Finding these mostly very small leaks is often not easy. Doing a DIY diesel swap? 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. dash and headlights RESET PROCEDURE With the ignition off, press the TRIP and RESET buttons at the same time you turn on the ignition. Inspect the cabin air filter (if equipped) to verify that it is not clogged. Step 1 Start the Dodge Caravan. 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. No luck. RB The Mechanic assumes no liability for property damages or injury incurred as a result of any of the information contained in this video. If fans arent coming on, you should have engine overheating issues. Next You will need to press the highest and lowest buttons on the AC control panel until the AC light begins to flash. I have air in front of the van but my back is only blowing out hot air. fan is running and no air is moving. A maximum of the metal pipes can be rinsed here. If the refrigerant level goes down again quickly, it means there is probably a leak. HOLD the buttons for 10 sec and the instrument cluster will go into a diagnostic sequence. 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 hinders the condensers ability to release heat as less air passes through the mesh, which results in poor cooling in the interior. 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. Hope this helps. Grand Caravan Blacktop Package 3.6L. 2023 Vehicle History Inc. All Rights Reserved. In case of severe contamination, multiple components may have to be replaced, including the condenser, the evaporator and the compressor. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling, heating and air flow. If the coolant level is low, open the cap and pour some coolant into the tank until it is between minimum and maximum mark. 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. Once again I don't have rear climate controls in this van. If the condenser is dirty on your Grand Caravan, the simplest solution is to clean it. ZIP: #1 Paul Reputation 2,020 #2 tenspeed Reputation 1,510 #3 Dan Ritz Reputation 1,480 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. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced heating and airflow. 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 best fix is to replace the rear evaporator and hope it goes more than 2 years before the problem happens again. experience as repair shop manager and technician. 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. 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. Clogged heater core is one of the leading causes of heating not working in Dodge Grand Caravan. For a better experience, please enable JavaScript in your browser before proceeding. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling and air flow. 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. The design of the heater core is similar to the radiator, it has narrow internal channels through which hot coolant flows. Therefore, the filter performance will not increase significantly even after cleaning. Leaks in the head gasket can cause all sorts of problems in your Grand Caravan including poor heater performance. 5th Generation Chrysler Minivans: 2008-2020, 4th Generation Chrysler Minivans: 2001-2007, 3rd Generation Chrysler Minivans: 1996-2000, 2nd Generation Chrysler Minivans: 1991-1995. Bought brand new in March 2012. After cleaning, reconnect the terminals. 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. There are 2 separate evaporators but only one compressor. If found dirty, clean it using a brush. Show more. #1. The vehicle has an air conditioning system (AC) to cool passengers during warm weather and hot drives. Rear controls stuck and blowing high heat no matter what happens in other zones. One is labelled H for high-pressure and the other one is labelled L for low-pressure. The vehicle replaced a 2013 Chevrolet Equinox. Both of these are at risk of clogging due to contamination, for example due to metal shavings from a failing compressor. The water pump is the heart of the cooling system in Grand Caravan responsible for pumping coolant throughout the system and cooling the engine. 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 consists of moving parts that convert what is actually a gaseous coolant into liquid this is how your vehicle is cooled. Leak discovered. 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 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. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. In any case, it is advisable for laypersons to visit a workshop. Vehicle History's team of automotive experts brings you the most accurate and up-to-date used car information. 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. Note: Dirty cabin air filter mostly only leads to reduced cooling. My rear a/c is not working in my 2008 town and country, blowers work fine but only blow warm air. 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. 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. "AC unit" - what does that mean? You dont have to remove the heater core in your Grand Caravan to check if it is clogged. Initially thought to replace the entire system, but figured it would be cheaper to replace the valve, clean the rear evaporator and replace the dryer. 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. 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. 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. Its purpose is to seal the combustion gases within the cylinders and to avoid coolant or engine oil leaking into the cylinders. This vehicle was purchased in July 2014 and as of July 2015, the REAR Air Conditioning unit has stopped working. 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. If the condenser is dirty on your Grand Caravan, the simplest solution is to clean it. 2016 Dodge Grand Caravan This problem may be covered under warranty. 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. But if the weather is too cold, the engine may never reach its optimal operating temperature with a stuck open thermostat. So, all of them must be inspected when diagnosing poor airflow. The result is a defective compressor that can no longer be repaired. Once you start the car back up the A/C will still be off. Over time, the heater core can begin to rust or mineral deposits can form in these channels, blocking the flow of the coolant. The compressor is the heart of the air conditioning system in Dodge Grand Caravan. The vehicle was not repaired. In that case driving at high speed should blow some cold air from the AC. If there is a problem with the temperature of the air conditioning system, it could be due to a bad blend door actuator. Before you consider replacing the heater core in your Grand Caravan, it is recommended to flush the existing heater core. It is now 90+ degrees where we live with high humidity. Feel both the rubber lines going in and out of the heater core after the engine has warmed up. ! She currently resides in South Florida. Therefore it is important to diagnose a failing water pump at early stages to avoid expensive repairs later on. Two compressors for a rear air problem? The wiring harness itself can go bad. 