Instead of changing the cabin air filter in Grand Caravan, it is often recommended to first clean the filter. For us shade tree mechanics and cheap people the best fix is to just block the rear ac off. 2008: Complicated rear blower problem. 2008 Grand Caravan. - JustAnswer There are two ports in the air conditioning system of Grand Caravan. If one is hot and the other is cold, you have a plugged heater core. 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 . Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. It also puts unnecessary strain on the entire AC system which negatively impacts the fuel consumption. 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. It is generally recommended to replace the cabin air filter every year at the start of the winter season. A professional mechanic can swiftly diagnose the poor AC cooling issue for you. Keep in mind that reduced airflow doesnt always indicate a problem with the blower motor, as it can also happen due to a clogged cabin air filter, dirty evaporator, or a bad mode door actuator. Dodge Grand Caravan AC not working - causes and how to fix it There can also be a refrigerant leak in the evaporator, in that case the evaporator will have to be replaced. When the heater is turned on and the AC turned off, the compressor does not turn on and the evaporator is not cooled. FAILING. The water pump is the heart of the cooling system in Grand Caravan responsible for pumping coolant throughout the system and cooling the engine. Instead of changing the cabin air filter in Grand Caravan, it is often recommended to first clean the filter. If the liquid changes color, then there is a leak in head gasket. The pollen filter, also known as the cabin air filter or microfilter, is responsible for filtering the air that the passengers breathe in the cabin. Keep in mind that the front AC will not cool the van as good as having a twin system. 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. Rear ac in Dodge Grand Caravan not blowing. 2019. 92492 - JustAnswer The heater may stop working in Dodge Grand Caravan due to low coolant level or air in the cooling system, clogged heater core, bad thermostat, faulty blend door actuator, bad water pump, dirty cabin air filter, bad blower motor, or HVAC control unit malfunction. It is a filter! Over time dust can accumulate on the fins and reduce the air flow, which reduces cooling performance. A low refrigerant level in your Grand Caravan does not necessarily mean there is a leak. It is a well known problem and any Caravan I have every seen has had this problem. 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 A common symptom of a faulty blend door actuator in vehicles with dual zone climate control system is one side blowing hot air while the other side is blowing cold air. Inspect the cabin air filter (if equipped) to verify that it is not clogged. Just have it refilled and you can drive with pleasant temperatures again. 5th Generation Chrysler Minivans: 2008-2020, 4th Generation Chrysler Minivans: 2001-2007, 3rd Generation Chrysler Minivans: 1996-2000, 2nd Generation Chrysler Minivans: 1991-1995. does not research or authenticate any of the Answers provided. 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. 2014 Grand Caravan front blower doesn't work, rear Find a better mechanic. Home Troubleshooting Dodge Grand Caravan heater not working causes and diagnosis. The heater in Dodge Grand Caravan ensures comfortable temperature in the passenger compartment when the weather is chilly. Note: Dirty cabin air filter mostly only leads to reduced cooling. 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. Dodge Grand Caravan Sport: 2003 Grand Caravan Sport 3.8l 128000km 2003 Grand Caravan Sport 3.8l 128000km with front- and rear-AC system. Remove the cap from the low pressure service port labelled L, and connect the AC recharge kit. 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. Water pumps usually last for more than 100,000 miles, but they can fail at any time. Why isn't the climate control in rear working? Vents, etc - CarGurus 18,300 miles. Finding these mostly very small leaks is often not easy. 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. Due to factors beyond the control of RB The Mechanic, it cannot guarantee against unauthorized modifications of this information. 37 % of the time it's the. 1. Did you ever come across a Problem like this? Did you ever fix it my van has the same problem but all my blend doors ect.. A broken compressor is usually irreparable. 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. The vehicle replaced a 2013 Chevrolet Equinox. BK14055 Rear A/C Block Off Kit, Air Conditioning - Amazon Your vehicle may also consume more fuel than normal. Instead of changing it directly, it is often recommended to first clean the pollen filter. Dodge Grand Caravan. Both should be hot. After cleaning, reconnect the terminals. Leak was due. 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. 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. Where are the 3 buttons to hold for reset? 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. 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. Really? A professional mechanic can swiftly diagnose the heating issue for you. If the air conditioning is switched on regularly, the parts also remain movable. There are several causes for AC not blowing cold air in Grand Caravan, which we will go through in this article. Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. If you have front AC that is working fine then the rear should also work if the blower is working. 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. 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. When looking for the reason, you should always start with the most obvious cause, low refrigerant level in the system. The Dodge Caravan is a minivan manufactured and sold by the Dodge division of the Chrysler Group. Dodge Caravan Questions - Rear A/C Problems - CarGurus This hinders the condensers ability to release heat as less air passes through the mesh, which results in poor cooling in the interior. The refrigerant pressure is affected by the outside atmospheric temperature. 