If there is a problem with the temperature of the air conditioning system, it could be due to a bad blend door actuator. 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. 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. If your Grand Caravan has push start/stop button, then its possible that your vehicle may not start due to weak key fob battery. Grand Caravan SXT 3.6L V6. Caravan fan and ac not working 1 Answer. I have a 1994 Dodge Caravan with 130,000 miles on it. If you dont have the system serviced for a long time on your Grand Caravan, the refrigerant level will eventually get so low that the system loses its cooling capacity. Press and hold the top one and bottom one. This can happen due to a leak or if the AC has not been recharged for a long time. Sometimes when a thermostat goes bad, it stays stuck open. HOLD the buttons for 10 sec and the instrument cluster will go into a diagnostic sequence. There is no fixed time for replacing the cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. 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. Mechanic refilled with Freon to include dye so that he could detect a leak. 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. 2023 Vehicle History Inc. All Rights Reserved. The minivan was first manufactured in 1983 and remains in production as of 2011. She currently resides in South Florida. Dodge Caravan AC Is Not Working - RepairPal.com But if the weather is too cold, the engine may never reach its optimal operating temperature with a stuck open thermostat. 2000 Grand Caravan - drivers side heat not working - Passenger and rear are fine 2 Answers. Dirty evaporator can also significantly reduce AC cooling performance in Grand Caravan. 2008: Complicated rear blower problem. 2008 Grand Caravan. - JustAnswer 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. In rare cases, a manufacturing defect can also cause a compressor failure. Over time, these dust particles can builds up on the fins and block the air flow through the evaporator, resulting in poor cooling. The failure mileage was 125,393. 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. It is a well known problem and any Caravan I have every seen has had this problem. If you dont service the AC system in your Grand Caravan for a long time, the refrigerant level will eventually get so low that the system loses its cooling capacity. HVAC with 3 zone controls. 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. The block off kit can be found here: www.streetrodguys.com Copyright 2023 Leaf Group Ltd. / Leaf Group Media, Auto User Manual: Dodge Caravan Owner's Manual. If one is hot and the other is cold, you have a plugged heater core. Larger leaks may already be heard or you can find them with a leak detection spray. 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 . That means every time you start the van, climate controls go through self adjustment and check every blend door actuator and blend door. Join now! 10 offers from $23.29. 3. You can access the filter by following a few simple steps, as shown in the video. You dont have to remove the heater core in your Grand Caravan to check if it is clogged. This hinders the condensers ability to release heat as less air passes through the mesh, which results in poor cooling in the cabin. 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. 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. 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. A broken compressor is usually irreparable. Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. Remove the blower fan in a Dodge Caravan by first disconnecting the battery, then waiting two minutes to disable the airbags. 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. Rear blower will not turn on. 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. Dodge Caravan Questions - Rear A/C Problems - CarGurus In addition to the normal loss, component defects are usually responsible for the escape of the refrigerant gas on Dodge Grand Caravan. In any case, it is advisable for laypersons to visit a workshop. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. Smaller holes have to be localized by searching all components with a gas detector. tried different settings, defrost, floor and turn the heat on. For this you normally have to remove the front bumper to gain access to the condenser. If only hot air comes out of the air vents in your Grand Caravan, then the problem probably lies somewhere else. BK14055 Rear A/C Block Off Kit, Air Conditioning - Amazon 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 heater in Dodge Grand Caravan ensures comfortable temperature in the passenger compartment when the weather is chilly. The top button controls the rear wiper on constant and the bottom button controls the rear wiper washer fluid. 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. 2016 Dodge Grand Caravan This problem may be covered under warranty. There are 2 separate evaporators but only one compressor. This gives you a fresh start for the winter, improves defroster performance, and reduces chances of mold or mildew growth. Dodge Grand Caravan AC Is Not Working - RepairPal.com Feel both the rubber lines going in and out of the heater core after the engine has warmed up. The wiring harness itself can go bad. All do-it-yourself projects entail some risk. Jul 13, 2012. The vehicle was not repaired. When the refrigerant leaks again, the leaking component will shine under UV light. 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. Eric, Automotive Repair Shop. Since then, she has launched several startups including a t-shirt business, an online marketing and advertising t-shirt distribution business, and an entertainment site. Place the key into the ignition and switch it to the "On" position. The pressure values based on ambient temperatures differ depending on the type of the refrigerant. As soon as the light starts to flash release the two buttons and the system will reset. To complete the reset, press the top button. There are many reasons why the heater in your Dodge Grand Caravan is not working properly. Check the system pressure. No luck. Seem to be moving and so forth. 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. FAILING. This information is typically located under the hood and/or in the owners manual. Press the top button to complete the reset. This would require a scan tool to confirm correct operation. Doing a DIY diesel swap? 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. 0%. The sound will be most prominent for a few seconds when you turn on the air conditioning or adjust the temperature. Turn the Mode Control dial to "Panel." You just have to locate the coolant overflow reservoir and inspect the level of coolant in it. This setting only directs air to your face and upper body and not your feet. If this is the case, the only option is to replace the broken part. One is labelled H for high-pressure and the other one is labelled L for low-pressure. 