Home Troubleshooting Dodge Grand Caravan AC not cooling causes and diagnosis. 2000 Grand Caravan - drivers side heat not working - Passenger and rear are fine 2 Answers. 2010 T&C Touring, 3.8L, 6 Speed 62TE Trans. Switch the Mode Control knob to "Panel." This setting only guides air to your face and upper body, not your legs. 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. Weak key fob battery. 3.8 out of 5 stars. The front air con works greatany ideas would could be the problem and how to fix it! Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. experience as repair shop manager and technician. 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. As soon as the light starts to flash release the two buttons and the system will reset. Dirty cabin air filter is the leading cause of weak heater airflow in Dodge Grand Caravan. It is a filter! If the pressure is higher than the recommended pressure, let some refrigerant out preferably into a rag to avoid exposure. The vehicle has an air conditioning system (AC) to cool passengers during warm weather and hot drives. The vehicle replaced a 2013 Chevrolet Equinox. Its purpose is to seal the combustion gases within the cylinders and to avoid coolant or engine oil leaking into the cylinders. 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. 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. You must start the Dodge Caravan to reset the Dodge Caravan climate control. 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. 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. Happened on the 2008 Dodge I drive for the company. 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. Both should be hot. 3. 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. Jul 13, 2012. 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. Heat and air works great but if you say, switch to floor then it willbe floor and face. The Dodge Caravan AC is known for one thing.. The OBDII connector is usually located under the dashboard. After two years, Braun left to pursue her entrepreneurial dreams. Dodge Grand Caravan Sport: 2003 Grand Caravan Sport 3.8l 128000km 2003 Grand Caravan Sport 3.8l 128000km with front- and rear-AC system. It also puts unnecessary strain on the entire AC system which negatively impacts the fuel consumption. Over time, these dust particles can builds up on the fins and block the air flow through the evaporator, resulting in poor cooling. A blown head gasket can cause coolant to leak into the combustion chambers and burn off. Most modern vehicles use R-134a refrigerant, but newer vehicles are increasingly using R-1234yf as a more environmentally friendly replacement. 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. 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. FAILING. 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. 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 best fix is to replace the rear evaporator and hope it goes more than 2 years before the problem happens again. 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. The refrigerant pressure is affected by the outside atmospheric temperature. All do-it-yourself projects entail some risk. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. 3 offers from $32.73. She currently resides in South Florida. (But it bothers the wife about 10 days out of the year.) 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. 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 may need recharging after every few years. Once the leak has been found, this must be closed again by replacing the respective component. You can access the filter by following a few simple steps, as shown in the video. 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. Sometimes when a thermostat goes bad, it stays stuck open. 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. If your Grand Caravan is losing coolant, that means there is a leak somewhere or it is getting burned up inside the engine. The design of the heater core is similar to the radiator, it has narrow internal channels through which hot coolant flows. If the coolant level is low, open the cap and pour some coolant into the tank until it is between minimum and maximum mark. Automatic transmission. One is labelled H for high-pressure and the other one is labelled L for low-pressure. Turn on the AC and set it to the coldest setting, and the fan speed to maximum. Just like with low refrigerant, the AC in Grand Caravan will blow warm air only if the AC system is overcharged with refrigerant. Dodge Caravan - Looking for a Used Caravan in your area? The water pump is the heart of the cooling system in Grand Caravan responsible for pumping coolant throughout the system and cooling the engine. If the refrigerant level goes down again quickly, it means there is probably a leak. Aug 25, 2008 2003 Dodge Caravan helpful Flashing lights! Check which type of refrigerant your vehicle uses. In any case, it is advisable for laypersons to visit a workshop. Therefore, it is recommended to do this in a workshop. There are many reasons why your Dodge Grand Caravan AC is not cooling properly. 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. Really? 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. Therefore it is recommended to do this at a workshop. Tried all combinations of power on, rotating the know etc. The heating system in Grand Caravan uses hot coolant or antifreeze from the engine block to heat the interior of the vehicle. 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. In the AC settings, find the three leftmost buttons. If one is hot and the other is cold, you have a plugged heater core. In case of contamination, you may have to flush out the contaminants from the AC system of your Grand Caravan, including the condenser and the evaporator, before putting in the new part. 90,000 miles. Follow the manufactures repair procedure and use appropriate safety procedures. In rare cases, a fault in the climate control unit can cause the AC to stop cooling. A worn out or weakened blower motor can also produce abnormal sounds when in operation. However, if you dont turn on the air conditioning on your Grand Caravan for a long time, the parts will stick. 