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 There are several causes for AC not blowing cold air in Grand Caravan, which we will go through in this article. There is only one compressor so the freon must travel to the rear evaporator. Air Conditioner Problems of Dodge Grand Caravan Check all front HVAC fuses and relays M11 and J15 I believe, all good. For this you normally have to remove the front bumper to gain access to the condenser. No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Its purpose is to seal the combustion gases within the cylinders and to avoid coolant or engine oil leaking into the cylinders. To begin troubleshooting, you must first connect the diagnostic tool to your Grand Caravan. 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. Dodge Grand Caravan - REAR DEFROSTER BLINKING? NO HEAT OR A/C? 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. The system is filled with forming gas (nitrogen with a little hydrogen) in the workshop. Bought brand new in March 2012. 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. 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. It is a well known problem and any Caravan I have every seen has had this problem. Check the owners manual of your vehicle or the fuse box cover to find the exact location of the AC fuses. Over time, these dust particles can builds up on the fins and block the air flow through the evaporator, resulting in poor cooling. 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. Finding these mostly very small leaks is often not easy. If one is hot and the other is cold, you have a plugged heater core. If the blend door actuator fails to fully open the blend door towards the heater core, it will result in poor heating performance. Press the top button to complete the reset. 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 . The rear works fine, AC cycles on fine, but no matter what I can't get any air to come out of the front. Another patient said the AC is just blowing warm air. Its possible the fan is dead, and you may have to replace it. Dodge Caravan - Looking for a Used Caravan in your area? Once you start the car back up the A/C will still be off. It also puts unnecessary strain on the entire AC system which negatively impacts the fuel consumption. The head gasket is responsible for providing the seal between the engine block and cylinder heads. Dodge Caravan: Heater Not Working Diagnosis | Drivetrain Resource The AC light should illuminate and then flash. It is generally recommended to replace the cabin air filter every year at the start of the winter season. JavaScript is disabled. 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. Over time dust can accumulate on the fins and reduce the air flow, which reduces cooling performance. Thanks If it is blown, replacing the fuse will only solve the problem for a very limited period of time. Leak was due. Dodge Grand Caravan AC blowing hot air - causes and how to fix it Home Troubleshooting Dodge Grand Caravan heater not working causes and diagnosis. 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. Happened on the 2008 Dodge I drive for the company. 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. Larger leaks may already be heard or you can find them with a leak detection spray. The air flow from the vents is choppy and not smooth. The rear HVAC housing has electric stepper motors driving the temperature blend door (cool/warm) and the air mode door (side/headliner vents). 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. Before you consider replacing the heater core in your Grand Caravan, it is recommended to flush the existing heater core. Dodge Grand Caravan Sport: 2003 Grand Caravan Sport 3.8l 128000km 2003 Grand Caravan Sport 3.8l 128000km with front- and rear-AC system. Once the leak has been found, this must be closed again by replacing the respective component. No luck. Check which type of refrigerant your vehicle uses. The two systems are joined, so if for example you lose freon, you will lose AC in the front and rear. There are flush kits available in the market that can help you do the job yourself. 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 bad water pump will not only cause poor heating, but can also result in engine damage due to overheating. 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. 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. 92492 20+ yrs. Happened on the 2008 Dodge I drive for the company. Blend door actuator plays a role in controlling the air flow and temperature inside your Grand Caravan. FAILING. Therefore it is recommended to do this at a workshop. 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? BK14055 Rear A/C Block Off Kit, Air Conditioning - Amazon 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. The OBDII connector is usually located under the dashboard. 2016 Dodge Grand Caravan A/C Does Not Perform Well In this video we show you How To Repair a Dodge Caravan Air Conditioning System. 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. Rear a/c blows hot front blows cold? - Fixya 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. Bad Thermostat The job of your Caravan's thermostat is to regulate the temperature of the engine. 37 % of the time it's the. 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. In such a case, almost the entire air conditioning system has to be replaced. Therefore, the filter performance will not increase significantly even after cleaning. HOLD the buttons for 10 sec and the instrument cluster will go into a diagnostic sequence. The rear a/c works very, very well and they are very pleased with the a/c system. A blown head gasket can cause the exhaust gases from the engine to enter the cooling system and plug the heater core. Keep in mind that the front AC will not cool the van as good as having a twin system. The first thing that you would want to do is locate the fuse for your Caravan's radiator fan and make sure that it hasn't blown. In case of severe contamination, multiple components may have to be replaced, including the condenser, the evaporator and the compressor. . rear AC, grand caravan | AnandTech Forums: Technology, Hardware However, if you turn the A/C completely Off, turn the ignition system off. 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. Keep in mind, an AC compressor can fail without any apparent cause, especially in older vehicles or in vehicles that have racked up too many miles. Jun 14, 2017. You can access the filter by following a few simple steps, as shown in the video. You dont necessarily have to visit a workshop to clean or replace the pollen filter on your Grand Caravan. If the compressor fails, the AC will only blow warm air. The Dodge Caravan AC is known for one thing.. 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. Turn on the AC and set it to the coldest setting, and the fan speed to maximum. Caravan fan and ac not working 1 Answer. The Fora platform includes forum software by XenForo. 2014 Grand Caravan front blower doesn't work, rear 2000 Grand Caravan - drivers side heat not working - Passenger and rear are fine 2 Answers. You dont have to go to a workshop to check for a leaking head gasket in your Grand Caravan. If it stops permanently I'll pull the carpeted cover under the glove box and see if I can pull, clean, and lube the actuator. 18,300 miles.
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