If this is the case, the only option is to replace the broken part. 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. So, all of them must be inspected when diagnosing poor air flow. Let us know what you find with this and we can go from there. Vehicle History's team of automotive experts brings you the most accurate and up-to-date used car information. Below is a chart that will help with proper pressures. 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. Locate the three leftmost buttons in the AC controls. Tried all combinations of power on, rotating the know etc. 2023 Vehicle History Inc. All Rights Reserved. There are many reasons why your Dodge Grand Caravan AC is not cooling properly. Therefore, the filter performance will not increase significantly even after cleaning. It was out of warranty when it went, and the shop wanted <too much, for it to be worth it to me> to repair it (had it in for another issue & asked them to check it.) 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. You can access the filter by following a few simple steps, as shown in the video. Release the buttons once you see the light flash. Larger leaks may already be heard or you can find them with a leak detection spray. VehicleHistory.com One is labelled H for high-pressure and the other one is labelled L for low-pressure. Unless the wiring issue is fixed, the fuse will blow again. The hot coolant is pumped through the heater core located behind the dashboard. Keep in mind that reduced air flow 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. It also puts unnecessary strain on the entire AC system which negatively impacts the fuel consumption. Due to the complexity of the replacement job, it is not recommended as a DIY project. 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. Start by inspecting the condition of the cabin air filter on your Grand Caravan. Remove the glove compartment, unscrew the blower fan and then unplug the electricity to it. 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. As a rule, there is no avoiding a change if the filter is dirty. Grand Caravan Crew 3.6L V6 Automatic transmission 46,300 miles AC stopped blowing cold. You dont have to go to a workshop to check for a leaking head gasket in your Grand Caravan. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced heating and airflow. 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. A patient turn the temp control to warm because the air conditioner was too cold. Seem to be moving and so forth. You must start the Dodge Caravan to reset the Dodge Caravan climate control. The top button will flash when the reset is completed. The vehicle replaced a 2013 Chevrolet Equinox. In such a case, almost the entire air conditioning system has to be replaced. Leaks in the head gasket can cause all sorts of problems in your Grand Caravan including poor heater performance. 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) Blend door actuator plays a role in controlling the air flow and temperature inside 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. HOLD the buttons for 10 sec and the instrument cluster will go into a diagnostic sequence. 2019 Dodge Grand Caravan 35 Anniversary Model. Maybe only the condenser side fan is not working. It is a well known problem and any Caravan I have every seen has had this problem. The front air con works greatany ideas would could be the problem and how to fix it! If the condenser is dirty on your Grand Caravan, the simplest solution is to clean it. 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. There is no fixed time for replacing the cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. A clogged or leaking condenser can also be the reason for air-conditioning not working properly on your Grand Caravan. When looking for the reason, you should always start with the most obvious cause, low refrigerant level in the system. Jul 18, 2012. If there is a problem with the temperature of the air conditioning system, it could be due to a bad blend door actuator. 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. 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. Home Troubleshooting Dodge Grand Caravan AC not cooling causes and diagnosis. Caravan fan and ac not working 1 Answer. Thanks for your support! The videos are intended for information only. Rear A/C Block Off with Screws Gaskets Aluminium Alloy Rear Air Conditioner Block Replacement Fit for Town/Country Caravan/Grand Caravan 2012 C 2016. Flushing is done by pushing water through the outlet hose of the heater core and draining the gunk from the inlet hose. The AC light should illuminate and then flash. Less common causes are clogged expansion valve or orifice tube, overcharged oil, faulty blend door actuator, or a defect in the climate control unit. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. Check all front HVAC fuses and relays M11 and J15 I believe, all good. ! Mechanic refilled with Freon to include dye so that he could detect a leak. This would require a scan tool to confirm correct operation. As soon as the light starts to flash release the two buttons and the system will reset. In any case, it is advisable for laypersons to visit a workshop. In addition to the normal loss, component defects are usually responsible for the escape of the refrigerant gas on Dodge Grand Caravan. The failure mileage was 125,393. Most modern vehicles use R-134a refrigerant, but newer vehicles are increasingly using R-1234yf as a more environmentally friendly replacement. Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. If your Grand Caravan is losing coolant, that means there is a leak somewhere or it is getting burned up inside the engine. The air conditioning is a blessing, especially in hot temperatures. A maximum of the metal pipes can be rinsed here. 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. 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. Aug 25, 2008 2003 Dodge Caravan helpful Flashing lights! Grand Caravan SXT 3.6L V6. 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. Press the top button to complete the reset. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. A bad water pump will not only cause poor heating, but can also result in engine damage due to overheating. Most diagnostic devices then ask for some information about the vehicle. Both should be hot. The Questions and Answers on this page are the statements and opinions of their respective authors and not VehicleHistory.com. ZIP: #1 Paul Reputation 2,020 #2 tenspeed Reputation 1,510 #3 Dan Ritz Reputation 1,480 The sound will be most prominent for a few seconds when you turn on the air conditioning or adjust the temperature. Your vehicles air conditioning system has an expansion vale or an orifice tube, depending on the model. Due to the complexity of the replacement job, it is not recommended as a DIY project. Just have it refilled and you can drive with pleasant temperatures again. 