My 2003 Dodge Grand caravan blows hot air and my friends that was looking under the hood said that the fans arent coming on, not sure what fans but what do I do. There are several causes for AC not blowing cold air in Grand Caravan, which we will go through in this article. A bad blend door actuator usually cannot be repaired and must be replaced with a new one. A patient turn the temp control to warm because the air conditioner was too cold. 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. This hinders the condensers ability to release heat as less air passes through the mesh, which results in poor cooling in the interior. Switch the Mode Control knob to "Panel." In this way, it can be determined whether the loss of refrigerant is due to a defective condenser. 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. The AC will start to calibrate and reset. The Dodge Caravan AC is known for one thing.. If the coolant level is low, open the cap and pour some coolant into the tank until it is between minimum and maximum mark. HVAC with 3 zone controls. Check all front HVAC fuses and relays M11 and J15 I believe, all good. 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. #1. Check which type of refrigerant your vehicle uses. She currently resides in South Florida. 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. 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. Seem to be moving and so forth. 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. 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. Specifically replace the condenser, evacuated, and recharge the AC system with R134 refrigerant on a 2002 Dodge Caravan minivan. A bad water pump will not only cause poor heating, but can also result in engine damage due to overheating. 3. 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. 0%. JavaScript is disabled. The dryer is often overlooked. 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. Do you still sweat while driving your Dodge Grand Caravan? Note: Dirty cabin air filter mostly only leads to reduced cooling. Step 3 Locate the three leftmost buttons in the AC controls. 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. If it stops permanently I'll pull the carpeted cover under the glove box and see if I can pull, clean, and lube the actuator. As a rule, there is no avoiding a change if the filter is dirty. If the condenser is dirty on your Grand Caravan, the simplest solution is to clean it. The OBDII connector is usually located under the dashboard. Mark helpful. 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. Don't worry, you can still start your vehicle - the battery is only used to send the signal for locking/unlocking. It also puts unnecessary strain on the entire AC system which negatively impacts your Grand Caravans fuel consumption. Anytime there is a problem with the temperature of the air conditioning system, it could be a problem with the blend door actuator. I bought it used, but the air worked fine when I bought it in 2004. You must start the Dodge Caravan to reset the Dodge Caravan climate control. 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. In this video we show you How To Repair a Dodge Caravan Air Conditioning System. Weak key fob battery. The front air con works greatany ideas would could be the problem and how to fix it! 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. In rare cases, a fault in the climate control unit can cause the heater to stop functioning. Remove the glove compartment, unscrew the blower fan and then unplug the electricity to it. This information is typically located under the hood and/or in the owners manual. Heat and air works great but if you say, switch to floor then it willbe floor and face. Rear AC not working Rear AC not working 2016 Dodge Grand Caravan Asked by Visitor in Englewood, CO on September 05, 2021 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. If the temperature changes a little, the module may need calibration with the scan tool (StarScan, StarMobile, etc). Insufficient lubricant: The compressor in Grand Caravan needs lubrication to function properly and minimize mechanical wear by reducing friction. It is important that you enter this 100% correctly, otherwise the result of the search may be inaccurate. After the Dealer replaced 2 major Components in the AC System, the Air still comes on in Neutral and Park even when the Air is not switched on and only the Outside Vent is on. As soon as the light starts to flash release the two buttons and the system will reset. This can happen due to a leak or if the AC has not been recharged for a long time. Very common problem & they were surprised there . Feel both the rubber lines going in and out of the heater core after the engine has warmed up. 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. could the drain be plug and the evaporator is freezing up? Therefore, the filter performance will not increase significantly even after cleaning. That means every time you start the van, climate controls go through self adjustment and check every blend door actuator and blend door. 3 offers from $32.73. Amedee is online now dash and headlights RESET PROCEDURE With the ignition off, press the TRIP and RESET buttons at the same time you turn on the ignition. In any case, it is advisable for laypersons to visit a workshop. The head gasket is responsible for providing the seal between the engine block and cylinder heads. What 3 far left buttons? A professional mechanic can swiftly diagnose the heating issue for you. 2014 Dodge Grand Caravan SXT (about 65k miles) . We research hundreds of models each If you have front AC that is working fine then the rear should also work if the blower is working. 