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 many reasons why air conditioning may not be working properly on your Dodge Grand Caravan. Chrysler Town & Country or Dodge Caravan Rear Air Conditioning Repair Step 2 Turn the Mode Control dial to "Panel." This setting only directs air to your face and upper body and not your feet. Specifically replace the condenser, evacuated, and recharge the AC system with R134 refrigerant on a 2002 Dodge Caravan minivan. 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 Fora platform includes forum software by XenForo. Low coolant level or air in the heater core can sometimes cause sloshing sound from behind the dashboard when the engine is running. 3.8 out of 5 stars. The manufacturer was not notified of the failure. The inside of the vehicle is developing a bad moldy smell. To begin troubleshooting, you must first connect the diagnostic tool to your Grand Caravan. could the drain be plug and the evaporator is freezing up? Tried all combinations of power on, rotating the know etc. 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. It's an obvious rear mode door or switchology problem as stated. Check which type of refrigerant your vehicle uses. This can have different causes. It is generally recommended to replace the cabin air filter every year at the start of the winter season. ANSWERED: Ac not working on passenger side (Dodge Grand Caravan 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? Did you ever fix it my van has the same problem but all my blend doors ect.. Maybe only the condenser side fan is not working. Insufficient lubricant: The compressor in Grand Caravan needs lubrication to function properly and minimize mechanical wear by reducing friction. There are several causes for AC not blowing cold air in Grand Caravan, which we will go through in this article. Dodge Grand Caravan AC not cooling - causes and diagnosis - WheelsJoint.com This is . Eric is online now Continue Related Dodge Questions My Dodge grand Caravan rear AC is blowing hot air while my 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. 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. Excessive oil can also reduce the performance of the compressor and can cause it to fail prematurely. Tried the above reset, didn't work. Instead of changing the cabin air filter in Grand Caravan, it is often recommended to first clean the filter. For a better experience, please enable JavaScript in your browser before proceeding. There is no prescribed time for changing cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. My 2003 Dodge Grand caravan blows hot air and my friends that was looking under the hood said that the fans arent coming on, not sure what fans but what do I do. Anytime there is a problem with the temperature of the air conditioning system, it could be a problem with the blend door actuator. The best fix is to replace the rear evaporator and hope it goes more than 2 years before the problem happens again. Home Troubleshooting Dodge Grand Caravan heater not working causes and diagnosis. Locate two rubber hoses that connect to the heater core through the firewall area. Aug 25, 2008 2003 Dodge Caravan helpful Flashing lights! Recirculate air function not working | Dodge Charger Forum Another patient said the AC is just blowing warm air. You cannot repair a broken blower motor, the part must be replaced with a new one. 2008 GC SXT rear AC not working | Allpar Forums By filling and properly bleeding the system the heat should come back. 2012 Dodge Grand Caravan Heater Not Working Properly After cleaning, reconnect the terminals. If you turn it to heat, does the air get hotter? Release the buttons once you see the light flash. about the air conditioner on a new caravan | Allpar Forums 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. 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. The sound will be most prominent for a few seconds when you turn on the air conditioning or adjust the temperature. In this video we show you How To Repair a Dodge Caravan Air Conditioning System. There is only one compressor so the freon must travel to the rear evaporator. There is no prescribed time for changing cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. When looking for the reason, you should always start with the most obvious cause, insufficient amount of refrigerant. Unless the wiring issue is fixed, the fuse will blow again. Over time, grime, bugs and other small particles can build up on its surface and in the gaps of its mesh. Wisconsin certified. 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. You dont have to go to a workshop to check for a leaking head gasket 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. However, if you dont turn on the air conditioning on your Grand Caravan for a long time, the parts will stick. Rear AC Block Kit Ford E-Series Van. There are many reasons why your Dodge Grand Caravan AC is not cooling properly. When the heater is turned on and the AC turned off, the compressor does not turn on and the evaporator is not cooled. A professional mechanic can swiftly diagnose the heating issue for you. The procedure, commonly called calibration, initiates the self diagnostic test and system reset for the vehicle's air conditioning. 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. Dirty evaporator can cause weak airflow and reduce the heating performance in Grand Caravan. 1. 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. My Dodge grand Caravan rear AC is blowing hot air while my If the condenser is dirty on your Grand Caravan, the simplest solution is to clean it. In rare cases, a fault in the climate control unit can cause the heater to stop functioning. If the refrigerant level goes down again quickly, it means there is probably a leak. Keep in mind that the front AC will not cool the van as good as having a twin system. Start by inspecting the condition of the cabin air filter on your Grand Caravan. 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. The compressor is the heart of the air conditioning system in Dodge Grand Caravan. Checking coolant level in Grand Caravan is a fairly some job. The sound is most prominent right after you start the vehicle. How do i reset the climate control Dodge Caravan? - VehicleHistory In most cases, the entire dashboard has to be removed before you can access the evaporator. This is an illustration of the normal repair that we see in the shop. 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. The OBDII connector is usually located under the dashboard. It consists of moving parts that convert what is actually a gaseous coolant into liquid this is how your vehicle is cooled. 37 % of the time it's the. If Your climate control is not working properly in Your Dodge Caravan then You may want to reset it. Due to factors beyond the control of RB The Mechanic, it cannot guarantee against unauthorized modifications of this information. Inspect the cabin air filter (if equipped) to verify that it is not clogged. 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 When a blower motor goes bad, it usually makes unusual noises when in operation, and the passengers may feel reduced air flow from the AC vents. Air should blow out of the vents at different intervals during the reset. 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.