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 . When you start your Grand Caravan when the engine is cold, the thermostat cuts off flow of coolant through the radiator in order to quickly reach the optimal engine operating temperature. 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. Insufficient lubricant: The compressor in Grand Caravan needs lubrication to function properly and minimize mechanical wear by reducing friction. 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. Over time, these dust particles can builds up on the fins and block the air flow through the evaporator, resulting in poor cooling. Grand Caravan SXT 3.6L V6. Did you ever fix it my van has the same problem but all my blend doors ect.. Turn on the AC and set it to the coldest setting, and the fan speed to maximum. This mode is useful for clearing fog from the windows. Anytime there is a problem with the temperature of the air conditioning system, it could be a problem with the blend door actuator. 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. 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 AC will start to calibrate and reset. The most common reasons a Dodge Caravan ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. A knocking noise from behind the dashboard could be an indicator of a bad blend door actuator in your Grand Caravan. 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. Home Troubleshooting Dodge Grand Caravan heater not working causes and diagnosis. Since the heater core is usually slightly higher, the air will accumulate in there first. The top button controls the rear wiper on constant and the bottom button controls the rear wiper washer fluid. A knocking noise could be another indicator of a bad blend door actuator on your Grand Caravan, although its quite rare. A worn out or weakened blower motor can also produce abnormal sounds when in operation. In any case, it is advisable for laypersons to visit a workshop. Low coolant level or air in the heater core can sometimes cause sloshing sound from behind the dashboard when the engine is running. Therefore, the filter performance will not increase significantly even after cleaning. It is generally recommended to replace the cabin air filter every year at the start of the winter season. The air conditioning is a blessing, especially in hot temperatures. Insert the key into the ignition and turn to the "On" position. Wisconsin certified. Find a better mechanic. When the heater is turned on and the AC turned off, the compressor does not turn on and the evaporator is not cooled. Remove the blower motor, typically located under the passenger side dashboard, and inspect the condition of the cage. The most common causes for AC blowing hot air in Dodge Grand Caravan are low or overcharged refrigerant, compressor malfunction, dirty condenser or evaporator coils, faulty blend door actuator, defective evaporator temperature sensor, bad AC pressure sensor, and bad fuse or relay. Dodge Grand Caravan Sport: 2003 Grand Caravan Sport 3.8l 128000km 2003 Grand Caravan Sport 3.8l 128000km with front- and rear-AC system. Keep in mind that the front AC will not cool the van as good as having a twin system. Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. An overcharged system not only affects cooling performance but can also damage the compressor and sometimes can cause a major leak. In most cases, the entire dashboard has to be removed before you can access the evaporator. In addition to the normal loss, component defects are usually responsible for the escape of the refrigerant gas on Dodge Grand Caravan. front air stop blowing. Aug 25, 2008 2003 Dodge Caravan helpful Flashing lights! Therefore, it is recommended to do this in a workshop. VehicleHistory.com 37 % of the time it's the. There can also be a refrigerant leak in the evaporator, in that case the evaporator will have to be replaced. 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. Grand Caravan Crew 3.6L V6 Automatic transmission 46,300 miles AC stopped blowing cold. I have a 1994 Dodge Caravan with 130,000 miles on it. Heat and air works great but if you say, switch to floor then it willbe floor and face. In rare cases, a fault in the climate control unit can cause the heater to stop functioning. Check all the relevant fuses and relays related to the air-conditioning system in your Grand Caravan. JavaScript is disabled. You just have to locate the coolant overflow reservoir and inspect the level of coolant in it. There is only one compressor so the freon must travel to the rear evaporator. 10 offers from $23.29. Just have it refilled and you can drive with pleasant temperatures again. 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. The pollen filter, also known as the cabin filter or microfilter, is a central component of the ventilation system in your Dodge Grand Caravan. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. Home Troubleshooting Dodge Grand Caravan AC not working causes and how to fix it. If you only install a new compressor here, another failure is inevitable, as the chips immediately destroy the new component. ChryslerMinivan.net is the best forum for Chrysler Town and Country owners to discuss mileage, price, problems, towing and more. 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 !! Sometimes changing the temperature can temporarily stop the sound. The rear HVAC housing has electric stepper motors driving the temperature blend door (cool/warm) and the air mode door (side/headliner vents). This would require a scan tool to confirm correct operation. This information is typically located under the hood and/or in the owners manual. First You will need to start the van and make sure the mode in the vehicle is set to panel. 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. 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. In the AC settings, find the three leftmost buttons. Really? Check fan relay. Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. stop for 20 minutes and it work for 1 hour then quit. Just have it refilled and you can drive with pleasant temperatures again. You must start the Dodge Caravan to reset the Dodge Caravan climate control.
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