIP and RESET buttons at the same time you turn on the ignition. 37 % of the time it's the. No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. The front air con works greatany ideas would could be the problem and how to fix it! Both of these are at risk of clogging due to contamination, for example due to metal shavings from a failing compressor. The OBDII connector is usually located under 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. 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. It's an obvious rear mode door or switchology problem as stated. Instead of changing the cabin air filter in Grand Caravan, it is often recommended to first clean the filter. 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. The failure mileage was 125,393. To begin troubleshooting, you must first connect the diagnostic tool to your Grand Caravan. Heat up and heat down?I have a 2017 Dodge Grand Caravan back AC very hit and miss - not working, Pull the M 11 fuse if you dont have the power button. 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 The air flow from the vents is choppy and not smooth. If there isnt enough oil added with the refrigerant or to the compressor itself if it was replaced, the internal components of the compressor will wear out and cease to function. Turn on the AC and set it to the coldest setting, and the fan speed to maximum. 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. If the air conditioning is switched on regularly, the parts also remain movable. In this way, it can be determined whether the loss of refrigerant is due to a defective condenser. RB The Mechanic assumes no liability for property damages or injury incurred as a result of any of the information contained in this video. JavaScript is disabled. Its possible the fan is dead, and you may have to replace it. The heating system in Grand Caravan uses hot coolant or antifreeze from the engine block to heat the interior of the vehicle. All do-it-yourself projects entail some risk. If the condenser is dirty on your Grand Caravan, the simplest solution is to clean it. Many - Many - Many . 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. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. ZIP: #1 Paul Reputation 2,020 #2 tenspeed Reputation 1,510 #3 Dan Ritz Reputation 1,480 Rear ac in Dodge Grand Caravan not blowing. 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. It also puts unnecessary strain on the entire AC system which negatively impacts your Grand Caravans fuel consumption. Dirty evaporator can cause weak airflow and reduce the heating performance in Grand Caravan. Before you consider replacing the heater core in your Grand Caravan, it is recommended to flush the existing heater core. Therefore, it is recommended to do this in a workshop. This hinders the condensers ability to release heat as less air passes through the mesh, which results in poor cooling in the interior. The air conditioning is a blessing, especially in hot temperatures. 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. Check fan relay. Over time dust can accumulate on the fins and reduce the air flow, which reduces cooling performance. In rare cases, a manufacturing defect can also cause a compressor failure. The system is filled with forming gas (nitrogen with a little hydrogen) in the workshop. The only thing that helps is swapping with a new one. This is mostly common in older vehicles. 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. Sometimes when a thermostat goes bad, it stays stuck open. If your Grand Caravan has push start/stop button, then its possible that your vehicle may not start due to weak key fob battery. The AC light should illuminate and then flash. ChryslerMinivan.net is the best forum for Chrysler Town and Country owners to discuss mileage, price, problems, towing and more. Check all the relevant fuses and relays related to the air-conditioning system in your Grand Caravan. Rear blower will not turn on. Home Troubleshooting Dodge Grand Caravan AC not working causes and how to fix it. I have a 1994 Dodge Caravan with 130,000 miles on it. As a rule, there is no avoiding a change if the filter is dirty. The Dodge Caravan AC is known for one thing.. I have a 2005 . This van has controls for the rear at Ask an Expert Car Questions Dodge Repair This answer was rated: Amedee, Dodge Technician 37,957 Satisfied Customers ASE certified tech advanced level specialist. Had a similar issue with a blend door on a 2009 Honda Civic and those blend doors are VERY easy to get to, so I checked them both and the passenger side was sticky, sprayed some lube on the actuator arm and dusted the gunk off and it's been working since. 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. Cleaning the evaporator in Grand Caravan is not a simple task. Insert the key into the ignition and turn to the "On" position. Check the owners manual of your vehicle or the fuse box cover to find the exact location of the AC fuses. 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. The most common symptom of faulty blend door actuator on Dodge Grand Caravan is a slight clicking sound repeatedly coming from under the dashboard. CarGurus has 52 nationwide Caravan listings starting at $3,499 . Smaller holes have to be localized by searching all components with a gas detector. The rear HVAC housing has electric stepper motors driving the temperature blend door (cool/warm) and the air mode door (side/headliner vents). Bought brand new in March 2012. 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 Doing a DIY diesel swap? 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. 