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. 166. Your vehicles air conditioning system has an expansion vale or an orifice tube, depending on the model. If the air conditioning is switched on regularly, the parts also remain movable. By filling and properly bleeding the system the heat should come back. Both should be hot. Over time dust can accumulate on the fins and reduce the air flow, which reduces cooling performance. Its possible the fan is dead, and you may have to replace it. CarGurus has 52 nationwide Caravan listings starting at $3,499 . 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However, if you turn the A/C completely Off, turn the ignition system off. Shake the canister briefly and release the refrigerant into the system until the recommended pressure has been achieved. 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. However, if you dont turn on the air conditioning on your Grand Caravan for a long time, the parts will stick. If the condenser is dirty on your Grand Caravan, the simplest solution is to clean it. 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. Dodge Grand Caravan Sport: 2003 Grand Caravan Sport 3.8l 128000km 2003 Grand Caravan Sport 3.8l 128000km with front- and rear-AC system. This gives you a fresh start for the winter, improves defroster performance, and reduces chances of mold or mildew growth. Rear controls stuck and blowing high heat no matter what happens in other zones. Place the key into the ignition and switch it to the "On" position. 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. Inspect the cabin air filter (if equipped) to verify that it is not clogged. The Questions and Answers on this page are the statements and opinions of their respective authors and not VehicleHistory.com. Automatic transmission. 1. There are many reasons for poor heating performance in Grand Caravan, which are explained in this article. Happened on the 2008 Dodge I drive for the company. 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. A family member purchased a new 2017 Grand Caravan SXT with the rear heat / ac. AC dont work on Dodge Caravan Check FUSE & Relay RB The Mechanic 59.2K subscribers Subscribe 44K views 2 years ago Due to factors beyond the control of RB The Mechanic, it cannot guarantee. So, all of them must be inspected when diagnosing poor air flow. 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. A broken compressor is usually irreparable. 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. This information is typically located under the hood and/or in the owners manual. 5th Generation Chrysler Minivans: 2008-2020, 4th Generation Chrysler Minivans: 2001-2007, 3rd Generation Chrysler Minivans: 1996-2000, 2nd Generation Chrysler Minivans: 1991-1995. Leak was due. It doesn't bother me. Dodge Grand Caravan. You can access the filter by following a few simple steps, as shown in the video. If one is hot and the other is cold, you have a plugged heater core. The system is filled with forming gas (nitrogen with a little hydrogen) in the workshop. Rear AC Block Kit Ford E-Series Van. A professional mechanic can swiftly diagnose the poor AC cooling issue for you. Find a better mechanic. Press and hold the top one and bottom one. Blend door actuator plays a role in controlling the air flow and temperature inside your Grand Caravan. Below is a chart that will help with proper pressures. Check which type of refrigerant your vehicle uses. Since the heater core is usually slightly higher, the air will accumulate in there first. 2014 Dodge Grand Caravan SXT, 3.6, 1000 miles, the warm air works in the back all winter, the front has cold air, dont really understand why only half the air con works, is it too seperate systems, do I have to recharge somewhere in the back too. 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. A low refrigerant level in your Grand Caravan does not necessarily mean there is a leak. YOU HAVE TO GO WITH DODGE OEM BLEND DOOR ACTUATOR (MOPAR).Part #: M8679001Watch my video for the full explanation.Rear temperature blend door actuator replacement:https://youtu.be/F3QhRBu5AvgPassenger side blend door actuator replacement:https://youtu.be/CYTsrmHK9uUGive me your support and join the channel:https://www.youtube.com/channel/UCvyScrAKiK8NL66K4yrQTnA/joinThanks for watching.Don't forget to Like the video / SUBSCRIBE to the channel! DISCLAIMER:While QuiteAlright strives to make the information provided in this video as accurate as possible, it makes no claims, promises, or guarantees about the accuracy, completeness or applicability of the content. 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. Both of these are at risk of clogging due to contamination, for example due to metal shavings from a failing compressor. Insert the key into the ignition and turn to the "On" position. You must start the Dodge Caravan to reset the Dodge Caravan climate control. Note: Dirty cabin air filter mostly only leads to reduced cooling. The compressor is the heart of the air conditioning system in Dodge Grand Caravan. Mark helpful. 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. 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. 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. 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. 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. The sound will be most prominent for a few seconds when you turn on the air conditioning or adjust the temperature. 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 heater in Dodge Grand Caravan ensures comfortable temperature in the passenger compartment when the weather is chilly. Just have it refilled and you can drive with pleasant temperatures again. 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 A knocking noise from behind the dashboard could be an indicator of a bad blend door actuator in your Grand Caravan. . Larger leaks may already be heard or you can find them with a leak detection spray. A patient turn the temp control to warm because the air conditioner was too cold. You must start the Dodge Caravan to reset the Dodge Caravan climate control. 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. Over time, grime, bugs and other small particles can build up on its surface and in the gaps of its mesh. Dont worry, there is no risk of suffocation, as the air recirculation mode still allows up to approximately 10 percent of the air coming from the air vents to be fresh air from the outside. Christopher S July 30, 2020. ZIP: #1 Paul Reputation 2,020 #2 tenspeed Reputation 1,510 #3 Dan Ritz Reputation 1,480 For this you normally have to remove the front bumper to gain access to the condenser. 