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. A low refrigerant level in your Grand Caravan does not necessarily mean there is a leak. Clearing the air from the heater core will not help until the head gasket has been replaced. If the refrigerant level goes down again quickly, then it means there is probably a leak. This hinders the condensers ability to release heat as less air passes through the mesh, which results in poor cooling in the cabin. HOLD the buttons for 10 sec and the instrument cluster will go into a diagnostic sequence. If this is the case, the only option is to replace the broken part. In this video we show you How To Repair a Dodge Caravan Air Conditioning System. Caravan fan and ac not working 1 Answer. This vehicle was purchased in July 2014 and as of July 2015, the REAR Air Conditioning unit has stopped working. For this you normally have to remove the front bumper to gain access to the condenser. Wisconsin certified. Amedee is online now 2016 Dodge Grand Caravan This problem may be covered under warranty. Larger leaks may already be heard or you can find them with a leak detection spray. Grand Caravan SXT 3.6L V6. The rear HVAC housing has electric stepper motors driving the temperature blend door (cool/warm) and the air mode door (side/headliner vents). If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. However, when you turn the A/C back on by pressing the A/C button rather than the Auto button, it will allow you to also engage the Recirc button. An overcharged system not only affects cooling performance but can also damage the compressor and sometimes can cause a major leak. Therefore, the filter performance will not increase significantly even after cleaning. The top button controls the rear wiper on constant and the bottom button controls the rear wiper washer fluid. There is only one compressor so the freon must travel to the rear evaporator. The blower motor is the central component of the air conditioning system in Grand Caravan, responsible for blowing cold air through the AC vents. Thanks Leak discovered. A bad water pump will not only cause poor heating, but can also result in engine damage due to overheating. If only hot air comes out of the air vents in your Grand Caravan, then the problem probably lies somewhere else. RB The Mechanic assumes no liability for property damages or injury incurred as a result of any of the information contained in this video. Due to factors beyond the control of RB The Mechanic, it cannot guarantee against unauthorized modifications of this information. year to help you gain confidence about one of your largest purchase decisions. Show more. Dodge Grand Caravan. However, if you turn the A/C completely Off, turn the ignition system off. Therefore it is important to diagnose a failing water pump at early stages to avoid expensive repairs later on. The hot coolant is pumped through the heater core located behind the dashboard. Bad Thermostat The job of your Caravan's thermostat is to regulate the temperature of the engine. The wiring harness itself can go bad. 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. fan is running and no air is moving. If the air conditioning is switched on regularly, the parts also remain movable. This mode is useful for clearing fog from the windows. 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. Due to factors beyond the control of RB The Mechanic, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. That means every time you start the van, climate controls go through self adjustment and check every blend door actuator and blend door. 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. The blend door actuator may require recalibration after replacement. The Questions and Answers on this page are the statements and opinions of their respective authors and not VehicleHistory.com. Instead of changing the cabin air filter in Grand Caravan, it is often recommended to first clean the filter. You need a pro that specializes in AC systems to troubleshoot what the issues are. 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. Bought brand new in March 2012. RB The Mechanic recommends to follow safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, chemicals, or any other tools or equipment seen or implied in this video. 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. You just have to locate the coolant overflow reservoir and inspect the level of coolant in it. 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. In any case, it is advisable for laypersons to visit a workshop. Over time, grime, bugs and other small particles can build up on its surface and in the gaps of its mesh. 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. 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. Insert the key into the ignition and turn to the "On" position. To begin troubleshooting, you must first connect the diagnostic tool to your Grand Caravan. The sound will be most prominent for a few seconds when you turn on the air conditioning or adjust the temperature. In rare cases, a fault in the climate control unit can cause the heater to stop functioning. Due to the complexity of the replacement job, it is not recommended as a DIY project. 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. 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? Turn the Mode Control dial to "Panel." The sound is most prominent right after you start the vehicle. It is generally recommended to replace the cabin air filter every year at the start of the winter season. Checking coolant level in Grand Caravan is a fairly some job. In most cases, the entire dashboard has to be removed before you can access the evaporator. If it is blown, replacing the fuse will only solve the problem for a very limited period of time. 5th Generation Chrysler Minivans: 2008-2020, 4th Generation Chrysler Minivans: 2001-2007, 3rd Generation Chrysler Minivans: 1996-2000, 2nd Generation Chrysler Minivans: 1991-1995. There is no prescribed time for changing cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. . What 3 far left buttons? What to do? As a rule, there is no avoiding a change if the filter is dirty. 