Doing a DIY diesel swap? 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. The OBDII connector is usually located under the dashboard. Therefore, the filter performance will not increase significantly even after cleaning. Jul 18, 2012. dash and headlights RESET PROCEDURE With the ignition off, press the TRIP and RESET buttons at the same time you turn on the ignition. I have a 1994 Dodge Caravan with 130,000 miles on it. Less common causes are clogged expansion valve or orifice tube, overcharged oil, faulty blend door actuator, or a defect in the climate control unit. Two compressors for a rear air problem? To complete the reset, press the top button. If you have front AC that is working fine then the rear should also work if the blower is working. The top button will flash when the reset is completed. 24,855 miles. It is now 90+ degrees where we live with high humidity. FAILING. This setting only directs air to your face and upper body and not your feet. You dont have to remove the heater core in your Grand Caravan to check if it is clogged. There is no prescribed time for changing cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. experience as repair shop manager and technician. exactly issue im not sure why people mentioned the filter or a door not closing those 2 has nothing to do with a fan not working !! 2016 Dodge Grand Caravan This problem may be covered under warranty. Don't worry, you can still start your vehicle - the battery is only used to send the signal for locking/unlocking. 7.5 pretty bad Typical Repair Cost: $1,500 Average Mileage: 43,900 miles Total Complaints: 4. 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. Just have it refilled and you can drive with pleasant temperatures again. But if the weather is too cold, the engine may never reach its optimal operating temperature with a stuck open thermostat. To begin troubleshooting, you must first connect the diagnostic tool to your Grand Caravan. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. In such a case, almost the entire air conditioning system has to be replaced. Switch the Mode Control knob to "Panel." This setting only guides air to your face and upper body, not your legs. A broken compressor is usually irreparable. ( 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | SE | CVP | AMP | SXT | LIMITED | CREW | VALUE PACKAGE | EXPRESS ).This is just the explanation video. This hinders the condensers ability to release heat as less air passes through the mesh, which results in poor cooling in the cabin. Remove the glove compartment, unscrew the blower fan and then unplug the electricity to it. Excessive oil can also reduce the performance of the compressor and can cause it to fail prematurely. tried different settings, defrost, floor and turn the heat on. 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. Just make sure the temp control on the upper console facing the rear seats is not turn to warm. The vehicle replaced a 2013 Chevrolet Equinox. Let us know what you find with this and we can go from there. First You will need to start the van and make sure the mode in the vehicle is set to panel. Inspect the cabin air filter (if equipped) to verify that it is not clogged. 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. 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. You can recharge your AC through the low-pressure port with a do it yourself AC recharge kit. If the temperature doesn't change at all, the door may be stuck or broken. 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 blend door actuator may require recalibration after replacement. 2023 Vehicle History Inc. All Rights Reserved. stop for 20 minutes and it work for 1 hour then quit. There are 2 separate evaporators but only one compressor. Show more. If the condenser is dirty on your Grand Caravan, the simplest solution is to clean it. 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. Weak key fob battery. Low coolant level or air in the cooling system can cause the heater to stop working properly in Grand Caravan. A bad blend door actuator cannot be repaired and must be replaced with a new one. 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. A maximum of the metal pipes can be rinsed here. Grand Caravan Blacktop Package 3.6L. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced heating and airflow. RB The Mechanic assumes no liability for property damages or injury incurred as a result of any of the information contained in this video. 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. Insert the key into the ignition and turn to the "On" position. Grand Caravan Crew 3.6L V6 Automatic transmission 46,300 miles AC stopped blowing cold. 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. 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. 37 % of the time it's the. You must start the Dodge Caravan to reset the Dodge Caravan climate control. The system is filled with forming gas (nitrogen with a little hydrogen) in the workshop. 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However, if you dont turn on the air conditioning on your Grand Caravan for a long time, the parts will stick. Instead of changing the cabin air filter in Grand Caravan, it is often recommended to first clean the filter. Copyright 2023 Leaf Group Ltd. / Leaf Group Media, Auto User Manual: Dodge Caravan Owner's Manual. Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. If the condenser is dirty on your Grand Caravan, the simplest solution is to clean it. 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. Next You will need to press the highest and lowest buttons on the AC control panel until the AC light begins to flash. Hope this helps. Really? The heater may stop working in Dodge Grand Caravan due to low coolant level or air in the cooling system, clogged heater core, bad thermostat, faulty blend door actuator, bad water pump, dirty cabin air filter, bad blower motor, or HVAC control unit malfunction. If the blend door actuator fails to fully open the blend door towards the heater core, it will result in poor heating performance. 18,300 miles. If the temperature changes a little, the module may need calibration with the scan tool (StarScan, StarMobile, etc). If only hot air comes out of the air vents in your Grand Caravan, then the problem probably lies somewhere else. Checking coolant level in Grand Caravan is a fairly some job. 