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. In addition to the vehicle make, model, and engine type, you usually also have to type in the Vehicle Identification Number (VIN). It also puts unnecessary strain on the entire AC system which negatively impacts the fuel consumption. You just have to locate the coolant overflow reservoir and inspect the level of coolant in it. 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. 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 !! With the tool connected, turn on the ignition. It is a filter! Eric is online now Continue Related Dodge Questions My Dodge grand Caravan rear AC is blowing hot air while my I have a 2005 . Just have it refilled and you can drive with pleasant temperatures again. Check all the relevant fuses and relays related to the air-conditioning system in your Grand Caravan. Blower not working, no air condition or heat? You can use power washer for cleaning, but make sure that its at low pressure setting, as high pressure can easily damage the delicate fins on the condenser. However, the high-pressure refrigerant pulls these chips back with it during operation and the next damage is inevitable. Locate two rubber hoses that connect to the heater core through the firewall area. Air should blow out of the vents at different intervals during the reset. Place the key into the ignition and switch it to the "On" position. Find a better mechanic. 3.8 out of 5 stars. 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. Wisconsin certified. The Fora platform includes forum software by XenForo. Hope this helps. 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. 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 block off kit can be found here: www.streetrodguys.com Keep in mind that the front AC will not cool the van as good as having a twin system. 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 one is hot and the other is cold, you have a plugged heater core. Grand Caravan SXT 3.6L V6. Over time, the heater core can begin to rust or mineral deposits can form in these channels, blocking the flow of the coolant. nothing. Its purpose is to seal the combustion gases within the cylinders and to avoid coolant or engine oil leaking into the cylinders. Another patient said the AC is just blowing warm air. So, all of them must be inspected when diagnosing poor airflow. 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 hot coolant is pumped through the heater core located behind the dashboard. Your air conditioning system no longer cools properly? In the AC settings, find the three leftmost buttons. 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. Seem to be moving and so forth. Jun 14, 2017. Dirty evaporator can cause weak airflow and reduce the heating performance in Grand Caravan. ( 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. The dryer is often overlooked. A clogged or leaking condenser can also be the reason for air-conditioning not working properly on your Grand Caravan. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 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. Sometimes changing the temperature can temporarily stop the sound. Blend door actuator plays a role in controlling the temperature inside your Grand Caravan. It is also cryogenic and can cause severe frostbite when it comes in contact with the skin. By filling and properly bleeding the system the heat should come back. 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. "AC unit" - what does that mean? It will be anywhere from $1000 tp $1500 to have a garage do the work. 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. 92492 20+ yrs. There is only one small cable running to the blower fan which transmits the electricity. A professional mechanic can swiftly diagnose the heating issue for you. There can also be a refrigerant leak in the evaporator, in that case the evaporator will have to be replaced. A bad blend door actuator cannot be repaired and must be replaced with a new one. As a rule, there is no avoiding a change if the filter is dirty. The water pump is the heart of the cooling system in Grand Caravan responsible for pumping coolant throughout the system and cooling the engine. 2016 Dodge Grand Caravan This problem may be covered under warranty. Ask your Dodge dealer. Grand Caravan Crew 3.6L V6 Automatic transmission 46,300 miles AC stopped blowing cold. Locate the three leftmost buttons in the AC controls. Leak was due. The design of the heater core is similar to the radiator, it has narrow internal channels through which hot coolant flows. Join now! The blower motor is the central component of the air conditioning system in Grand Caravan, responsible for blowing cold air through the AC vents. You can recharge your AC through the low-pressure port with a do it yourself AC recharge kit. Pulled the glovebox down and looked at the blower motor area for a baffle, didn't see one but got up under the glove box and banged on the bottom of the blower motor housing and the fan kicked on and has continued working. Remove the cap from the low pressure service port labelled L, and connect the AC recharge kit. 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. 166. Place the key into the ignition and switch it to the "On" position. To complete the reset, press the top button. No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. 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. In rare cases, a fault in the climate control unit can cause the heater to stop functioning. 2019. When the heater is turned on and the AC turned off, the compressor does not turn on and the evaporator is not cooled. dash and headlights RESET PROCEDURE With the ignition off, press the TRIP and RESET buttons at the same time you turn on the ignition. The vehicle has an air conditioning system (AC) to cool passengers during warm weather and hot drives. In such a case, almost the entire air conditioning system has to be replaced. The sound is something like a light tapping on the door and it happens when you turn on the air conditioning system or turn off the engine. When you press the AC button in heating mode, the compressor turns on and the evaporator cools and dries the air before it enters the heater core. If the coolant level is low, open the cap and pour some coolant into the tank until it is between minimum and maximum mark. Let us know what you find with this and we can go from there. Excessive oil can also reduce the performance of the compressor and can cause it to fail prematurely. 