2014 caravan. Therefore it is important to diagnose a failing water pump at early stages to avoid expensive repairs later on. 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. (But it bothers the wife about 10 days out of the year.) The blower motor is the central component of the air conditioning system in Grand Caravan, responsible for blowing cold air through the AC vents. 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. There is no prescribed time for changing cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. . You dont have to go to a workshop to check for a leaking head gasket in your Grand Caravan. 2000 Grand Caravan - drivers side heat not working - Passenger and rear are fine 2 Answers. Ask your Dodge dealer. This vehicle was purchased in July 2014 and as of July 2015, the REAR Air Conditioning unit has stopped working. There are 2 separate evaporators but only one compressor. The compressor is the heart of the air conditioning system in Dodge Grand Caravan. Over last two years the front dash vents gradually lost all read more Chris Shop Foreman 8,839 satisfied customers 2001 dodge grand caravan sport: expansion valves..ac compressor..kick This setting only directs air to your face and upper body and not your feet. Another patient said the AC is just blowing warm air. experience as repair shop manager and technician. If the condenser is dirty on your Grand Caravan, the simplest solution is to clean it. The only thing that helps is swapping with a new one. Blower not. So, all of them must be inspected when diagnosing poor air flow. 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 . Check fan relay. Step 1 Start the Dodge Caravan. Cleaning the evaporator in Grand Caravan is not a simple task. A clogged or leaking condenser can also be the reason for air-conditioning not working properly on your Grand Caravan. Insufficient amount of refrigerant is still the main cause of a non-functioning AC system. The Dodge Caravan AC is known for one thing.. FAILING. What was replaced? Therefore, it is recommended to do this in a workshop. Instead of changing it directly, it is often recommended to first clean the pollen filter. 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. Many - Many - Many . 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 videos are intended for information only. It is a well known problem and any Caravan I have every seen has had this problem. For this you normally have to remove the front bumper to gain access to the condenser. Insert the key into the ignition and turn to the "On" position. Check all the relevant fuses and relays related to the air-conditioning system in your Grand Caravan. The most common causes that hinders normal operation of air conditioning system on your Dodge Grand Caravan are dirty cabin air filter, refrigerant leak, dirty or clogged condenser, dirty or clogged evaporator, bad blower motor, defective compressor, faulty blend door actuator or any fault in the electrical system. Unless the wiring issue is fixed, the fuse will blow again. 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 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. Check the system pressure. Excessive oil can also reduce the performance of the compressor and can cause it to fail prematurely. There are many reasons why air conditioning may not be working properly on your Dodge Grand Caravan. 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 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. 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 heater in Dodge Grand Caravan ensures comfortable temperature in the passenger compartment when the weather is chilly. 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. fan is running and no air is moving. The AC light should illuminate and then flash. Bought brand new in March 2012. 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. 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. You just have to locate the coolant overflow reservoir and inspect the level of coolant in it. To complete the reset, press the top button. The rear works fine, AC cycles on fine, but no matter what I can't get any air to come out of the front. The inside of the vehicle is developing a bad moldy smell. Warning: Wear gloves and safety glasses before recharging the AC to avoid accidental exposure to harmful chemicals in the refrigerant. 92492 20+ yrs. A maximum of the metal pipes can be rinsed here. Note: Dirty cabin air filter mostly only leads to reduced cooling. 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. It consists of moving parts that convert what is actually a gaseous coolant into liquid this is how your vehicle is cooled. Copyright 2023 Leaf Group Ltd. / Leaf Group Media, Auto User Manual: Dodge Caravan Owner's Manual. 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. This gives you a fresh start for the winter, improves defroster performance, and reduces chances of mold or mildew growth. Find a better mechanic. 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. After two years, Braun left to pursue her entrepreneurial dreams. This can have different causes. Press the top button to complete the reset. 