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. Blend door actuator plays a role in controlling the temperature inside your Grand Caravan. If the compressor fails, the AC will only blow warm air. 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. Locate the three leftmost buttons in the AC controls. The Dodge Caravan AC is known for one thing.. 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. It will be anywhere from $1000 tp $1500 to have a garage do the work. It consists of moving parts that convert what is actually a gaseous coolant into liquid this is how your vehicle is cooled. In rare cases, a fault in the climate control unit can cause the heater to stop functioning. VehicleHistory.com dash and headlights RESET PROCEDURE With the ignition off, press the TRIP and RESET buttons at the same time you turn on the ignition. Weak key fob battery. 2019 Dodge Grand Caravan 35 Anniversary Model. This hinders the condensers ability to release heat as less air passes through the mesh, which results in poor cooling in the cabin. Rear a/c problems | The Chrysler Minivan Fan Club Forums Note: Dirty cabin air filter mostly only leads to reduced cooling. 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 . Another patient said the AC is just blowing warm air. Just make sure the temp control on the upper console facing the rear seats is not turn to warm. What these are and what you can do about it, we explain in this article. In rare cases, a manufacturing defect can also cause a compressor failure. Therefore it is important to diagnose a failing water pump at early stages to avoid expensive repairs later on. Ditto. In this video we show you How To Repair a Dodge Caravan Air Conditioning System. Insert the key into the ignition and turn to the "On" position. Dodge Grand Caravan - REAR DEFROSTER BLINKING? NO HEAT OR A/C? Cleaning the evaporator in Grand Caravan is not a simple task. It doesn't bother me. Just make sure the temp control on the upper console facing the rear seats is not turn to warm. If too much dirt is caked in the blower fins, it can throw off the balance of the spinning cage and cause it to wobble. When the outside temperature drops too low, the heating performance may be reduced in Grand Caravan if the air conditioning system is set to outside air. Dodge Grand Caravan Questions - Rear ac blows air but not cool air In most cases, the entire dashboard has to be removed before you can access the evaporator. Sometimes changing the temperature can temporarily stop the sound. 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. HOLD the buttons for 10 sec and the instrument cluster will go into a diagnostic sequence. As soon as the light starts to flash release the two buttons and the system will reset. This can have different causes. There is only one small cable running to the blower fan which transmits the electricity. Mark helpful. "AC unit" - what does that mean? 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 heating or cooling. stop for 20 minutes and it work for 1 hour then quit. 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 will need recharging after every few years. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. What 3 far left buttons? JavaScript is disabled. A patient turn the temp control to warm because the air conditioner was too cold. ZIP: #1 Paul Reputation 2,020 #2 tenspeed Reputation 1,510 #3 Dan Ritz Reputation 1,480 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. Blower not working, no air condition or heat? Place the key into the ignition and switch it to the "On" position. I have a 2005 . 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. The vehicle has an air conditioning system (AC) to cool passengers during warm weather and hot drives. 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. Specifically replace the condenser, evacuated, and recharge the AC system with R134 refrigerant on a 2002 Dodge Caravan minivan. Jul 13, 2012. You cannot repair a broken blower motor, the part must be replaced with a new one. Thanks Therefore, the filter performance will not increase significantly even after cleaning. 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. A bad blend door actuator usually cannot be repaired and must be replaced with a new one. The vehicle was not repaired. A knocking noise from behind the dashboard could be an indicator of a bad blend door actuator in your Grand Caravan. If the condenser is dirty on your Grand Caravan, the simplest solution is to clean it. Copyright 2023 Leaf Group Ltd. / Leaf Group Media, Auto User Manual: Dodge Caravan Owner's Manual. Rear A/C Block off Kit Air Conditioning Block Off Compatible with 2012-2016 Town/Country Dodge Caravan w/Dual Bolts. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. When looking for the reason, you should always start with the most obvious cause, insufficient amount of refrigerant. . Press and hold the top one and bottom one. The sound will be most prominent for a few seconds when you turn on the air conditioning or adjust the temperature. 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. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling, heating and air flow. Happened on the 2008 Dodge I drive for the company. 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. 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. Clogged heater core is one of the leading causes of heating not working in Dodge Grand Caravan. My rear a/c is not working in my 2008 town and country, blowers work fine but only blow warm air. Dodge Grand Caravan won't start - causes and how to fix it Dirty evaporator can also significantly reduce AC cooling performance in Grand Caravan. Home Troubleshooting Dodge Grand Caravan AC not cooling causes and diagnosis. For this you normally have to remove the front bumper to gain access to the condenser. Christopher S July 30, 2020. Refrigerant leak in Grand Caravan can be caused by leaking O-ring seals, leaking condenser or evaporator core, or a cracked hose. Join now! The blend door actuator may require recalibration after replacement. 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