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. Amedee is online now Check all front HVAC fuses and relays M11 and J15 I believe, all good. The vehicle replaced a 2013 Chevrolet Equinox. Insufficient amount of refrigerant in the AC system is one of the leading causes of AC not blowing cold air in Grand Caravan. The procedure, commonly called calibration, initiates the self diagnostic test and system reset for the vehicle's air conditioning. Dirty cabin air filter is the leading cause of weak heater airflow in Dodge Grand Caravan. 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. What to do? After cleaning, reconnect the terminals. To improve heating efficiency, it is recommended to switch on air recirculation mode. If the blend door actuator fails to fully open the blend door towards the heater core, it will result in poor heating performance. The lights will turn off and when they come back on press the AC button when it is blinking and that will turn it back on. An overcharged system not only affects cooling performance but can also damage the compressor and sometimes can cause a major leak. Its possible the fan is dead, and you may have to replace it. This is . The rear a/c works very, very well and they are very pleased with the a/c system. 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. Below is a chart that will help with proper pressures. 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. Larger leaks may already be heard or you can find them with a leak detection spray. Insert the key into the ignition and turn to the "On" position. 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. All do-it-yourself projects entail some risk. If your Grand Caravan has push start/stop button, then its possible that your vehicle may not start due to weak key fob battery. Home Troubleshooting Dodge Grand Caravan heater not working causes and diagnosis. If you have front AC that is working fine then the rear should also work if the blower is working. 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. Flushing is done by pushing water through the outlet hose of the heater core and draining the gunk from the inlet hose. The heater in Dodge Grand Caravan ensures comfortable temperature in the passenger compartment when the weather is chilly. The refrigerant pressure is affected by the outside atmospheric temperature. 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. After two years, Braun left to pursue her entrepreneurial dreams. What these are and what you can do about it, we explain in this article. Leaks in the head gasket can cause all sorts of problems in your Grand Caravan including poor heater performance. However, if you turn the A/C completely Off, turn the ignition system off. The heating system in Grand Caravan uses hot coolant or antifreeze from the engine block to heat the interior of the vehicle. Do you still sweat while driving your Dodge Grand Caravan? If the fuse is blown, replace it with a new one with the specified amp rating. 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. Both of these are at risk of clogging due to contamination, for example due to metal shavings from a failing compressor. ZIP: #1 Paul Reputation 2,020 #2 tenspeed Reputation 1,510 #3 Dan Ritz Reputation 1,480 Thanks Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. #1. The AC light should illuminate and then flash. 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. It is the sole responsibility of the viewer to assume this risk. In any case, it is advisable for laypersons to visit a workshop. 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. 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. The sound will be most prominent for a few seconds when you turn on the air conditioning or adjust the temperature. A worn out or weakened blower motor can also produce abnormal sounds when in operation. If found dirty, clean it using a brush. This information is typically located under the hood and/or in the owners manual. 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. Turn on the AC and set it to the coldest setting, and the fan speed to maximum. 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. 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. A bad water pump will not only cause poor heating, but can also result in engine damage due to overheating. Home Troubleshooting Dodge Grand Caravan AC not cooling causes and diagnosis. 2019 Dodge Grand Caravan 35 Anniversary Model. VehicleHistory.com There are many reasons for poor heating performance in Grand Caravan, which are explained in this article. 1. Just like with low refrigerant, the AC in Grand Caravan will blow warm air only if the AC system is overcharged with refrigerant. FAILING. Weak key fob battery. Check your vehicles owners manual or look under the hood to find the type of the refrigerant your vehicle uses. Show more. As soon as the light starts to flash release the two buttons and the system will reset. Jul 13, 2012. 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. There is no prescribed time for changing cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. Rear controls stuck and blowing high heat no matter what happens in other zones. 5th Generation Chrysler Minivans: 2008-2020, 4th Generation Chrysler Minivans: 2001-2007, 3rd Generation Chrysler Minivans: 1996-2000, 2nd Generation Chrysler Minivans: 1991-1995. Cabin air filter captures most of the dirt or other airborne particles, but some escape and fall on to the evaporator. The blend door actuator may require recalibration after replacement. 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. Over time dust can accumulate on the fins and reduce the air flow, which reduces cooling performance. 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. 18,300 miles. The pressure values based on ambient temperatures differ depending on the type of the refrigerant. Therefore it is important to diagnose a failing water pump at early stages to avoid expensive repairs later on. 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. Insufficient amount of refrigerant is still the main cause of a non-functioning AC system. 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? What was replaced? There are 2 separate evaporators but only one compressor. Mine is 2011 and has turn knobs for fan & temp. JavaScript is disabled. The Town & Country and Grand Caravan mini vans are susceptible to rear A/C issues, especially in the rust belt. 3 offers from $32.73. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. 0%. 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 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 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.
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