2023 Vehicle History Inc. All Rights Reserved. This is . Join now! Place the key into the ignition and switch it to the "On" position. 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. 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. Wisconsin certified. A knocking noise from behind the dashboard could be an indicator of a bad blend door actuator in your Grand Caravan. 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 manufacturer was not notified of the failure. 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. 5th Generation Chrysler Minivans: 2008-2020, 4th Generation Chrysler Minivans: 2001-2007, 3rd Generation Chrysler Minivans: 1996-2000, 2nd Generation Chrysler Minivans: 1991-1995. 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. Heat and air works great but if you say, switch to floor then it willbe floor and face. Did you ever fix it my van has the same problem but all my blend doors ect.. 3.8 out of 5 stars. In rare cases, a fault in the climate control unit can cause the AC to stop cooling. The heating system in Grand Caravan uses hot coolant or antifreeze from the engine block to heat the interior of the vehicle. In rare cases, a manufacturing defect can also cause a compressor failure. 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. Jul 18, 2012. Weak key fob battery. 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 It doesn't bother me. Both of these are at risk of clogging due to contamination, for example due to metal shavings from a failing compressor. 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. stop for 20 minutes and it work for 1 hour then quit. It will be anywhere from $1000 tp $1500 to have a garage do the work. If the pressure is higher than the recommended pressure, let some refrigerant out preferably into a rag to avoid exposure. Clogged heater core is one of the leading causes of heating not working in Dodge Grand Caravan. Dirty cabin air filter is the leading cause of weak heater airflow in Dodge Grand Caravan. The sound will be most prominent for a few seconds when you turn on the air conditioning or adjust the temperature. Locate the three leftmost buttons in the AC controls. Remove the glove compartment, unscrew the blower fan and then unplug the electricity to it. A knocking noise from behind the dashboard could be an indicator of a bad blend door actuator in your Grand Caravan. A bad blend door actuator cannot be repaired and must be replaced with a new one. This is mostly common in older vehicles. 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. After two years, Braun left to pursue her entrepreneurial dreams. After cleaning, reconnect the terminals. A broken compressor is usually irreparable. If the coolant level is low, open the cap and pour some coolant into the tank until it is between minimum and maximum mark. RB The Mechanic assumes no liability for property damages or injury incurred as a result of any of the information contained in this video. The blend door actuator may require recalibration after replacement. By filling and properly bleeding the system the heat should come back. Jul 13, 2012. You can recharge your AC through the low-pressure port with a do it yourself AC recharge kit. The compressor is the heart of the air conditioning system in Dodge Grand Caravan. It consists of moving parts that convert what is actually a gaseous coolant into liquid this is how your vehicle is cooled. ! 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. The pressure values based on ambient temperatures differ depending on the type of the refrigerant. The vehicle has an air conditioning system (AC) to cool passengers during warm weather and hot drives. The only thing that helps is swapping with a new one. In addition to the normal loss, component defects are usually responsible for the escape of the refrigerant gas on Dodge Grand Caravan. 18,300 miles. HVAC with 3 zone controls. Insert the key into the ignition and turn to the "On" position. What was replaced? 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. Over time, the heater core can begin to rust or mineral deposits can form in these channels, blocking the flow of the coolant. 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. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. Most diagnostic devices then ask for some information about the vehicle. 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 . VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. If there is no air flow from the air vents in the dashboard when you turn on the heater in your Dodge Grand Caravan, it means the problem is related to the fan or blower motor function. This can happen due to a leak or if the AC has not been recharged for a long time. 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. If the liquid changes color, then there is a leak in head gasket. 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. 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. HOLD the buttons for 10 sec and the instrument cluster will go into a diagnostic sequence. 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 2000 Grand Caravan - drivers side heat not working - Passenger and rear are fine 2 Answers. You just have to locate the coolant overflow reservoir and inspect the level of coolant in it. 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. (But it bothers the wife about 10 days out of the year.) 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Refrigerant leak in Grand Caravan can be caused by leaking O-ring seals, leaking condenser or evaporator core, or a cracked hose. Christopher S July 30, 2020. This is an illustration of the normal repair that we see in the shop. The head gasket is responsible for providing the seal between the engine block and cylinder heads. Low coolant level or air in the heater core can sometimes cause sloshing sound from behind the dashboard when the engine is running. A low refrigerant level in your Grand Caravan does not necessarily mean there is a leak. The Dodge Caravan AC is known for one thing.. Home Troubleshooting Dodge Grand Caravan AC not working causes and how to fix it. I have a 1994 Dodge Caravan with 130,000 miles on it. VehicleHistory.com 0%. 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. 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. Next You will need to press the highest and lowest buttons on the AC control panel until the AC light begins to flash. Another patient said the AC is just blowing warm air. 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. Doing a DIY diesel swap? 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. FAILING. could the drain be plug and the evaporator is freezing up? There is no prescribed time for changing cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. Therefore, the filter performance will not increase significantly even after cleaning. Your vehicle may also consume more fuel than normal. The compressor is the heart of the entire air conditioning system on Dodge Grand Caravan. 