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. There is no prescribed time for changing cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. Blend air doors can be a problem. Start by inspecting the condition of the cabin air filter on your Grand Caravan. 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 Dodge Caravan AC is known for one thing.. dash and headlights RESET PROCEDURE With the ignition off, press the TRIP and RESET buttons at the same time you turn on the ignition. Just have it refilled and you can drive with pleasant temperatures again. 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 . Switch the Mode Control knob to "Panel." Blower not working, no air condition or heat? In this way, it can be determined whether the loss of refrigerant is due to a defective condenser. The compressor is the heart of the entire air conditioning system on Dodge Grand Caravan. JavaScript is disabled. Your air conditioning system no longer cools properly? A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling and air flow. Jun 14, 2017. For a better experience, please enable JavaScript in your browser before proceeding. Just have it refilled and you can drive with pleasant temperatures again. FAILING. 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. It will be anywhere from $1000 tp $1500 to have a garage do the work. #1. As a rule, there is no avoiding a change if the filter is dirty. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling, heating and air flow. Its possible the fan is dead, and you may have to replace it. Feel both the rubber lines going in and out of the heater core after the engine has warmed up. 56,823 Satisfied Customers 20+ yrs. Caravan fan and ac not working 1 Answer. If your Grand Caravan has push start/stop button, then its possible that your vehicle may not start due to weak key fob battery. I have air in front of the van but my back is only blowing out hot air. When the heater is turned on and the AC turned off, the compressor does not turn on and the evaporator is not cooled. Mine is 2011 and has turn knobs for fan & temp. 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. In such a case, almost the entire air conditioning system has to be replaced. experience as repair shop manager and technician. If found dirty, clean it using a brush. Eric is online now Continue Related Dodge Questions My Dodge grand Caravan rear AC is blowing hot air while my CarGurus has 52 nationwide Caravan listings starting at $3,499 . Step 3 Locate the three leftmost buttons in the AC controls. Possible leaks or failed components in the rear. 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. Check all front HVAC fuses and relays M11 and J15 I believe, all good. 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. There is no fixed time for replacing the cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. A professional mechanic can swiftly diagnose the heating issue for you. 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. Locate two rubber hoses that connect to the heater core through the firewall area. Grand Caravan Crew 3.6L V6 Automatic transmission 46,300 miles AC stopped blowing cold. Air should blow out of the vents at different intervals during the reset. After cleaning, reconnect the terminals. Jul 18, 2012. The sound will be most prominent for a few seconds when you turn on the air conditioning or adjust the temperature. 1. My rear a/c is not working in my 2008 town and country, blowers work fine but only blow warm air. 2019 Dodge Grand Caravan 35 Anniversary Model. Thanks for your support! It doesn't bother me. 1. In addition to the vehicle make, model, and engine type, you usually also have to type in the Vehicle Identification Number (VIN). 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 . Cabin air filter captures most of the dirt or other airborne particles, but some escape and fall on to the evaporator. Where are the 3 buttons to hold for reset? A leaking condenser can lead to a loss of refrigerant and reduced cooling performance of the system. 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. 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. The sound will be most prominent for a few seconds when you turn on the air conditioning or adjust the temperature. If you only install a new compressor here, another failure is inevitable, as the chips immediately destroy the new component. The failure mileage was 125,393. It is a well known problem and any Caravan I have every seen has had this problem. Dirty evaporator can also be the reason for AC problems on your Dodge Grand Caravan. Once you start the car back up the A/C will still be off. This is an illustration of the normal repair that we see in the shop. 37 % of the time it's the. The top button will flash when the reset is completed. It is the sole responsibility of the viewer to assume this risk. could the drain be plug and the evaporator is freezing up? Press and hold the top one and bottom one. The air conditioning is a blessing, especially in hot temperatures. A patient turn the temp control to warm because the air conditioner was too cold. 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. Cleaning the evaporator in Grand Caravan is not a simple task. 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. If the compressor fails, the AC will only blow warm air. Remove the blower fan in a Dodge Caravan by first disconnecting the battery, then waiting two minutes to disable the airbags. If Your climate control is not working properly in Your Dodge Caravan then You may want to reset it. However, the high-pressure refrigerant pulls these chips back with it during operation and the next damage is inevitable. A knocking noise from behind the dashboard could be an indicator of a bad blend door actuator in your Grand Caravan. Remove the blower motor, typically located under the passenger side dashboard, and inspect the condition of the cage. Place the key into the ignition and switch it to the "On" position. No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. The air flow from the vents is choppy and not smooth. 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