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. Note: Dirty cabin air filter mostly only leads to reduced cooling. Tried all combinations of power on, rotating the know etc. Place the key into the ignition and switch it to the "On" position. A patient turn the temp control to warm because the air conditioner was too cold. This is an illustration of the normal repair that we see in the shop. If you turn it to heat, does the air get hotter? If your Grand Caravan has push start/stop button, then its possible that your vehicle may not start due to weak key fob battery. 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. Air should blow out of the vents at different intervals during the reset. Unless the wiring issue is fixed, the fuse will blow again. "AC unit" - what does that mean? Many - Many - Many . It is important that you enter this 100% correctly, otherwise the result of the search may be inaccurate. With the tool connected, turn on the ignition. Resetting the system is something You can do from home but it takes a few steps. Rear ac in Dodge Grand Caravan not blowing. The two systems are joined, so if for example you lose freon, you will lose AC in the front and rear. Warning: Wear gloves and safety glasses before recharging the AC to avoid accidental exposure to harmful chemicals in the refrigerant. The dryer is often overlooked. CarGurus has 52 nationwide Caravan listings starting at $3,499 . In case of severe contamination, multiple components may have to be replaced, including the condenser, the evaporator and the compressor. Follow the manufactures repair procedure and use appropriate safety procedures. 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. She currently resides in South Florida. Thanks 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. . Home Troubleshooting Dodge Grand Caravan heater not working causes and diagnosis. If the fuse is blown, replace it with a new one with the specified amp rating. 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. Place the key into the ignition and switch it to the "On" position. 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. Insufficient lubricant: The compressor in Grand Caravan needs lubrication to function properly and minimize mechanical wear by reducing friction. The Town & Country and Grand Caravan mini vans are susceptible to rear A/C issues, especially in the rust belt. There are many reasons why the heater in your Dodge Grand Caravan is not working properly. year to help you gain confidence about one of your largest purchase decisions. #1. I have air in front of the van but my back is only blowing out hot air. However, if you turn the A/C completely Off, turn the ignition system off. Therefore, the filter performance will not increase significantly even after cleaning. It consists of moving parts that convert what is actually a gaseous coolant into liquid this is how your vehicle is cooled. For us shade tree mechanics and cheap people the best fix is to just block the rear ac off. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling and air flow. ZIP: #1 Paul Reputation 2,020 #2 tenspeed Reputation 1,510 #3 Dan Ritz Reputation 1,480 Effective March 26, 2020 and until further notice, UPS, FEDEX and USPS have suspended their Service Guarantee for all shipments from any origin to any destination. 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. Seem to be moving and so forth. Cleaning the evaporator in Grand Caravan is not a simple task. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. There can also be a refrigerant leak in the evaporator, in that case the evaporator will have to be replaced. 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. Check fan relay. Join now! This can have different causes. Another patient said the AC is just blowing warm air. The blower motor is the central component of the air conditioning system in Grand Caravan, responsible for blowing cold air through the AC vents. 2019 Dodge Grand Caravan 35 Anniversary Model. What was replaced? It is generally recommended to replace the cabin air filter every year at the start of the winter season. 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. 56,823 Satisfied Customers 20+ yrs. 2014 caravan. 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. Your vehicle may also consume more fuel than normal. There are many reasons why your Dodge Grand Caravan AC is not cooling properly. The vehicle has an air conditioning system (AC) to cool passengers during warm weather and hot drives. 1. 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. 2000 Grand Caravan - drivers side heat not working - Passenger and rear are fine 2 Answers. If the compressor fails, the AC will only blow warm air. The Dodge Caravan AC is known for one thing.. Leaks in the head gasket can cause all sorts of problems in your Grand Caravan including poor heater performance. 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 the event of a defect, the mechanic can directly initiate the repair. 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. Automatic transmission. The air conditioning is a blessing, especially in hot temperatures. The leak can be diagnosed by injecting small amount of fluorescent dye into the AC system. The manufacturer was not notified of the failure. Ask your Dodge dealer. 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. The procedure, commonly called calibration, initiates the self diagnostic test and system reset for the vehicle's air conditioning. 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. In this way, it can be determined whether the loss of refrigerant is due to a defective condenser. In any case, it is advisable for laypersons to visit a workshop. This information is typically located under the hood and/or in the owners manual. A blown head gasket can cause coolant to leak into the combustion chambers and burn off. 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. Just have it refilled and you can drive with pleasant temperatures again. Locate the three leftmost buttons in the AC controls. 