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 !! 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 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. In this video we show you How To Repair a Dodge Caravan Air Conditioning System. There is only one small cable running to the blower fan which transmits the electricity. The videos are intended for information only. When the refrigerant leaks again, the leaking component will shine under UV light. Switch the Mode Control knob to "Panel." Start the Dodge Caravan. If the refrigerant level goes down again quickly, it means there is probably a leak. The excess oil may pool in various places of the AC system and can coat the inner walls of the evaporator and condenser, diminishing their ability to absorb or dissipate heat, consequently reducing the overall cooling performance. The vehicle was not repaired. Just have it refilled and you can drive with pleasant temperatures again. 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. 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 only hot air comes out of the air vents in your Grand Caravan, then the problem probably lies somewhere else. A common symptom of a faulty blend door actuator in vehicles with dual zone climate control system is one side blowing hot air while the other side is blowing cold air. The sound is most prominent right after you start the vehicle. This hinders the condensers ability to release heat as less air passes through the mesh, which results in poor cooling in the cabin. front air stop blowing. Like the radiator, the air conditioning condenser on Dodge Grand Caravan sits at the front of the vehicle and is responsible for releasing the heat from the refrigerant into the ambient air. It is generally recommended to replace the cabin air filter every year at the start of the winter season. 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 only hot air comes out of the air vents in your Grand Caravan, then the problem probably lies somewhere else. Ask your Dodge dealer. Remove the cap from the low pressure service port labelled L, and connect the AC recharge kit. This would require a scan tool to confirm correct operation. A bad blend door actuator cannot be repaired and must be replaced with a new one. 1. You just have to locate the coolant overflow reservoir and inspect the level of coolant in it. Seem to be moving and so forth. The dryer is often overlooked. "AC unit" - what does that mean? There are flush kits available in the market that can help you do the job yourself. Check all the relevant fuses and relays related to the air-conditioning system in your Grand Caravan. The best fix is to replace the rear evaporator and hope it goes more than 2 years before the problem happens again. 3 offers from $32.73. The block off kit can be found here: www.streetrodguys.com There is only one compressor so the freon must travel to the rear evaporator. 2016 Dodge Grand Caravan This problem may be covered under warranty. 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. Remove the blower fan in a Dodge Caravan by first disconnecting the battery, then waiting two minutes to disable the airbags. Show more. 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. Eric, Automotive Repair Shop. For us shade tree mechanics and cheap people the best fix is to just block the rear ac off. 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. tried different settings, defrost, floor and turn the heat on. 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. Insufficient amount of refrigerant is still the main cause of a non-functioning AC system. The two most prominent symptoms of a clogged up evaporator on your Grand Caravan are: Cleaning the evaporator on Grand Caravan is not a simple task. 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. Follow the manufactures repair procedure and use appropriate safety procedures. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling, heating and air flow. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. It is also cryogenic and can cause severe frostbite when it comes in contact with the skin. 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. In this way, it can be determined whether the loss of refrigerant is due to a defective condenser. 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. Step 1 Start the Dodge Caravan. Automatic transmission. Diana Braun began her writing career as a consultant and technical writer for a software company focusing on how-to, training, white paper, and internal process documentation. Blend air doors can be a problem. This vehicle was purchased in July 2014 and as of July 2015, the REAR Air Conditioning unit has stopped working. Press and hold the top one and bottom one. 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. Check the owners manual of your vehicle or the fuse box cover to find the exact location of the AC fuses. 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. Place the key into the ignition and switch it to the "On" position. 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. Less common causes are clogged expansion valve or orifice tube, overcharged oil, faulty blend door actuator, or a defect in the climate control unit. Jul 18, 2012. The compressor is the heart of the entire air conditioning system on Dodge Grand Caravan. The AC will start to calibrate and reset. The only thing that helps is swapping with a new one. 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. 2000 Grand Caravan - drivers side heat not working - Passenger and rear are fine 2 Answers. I have a 1994 Dodge Caravan with 130,000 miles on it. The minivan was first manufactured in 1983 and remains in production as of 2011. In the event of a defect, the mechanic can directly initiate the repair. 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. 