does not research or authenticate any of the Answers provided. Show more. In rare cases, a fault in the climate control unit can cause the AC to stop cooling. I have a 2005 . Since the heating system in Grand Caravan relies on the hot coolant from the engine to heat the interior, the heater will blow cold air until the engine reaches its normal operating temperature. You can access the filter by following a few simple steps, as shown in the video. 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. Next You will need to press the highest and lowest buttons on the AC control panel until the AC light begins to flash. The pollen filter, also known as the cabin filter or microfilter, is a central component of the ventilation system in your Dodge Grand Caravan. 92492 20+ yrs. Thanks Just like with low refrigerant, the AC in Grand Caravan will blow warm air only if the AC system is overcharged with refrigerant. Clearing the air from the heater core will not help until the head gasket has been replaced. Dodge Grand Caravan. Warning: Wear gloves and safety glasses before recharging the AC to avoid accidental exposure to harmful chemicals in the refrigerant. Vehicle History's team of automotive experts brings you the most accurate and up-to-date used car information. The air conditioning is a blessing, especially in hot temperatures. If the pressure is higher than the recommended pressure, let some refrigerant out preferably into a rag to avoid exposure. 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 any case, it is advisable for laypersons to visit a workshop. 2000 Grand Caravan - drivers side heat not working - Passenger and rear are fine 2 Answers. Once the leak has been found, this must be closed again by replacing the respective component. If the fuse is blown, replace it with a new one with the specified amp rating. Check the system pressure. Therefore, the filter performance will not increase significantly even after cleaning. The wiring harness itself can go bad. This setting only directs air to your face and upper body and not your feet. 37 % of the time it's the. Cleaning the evaporator in Grand Caravan is not a simple task. Place the key into the ignition and switch it to the "On" position. Resetting the system is something You can do from home but it takes a few steps. You just have to locate the coolant overflow reservoir and inspect the level of coolant in it. 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Due to the complexity of the replacement job, it is not recommended as a DIY project. Remove the blower fan in a Dodge Caravan by first disconnecting the battery, then waiting two minutes to disable the airbags. The Fora platform includes forum software by XenForo. Step 3 Locate the three leftmost buttons in the AC controls. 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. 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. by Ed Ruelas on January 04, 2016 Heating AC Inspection Cost Service Location SELECT YOUR VEHICLE $94.99 - $114.99 Price range for all vehicles ( 68) Locate the three leftmost buttons in the AC controls. 0%. 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. The most common causes for blower motor not working in Dodge Grand Caravan are blown fuse, bad relay, resistor or control module malfunction, and faulty blower motor. 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. A clogged or leaking condenser can also be the reason for air-conditioning not working properly on your Grand Caravan. 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 If you have front AC that is working fine then the rear should also work if the blower is working. Rear controls stuck and blowing high heat no matter what happens in other zones. 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. There is no prescribed time for changing cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. If the condenser is dirty on your Grand Caravan, the simplest solution is to clean it. Due to the complexity of the replacement job, it is not recommended as a DIY project. The only thing that helps is swapping with a new one. Low coolant level or air in the cooling system can cause the heater to stop working properly in Grand Caravan. Eric is online now Continue Related Dodge Questions My Dodge grand Caravan rear AC is blowing hot air while my There are flush kits available in the market that can help you do the job yourself. Check all front HVAC fuses and relays M11 and J15 I believe, all good. If the liquid changes color, then there is a leak in head gasket. So, all of them must be inspected when diagnosing poor airflow. 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. If your Grand Caravan is losing coolant, that means there is a leak somewhere or it is getting burned up inside the engine. There are many reasons why the heater in your Dodge Grand Caravan is not working properly. 2023 Vehicle History Inc. All Rights Reserved. There are many reasons why air conditioning may not be working properly on your Dodge Grand Caravan. . No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. 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 best fix is to replace the rear evaporator and hope it goes more than 2 years before the problem happens again. If there is a problem with the temperature of the air conditioning system, it could be due to a bad blend door actuator. 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. I have a 2005 . Step 1 Start the Dodge Caravan. When looking for the reason, you should always start with the most obvious cause, insufficient amount of refrigerant. An overcharged system not only affects cooling performance but can also damage the compressor and sometimes can cause a major leak. Before you consider replacing the heater core in your Grand Caravan, it is recommended to flush the existing heater core. 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. If the refrigerant level goes down again quickly, it means there is probably a leak. A bad water pump will not only cause poor heating, but can also result in engine damage due to overheating. 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. The front air con works greatany ideas would could be the problem 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. The manufacturer was not notified of the failure. 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. 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. 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. experience as repair shop manager and technician. 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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. In this way, it can be determined whether the loss of refrigerant is due to a defective condenser. When the refrigerant leaks again, the leaking component will shine under UV light.

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