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. 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. ! Since the heater core is usually slightly higher, the air will accumulate in there first. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. This is . When the heater is turned on and the AC turned off, the compressor does not turn on and the evaporator is not cooled. This is an illustration of the normal repair that we see in the shop. Over time, grime, bugs and other small particles can build up on its surface and in the gaps of its mesh. In the event of a defect, the mechanic can directly initiate the repair. Connect the pressure gauge to the low pressure (L) port in Grand Caravan. Dirty evaporator can cause weak airflow and reduce the heating performance in Grand Caravan. The heating system in Grand Caravan uses hot coolant or antifreeze from the engine block to heat the interior of the vehicle. 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No luck. Tried all combinations of power on, rotating the know etc. Tried the above reset, didn't work. Let us know what you find with this and we can go from there. stop for 20 minutes and it work for 1 hour then quit. This mode is useful for clearing fog from the windows. 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. 2000 Grand Caravan - drivers side heat not working - Passenger and rear are fine 2 Answers. Just make sure the temp control on the upper console facing the rear seats is not turn to warm. There can also be a refrigerant leak in the evaporator, in that case the evaporator will have to be replaced. does not research or authenticate any of the Answers provided. A patient turn the temp control to warm because the air conditioner was too cold. Christopher S July 30, 2020. Over time, these dust particles can builds up on the fins and block the air flow through the evaporator, resulting in poor cooling. The air flow from the vents is choppy and not smooth. 166. 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. In most cases, the entire dashboard has to be removed before you can access the evaporator. Follow the manufactures repair procedure and use appropriate safety procedures. There is only one compressor so the freon must travel to the rear evaporator. If your Grand Caravan has push start/stop button, then its possible that your vehicle may not start due to weak key fob battery. Show more. A knocking noise from behind the dashboard could be an indicator of a bad blend door actuator in your Grand Caravan. . Dodge Grand Caravan Sport: 2003 Grand Caravan Sport 3.8l 128000km 2003 Grand Caravan Sport 3.8l 128000km with front- and rear-AC system. Caravan fan and ac not working 1 Answer. ZIP: #1 Paul Reputation 2,020 #2 tenspeed Reputation 1,510 #3 Dan Ritz Reputation 1,480 If one is hot and the other is cold, you have a plugged heater core. Switch the Mode Control knob to "Panel." This setting only guides air to your face and upper body, not your legs. 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? The manufacturer was not notified of the failure. 1. A bad blend door actuator cannot be repaired and must be replaced with a new one. Sometimes changing the temperature can temporarily stop the sound. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling, heating and air flow. Place the key into the ignition and switch it to the "On" position. 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. 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. 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. Jul 13, 2012. This hinders the condensers ability to release heat as less air passes through the mesh, which results in poor cooling in the cabin. 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. Dodge Caravan Climate Control Air Conditioner Blows Hot A/C blowing hot air CHEWBUG2 MEMBER DODGE CARAVAN I am a lady and do not know alot about cars, but I think I got scammed when I took my car in to have the a/c fixed. 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. Low coolant or air in the cooling system Low coolant level or air in the cooling system can cause the heater to stop working properly in Grand Caravan. Hope this helps. Checking coolant level in Grand Caravan is a fairly some job. Blend door actuator plays a role in controlling the air flow and temperature inside your Grand Caravan. The air conditioning is a blessing, especially in hot temperatures. Clogged heater core is one of the leading causes of heating not working in Dodge Grand Caravan. Your vehicles air conditioning system has an expansion vale or an orifice tube, depending on the model. The Dodge Caravan is a minivan manufactured and sold by the Dodge division of the Chrysler Group. It is generally recommended to replace the cabin air filter every year at the start of the winter season. Really? The AC stopped working a while ago. 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. "AC unit" - what does that mean? Two compressors for a rear air 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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If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. Cabin air filter captures most of the dirt or other airborne particles, but some escape and fall on to the evaporator. An overcharged system not only affects cooling performance but can also damage the compressor and sometimes can cause a major leak.