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. If your Grand Caravan is losing coolant, that means there is a leak somewhere or it is getting burned up inside the engine. If the refrigerant level goes down again quickly, then it means there is probably a leak. This puts strain on the motor and further reduces the air flow and cooling performance, and may also cause unusual noises from behind the dashboard. Most modern vehicles use R-134a refrigerant, but newer vehicles are increasingly using R-1234yf as a more environmentally friendly replacement. nothing. It is the sole responsibility of the viewer to assume this risk. 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. VehicleHistory.com To improve heating efficiency, it is recommended to switch on air recirculation mode. In that case driving at high speed should blow some cold air from the AC. Amedee is online now What these are and what you can do about it, we explain in this article. Let us know what you find with this and we can go from there. A defective sealing ring, a worn line or a condenser that has been damaged by a stone chip are the most common causes. Low coolant level or air in the heater core can sometimes cause sloshing sound from behind the dashboard when the engine is running. When you turn on the heating, air gets blown through the heater core, warming the air in the cabin.If there is air trapped inside the heater core, the coolant will not be able to flow through it properly. It's fake /inaccurate, What high and low buttons? 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. HVAC with 3 zone controls. 0%. The procedure, commonly called calibration, initiates the self diagnostic test and system reset for the vehicle's air conditioning. Doing a DIY diesel swap? Therefore, the filter performance will not increase significantly even after cleaning. This is mostly common in older vehicles. 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. (But it bothers the wife about 10 days out of the year.) Cleaning the evaporator in Grand Caravan is not a simple task. After two years, Braun left to pursue her entrepreneurial dreams. The blend door actuator may require recalibration after replacement. . A clogged or leaking condenser can also be the reason for air-conditioning not working properly on your Grand Caravan. 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 temperature doesn't change at all, the door may be stuck or broken. Therefore, the filter performance will not increase significantly even after cleaning. 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 Next You will need to press the highest and lowest buttons on the AC control panel until the AC light begins to flash. The air flow from the vents is choppy and not smooth. The air conditioning is a blessing, especially in hot temperatures. Step 3 Locate the three leftmost buttons in the AC controls. 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. A blown head gasket can cause the exhaust gases from the engine to enter the cooling system and plug the heater core. The rear HVAC housing has electric stepper motors driving the temperature blend door (cool/warm) and the air mode door (side/headliner vents). There are 2 separate evaporators but only one compressor. We research hundreds of models each It will be anywhere from $1000 tp $1500 to have a garage do the work. It's an obvious rear mode door or switchology problem as stated. Grand Caravan Crew 3.6L V6 Automatic transmission 46,300 miles AC stopped blowing cold. Sometimes when a thermostat goes bad, it stays stuck open. Keep in mind that the front AC will not cool the van as good as having a twin system. 2019 Dodge Grand Caravan 35 Anniversary Model. The inside of the vehicle is developing a bad moldy smell. A worn out or weakened blower motor can also produce abnormal sounds when in operation. The heating system in Grand Caravan uses hot coolant or antifreeze from the engine block to heat the interior of the vehicle. If the fuse is blown, replace it with a new one with the specified amp rating. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Vehicle History's team of automotive experts brings you the most accurate and up-to-date used car information. 7.5 pretty bad Typical Repair Cost: $1,500 Average Mileage: 43,900 miles Total Complaints: 4. As a rule, there is no avoiding a change. 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. The head gasket is responsible for providing the seal between the engine block and cylinder heads. . A knocking noise could be another indicator of a bad blend door actuator on your Grand Caravan, although its quite rare. Grand Caravan Blacktop Package 3.6L. 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. 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. A bad water pump will not only cause poor heating, but can also result in engine damage due to overheating. Insert the key into the ignition and turn to the "On" position. Air should blow out of the vents at different intervals during the reset. 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. Too much oil: If there is excessive amount of oil added with the refrigerant, it can cause compressor performance issues which reduces cooling efficiency, and can also cause premature compressor failure. The pollen filter, also known as the cabin air filter or microfilter, is responsible for filtering the air that the passengers breathe in the cabin. Just like with low refrigerant, the AC in Grand Caravan will blow warm air only if the AC system is overcharged with refrigerant. 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. 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. If the temperature changes a little, the module may need calibration with the scan tool (StarScan, StarMobile, etc). Instead of changing it directly, it is often recommended to first clean the pollen filter. Therefore, the filter performance will not increase significantly even after cleaning. Rear A/C Block off Kit Air Conditioning Block Off Compatible with 2012-2016 Town/Country Dodge Caravan w/Dual Bolts. 2023 Vehicle History Inc. All Rights Reserved. Anytime there is a problem with the temperature of the air conditioning system, it could be a problem with the blend door actuator. 2010 T&C Touring, 3.8L, 6 Speed 62TE Trans. As a rule, there is no avoiding a change if the filter is dirty. Once we know what the actual charge is in the system then we can start narrowing it down to just the rear system and a possible door motor issue but if the charge is weak then we will not fix it unless we check this first. 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.
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