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 Town & Country and Grand Caravan mini vans are susceptible to rear A/C issues, especially in the rust belt. Just have it refilled and you can drive with pleasant temperatures again. If there is a problem with the temperature of the air conditioning system, it could be due to a bad blend door actuator. 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. 166. Shake the canister briefly and release the refrigerant into the system until the recommended pressure has been achieved. 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. 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. This information is typically located under the hood and/or in the owners manual. Blower not working, no air condition or heat? The top button will flash when the reset is completed. 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. To complete the reset, press the top button. When looking for the reason, you should always start with the most obvious cause, low refrigerant level in the system. 90,000 miles. The head gasket is responsible for providing the seal between the engine block and cylinder heads. 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. 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. You dont have to go to a workshop to check for a leaking head gasket in your Grand Caravan. Home Troubleshooting Dodge Grand Caravan AC not cooling causes and diagnosis. This is an illustration of the normal repair that we see in the shop. 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. In the AC settings, find the three leftmost buttons. 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. If fans arent coming on, you should have engine overheating issues. 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. Ditto. It is also cryogenic and can cause severe frostbite when it comes in contact with the skin. 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. 2019 Dodge Grand Caravan 35 Anniversary Model. Just like with low refrigerant, the AC in Grand Caravan will blow warm air only if the AC system is overcharged with refrigerant. . My rear a/c is not working in my 2008 town and country, blowers work fine but only blow warm air. Note: Dirty cabin air filter mostly only leads to reduced cooling. If only hot air comes out of the air vents in your Grand Caravan, then the problem probably lies somewhere else. Another patient said the AC is just blowing warm air. I have air in front of the van but my back is only blowing out hot air. Eric, Automotive Repair Shop. However, the high-pressure refrigerant pulls these chips back with it during operation and the next damage is inevitable. "AC unit" - what does that mean? For us shade tree mechanics and cheap people the best fix is to just block the rear ac off. Since Dodge Grand Caravan is equipped with on-board diagnostics (OBD), a fault diagnosis can provide initial indications of where the malfunction is located in the air conditioning system. You cannot repair a broken blower motor, the part must be replaced with a new one. VehicleHistory.com But if the weather is too cold, the engine may never reach its optimal operating temperature with a stuck open thermostat. This can have different causes. A bad blend door actuator usually cannot be repaired and must be replaced with a new one. 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. Remove the blower motor, typically located under the passenger side dashboard, and inspect the condition of the cage. Find a better mechanic. Start the Dodge Caravan. Locate the three leftmost buttons in the AC controls. 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. It is the sole responsibility of the viewer to assume this risk. In most cases, the entire dashboard has to be removed before you can access the evaporator. Most diagnostic devices then ask for some information about the vehicle. Tried the above reset, didn't work. Since the heater core is usually slightly higher, the air will accumulate in there first. Finding these mostly very small leaks is often not easy. Aug 25, 2008 2003 Dodge Caravan helpful Flashing lights! It is a well known problem and any Caravan I have every seen has had this problem. The sound will be most prominent for a few seconds when you turn on the air conditioning or adjust the temperature. There can also be a refrigerant leak in the evaporator, in that case the evaporator will have to be replaced. 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. You must start the Dodge Caravan to reset the Dodge Caravan climate control. 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. If the temperature doesn't change at all, the door may be stuck or broken. Clogged heater core is one of the leading causes of heating not working in Dodge Grand Caravan. If one is hot and the other is cold, you have a plugged heater core. This vehicle was purchased in July 2014 and as of July 2015, the REAR Air Conditioning unit has stopped working. 8 people found this helpful. Leak discovered. Do you still sweat while driving your Dodge Grand Caravan? Blend air doors can be a problem. This hinders the condensers ability to release heat as less air passes through the mesh, which results in poor cooling in the cabin. 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. 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. This setting only directs air to your face and upper body and not your feet. The inside of the vehicle is developing a bad moldy smell. #1. (But it bothers the wife about 10 days out of the year.) Wisconsin certified. 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. If you only install a new compressor here, another failure is inevitable, as the chips immediately destroy the new component. 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.
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