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. A clogged or leaking condenser can also be the reason for air-conditioning not working properly on your Grand Caravan. The rear a/c works very, very well and they are very pleased with the a/c system. 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. Did you ever fix it my van has the same problem but all my blend doors ect.. 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. VehicleHistory.com 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. For a better experience, please enable JavaScript in your browser before proceeding. 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. Feel both the rubber lines going in and out of the heater core after the engine has warmed up. You need a pro that specializes in AC systems to troubleshoot what the issues are. Happened on the 2008 Dodge I drive for the company. Once you start the car back up the A/C will still be off. 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. The sound is most prominent right after you start the vehicle. 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. The heater in Dodge Grand Caravan ensures comfortable temperature in the passenger compartment when the weather is chilly. Clearing the air from the heater core will not help until the head gasket has been replaced. 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. 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. A knocking noise from behind the dashboard could be an indicator of a bad blend door actuator in your Grand Caravan. As a rule, there is no avoiding a change if the filter is dirty. 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. A leaking condenser can lead to a loss of refrigerant and reduced cooling performance of the system. Since some OBD codes are manufacturer-specific, the scanner will be able to give you more accurate information if you enter more details about your Grand Caravan. This would require a scan tool to confirm correct operation. After two years, Braun left to pursue her entrepreneurial dreams. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling, heating and air flow. 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. It also puts unnecessary strain on the entire AC system which negatively impacts the fuel consumption. 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. Most diagnostic devices then ask for some information about the vehicle. Locate two rubber hoses that connect to the heater core through the firewall area. Had front blower fan not working and rear was. 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. Caravan fan and ac not working 1 Answer. In rare cases, a fault in the climate control unit can cause the heater to stop functioning. Dirty cabin air filter is the leading cause of weak heater airflow in Dodge Grand Caravan. If fans arent coming on, you should have engine overheating issues. Vehicle History's team of automotive experts brings you the most accurate and up-to-date used car information. A bad blend door actuator usually cannot be repaired and must be replaced with a new one. Ditto. 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. 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 . The best fix is to replace the rear evaporator and hope it goes more than 2 years before the problem happens again. Eric, Automotive Repair Shop. 92492 20+ yrs. In this video we show you How To Repair a Dodge Caravan Air Conditioning System. 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. Insufficient amount of refrigerant is still the main cause of a non-functioning AC system. Blend door actuator plays a role in controlling the temperature inside your Grand Caravan. The failure mileage was 125,393. 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. Another patient said the AC is just blowing warm air. The pollen filter, also known as the cabin filter or microfilter, is a central component of the ventilation system in your Dodge Grand Caravan. There are two ports in the air conditioning system of Grand Caravan. 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. This mode is useful for clearing fog from the windows. 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 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. Due to factors beyond the control of RB The Mechanic, it cannot guarantee against unauthorized modifications of this information. The minivan was first manufactured in 1983 and remains in production as of 2011. Connect the pressure gauge to the low pressure (L) port in Grand Caravan. 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 This can happen due to a leak or if the AC has not been recharged for a long time. 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. Happened on the 2008 Dodge I drive for the company. The front air con works greatany ideas would could be the problem and how to fix it! Blend door actuator plays a role in controlling the temperature inside your Grand Caravan. One is labelled H for high-pressure and the other one is labelled L for low-pressure. HVAC with 3 zone controls. Wisconsin certified. The pressure values based on ambient temperatures differ depending on the type of the refrigerant. The vehicle was not repaired. No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. However, the high-pressure refrigerant pulls these chips back with it during operation and the next damage is inevitable. The AC will start to calibrate and reset. In the AC settings, find the three leftmost buttons. Leak discovered. If Your climate control is not working properly in Your Dodge Caravan then You may want to reset it. 3 offers from $32.73. It's fake /inaccurate, What high and low buttons? Jun 14, 2017. Over time, these dust particles can builds up on the fins and block the air flow through the evaporator, resulting in poor cooling. This is . Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. The Questions and Answers on this page are the statements and opinions of their respective authors and not VehicleHistory.com. Therefore, it is recommended to do this in a workshop. A worn out or weakened blower motor can also produce abnormal sounds when in operation. If the pressure is higher than the recommended pressure, let some refrigerant out preferably into a rag to avoid exposure. Amedee is online now 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.
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