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. When looking for the reason, you should start with the most obvious causes: low coolant level or air in the cooling system, and clogged heater core. The Dodge Caravan is a minivan manufactured and sold by the Dodge division of the Chrysler Group. If only hot air comes out of the air vents in your Grand Caravan, then the problem probably lies somewhere else. Blend air doors can be a problem. The heater in Dodge Grand Caravan ensures comfortable temperature in the passenger compartment when the weather is chilly. When looking for the reason, you should always start with the most obvious cause, low refrigerant level in the system. 56,823 Satisfied Customers 20+ yrs. The water pump is the heart of the cooling system in Grand Caravan responsible for pumping coolant throughout the system and cooling the engine. 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. ZIP: #1 Paul Reputation 2,020 #2 tenspeed Reputation 1,510 #3 Dan Ritz Reputation 1,480 Caravan fan and ac not working 1 Answer. Cabin air filter captures most of the dirt or other airborne particles, but some escape and fall on to the evaporator. This gives you a fresh start for the winter, improves defroster performance, and reduces chances of mold or mildew growth. A worn out or weakened blower motor can also produce abnormal sounds when in operation. 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. First You will need to start the van and make sure the mode in the vehicle is set to panel. A maximum of the metal pipes can be rinsed here. This hinders the condensers ability to release heat as less air passes through the mesh, which results in poor cooling in the interior. QuiteAlright is not responsible or liable for any loss damage (including, but not limited to, actual, consequential, or punitive), liability, claim, or any other injury or cause related to or resulting from any information posted in this video. Copyright 2023 Leaf Group Ltd. / Leaf Group Media, Auto User Manual: Dodge Caravan Owner's Manual. You need a pro that specializes in AC systems to troubleshoot what the issues are. 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. Dirty evaporator can cause weak airflow and reduce the heating performance in Grand Caravan. 10 offers from $23.29. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling and air flow. Rear controls stuck and blowing high heat no matter what happens in other zones. Instead of changing the cabin air filter in Grand Caravan, it is often recommended to first clean the filter. 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. Tried all combinations of power on, rotating the know etc. 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. There are many reasons why the heater in your Dodge Grand Caravan is not working properly. 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. There is only one compressor so the freon must travel to the rear evaporator. 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 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. 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. Its purpose is to seal the combustion gases within the cylinders and to avoid coolant or engine oil leaking into the cylinders. Leak discovered. Insufficient amount of refrigerant is still the main cause of a non-functioning AC system. If one is hot and the other is cold, you have a plugged heater core. I have a 2005 . CarGurus has 52 nationwide Caravan listings starting at $3,499 . Therefore, the filter performance will not increase significantly even after cleaning. However, the high-pressure refrigerant pulls these chips back with it during operation and the next damage is inevitable. No luck. Step 3 Locate the three leftmost buttons in the AC controls. Press and hold the top one and bottom one. The vehicle replaced a 2013 Chevrolet Equinox. No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. The design of the heater core is similar to the radiator, it has narrow internal channels through which hot coolant flows. Therefore it is recommended to do this at a workshop. Step 2 Turn the Mode Control dial to "Panel." This setting only directs air to your face and upper body and not your feet. My rear a/c is not working in my 2008 town and country, blowers work fine but only blow warm air. The refrigerant pressure is affected by the outside atmospheric temperature. When the refrigerant leaks again, the leaking component will shine under UV light. Switch the Mode Control knob to "Panel." This setting only guides air to your face and upper body, not your legs. Thanks This setting only guides air to your face and upper body, not your legs. 3. 2019. If the condenser is dirty on your Grand Caravan, the simplest solution is to clean 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. Ask your Dodge dealer. Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. Insert the key into the ignition and turn to the "On" position. It is also cryogenic and can cause severe frostbite when it comes in contact with the skin. I have air in front of the van but my back is only blowing out hot air. 166. There are many reasons why air conditioning may not be working properly on your Dodge Grand Caravan. The hot coolant is pumped through the heater core located behind the dashboard. 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. Don't worry, you can still start your vehicle - the battery is only used to send the signal for locking/unlocking. 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. In the event of a defect, the mechanic can directly initiate the repair. 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. A clogged or leaking condenser can also be the reason for air-conditioning not working properly on your Grand Caravan. There are two ports in the air conditioning system of Grand Caravan. If the condenser is dirty on your Grand Caravan, the simplest solution is to clean it. Anytime there is a problem with the temperature of the air conditioning system, it could be a problem with the blend door actuator. 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. 2019 Dodge Grand Caravan 35 Anniversary Model. Note: Dirty cabin air filter mostly only leads to reduced cooling. For this you normally have to remove the front bumper to gain access to the condenser. There is only one small cable running to the blower fan which transmits the electricity. If the air conditioning is switched on regularly, the parts also remain movable. Due to the complexity of the replacement job, it is not recommended as a DIY project. Since the two heat exchangers (condenser and evaporator) are designed in cross-flow design, the detergent finds the path with the least resistance and leaves the chips behind. The front air con works greatany ideas would could be the problem and how to fix it! Blower not working, no air condition or heat? The rear works fine, AC cycles on fine, but no matter what I can't get any air to come out of the front. 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. Happened on the 2008 Dodge I drive for the company. 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. 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. Show more. 7.5 pretty bad Typical Repair Cost: $1,500 Average Mileage: 43,900 miles Total Complaints: 4. Vehicle History's team of automotive experts brings you the most accurate and up-to-date used car information. 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 dryer is often overlooked. 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. 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.
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