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. 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. Just like with low refrigerant, the AC in Grand Caravan will blow warm air only if the AC system is overcharged with refrigerant. Blower not working, no air condition or heat? Remove the cap from the low pressure service port labelled L, and connect the AC recharge kit. Just have it refilled and you can drive with pleasant temperatures again. 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. year to help you gain confidence about one of your largest purchase decisions. Free Dodge Grand Caravan repair estimates, See More 2016 Dodge Grand Caravan Questions, When im turning or accelerating my van makes a clicking noise, Blows cool air on 1 vent and heat from the other at the same time, The heater was blowing heat and all of the sudden it was blowing cold air and the etc light came on, Air Conditioning Expansion Valve Replacement. 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. 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. Due to factors beyond the control of RB The Mechanic, it cannot guarantee against unauthorized modifications of this information. You cannot repair a broken blower motor, the part must be replaced with a new one. Both of these are at risk of clogging due to contamination, for example due to metal shavings from a failing compressor. ChryslerMinivan.net is the best forum for Chrysler Town and Country owners to discuss mileage, price, problems, towing and more. Therefore, it is recommended to do this in a workshop. 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. The top button controls the rear wiper on constant and the bottom button controls the rear wiper washer fluid. 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. In that case driving at high speed should blow some cold air from the AC. Sometimes changing the temperature can temporarily stop the sound. Shake the canister briefly and release the refrigerant into the system until the recommended pressure has been achieved. Refrigerant leak in Grand Caravan can be caused by leaking O-ring seals, leaking condenser or evaporator core, or a cracked hose. 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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. Insufficient amount of refrigerant in the AC system is one of the leading causes of AC not blowing cold air in Grand Caravan. The compressor is the heart of the air conditioning system in Dodge Grand Caravan. . In the AC settings, find the three leftmost buttons. A low refrigerant level in your Grand Caravan does not necessarily mean there is a leak. It also puts unnecessary strain on the entire AC system which negatively impacts your Grand Caravans fuel consumption. There is no prescribed time for changing cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. The excess oil may pool in various places of the AC system and can coat the inner walls of the evaporator and condenser, diminishing their ability to absorb or dissipate heat, consequently reducing the overall cooling performance. If only hot air comes out of the air vents in your Grand Caravan, then the problem probably lies somewhere else. There can also be a refrigerant leak in the evaporator, in that case the evaporator will have to be replaced. 2016 Dodge Grand Caravan This problem may be covered under warranty. 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. FAILING. Clogged heater core is one of the leading causes of heating not working in Dodge Grand Caravan. Over time, these dust particles can builds up on the fins and block the air flow through the evaporator, resulting in poor cooling. Resetting the system is something You can do from home but it takes a few steps. Inspect the cabin air filter (if equipped) to verify that it is not clogged. Dodge Grand Caravan Sport: 2003 Grand Caravan Sport 3.8l 128000km 2003 Grand Caravan Sport 3.8l 128000km with front- and rear-AC system. If fans arent coming on, you should have engine overheating issues. This setting only directs air to your face and upper body and not your feet. There are many reasons why air conditioning may not be working properly on your Dodge Grand Caravan. A defective sealing ring, a worn line or a condenser that has been damaged by a stone chip are the most common causes. 3. The sound will be most prominent for a few seconds when you turn on the air conditioning or adjust the temperature. What to do? Start the Dodge Caravan. Find a better mechanic. 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. The air flow from the vents is choppy and not smooth. CarGurus has 52 nationwide Caravan listings starting at $3,499 . This mode is useful for clearing fog from the windows. If Your climate control is not working properly in Your Dodge Caravan then You may want to reset it. It is generally recommended to replace the cabin air filter every year at the start of the winter season. This can happen due to a leak or if the AC has not been recharged for a long time. What 3 far left buttons? Sometimes when a thermostat goes bad, it stays stuck open. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. Once you start the car back up the A/C will still be off. 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 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. The vehicle has an air conditioning system (AC) to cool passengers during warm weather and hot drives. In case of contamination, you may have to flush out the contaminants from the AC system of your Grand Caravan, including the condenser and the evaporator, before putting in the new part. 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. 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. Rear ac in Dodge Grand Caravan not blowing. 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? 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. Symptoms of a Bad or Failing Blower Motor Relay If the blower motor does not function, car fuses are blown, or relays are melting, you may have to replace the car blower motor relay. Step 1 Start the Dodge Caravan. If it is blown, replacing the fuse will only solve the problem for a very limited period of time. The heater in Dodge Grand Caravan ensures comfortable temperature in the passenger compartment when the weather is chilly. 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. The AC will start to calibrate and reset. 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. A broken compressor is usually irreparable. FAILING. 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 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. RB The Mechanic assumes no liability for property damages or injury incurred as a result of any of the information contained in this video. The minivan was first manufactured in 1983 and remains in production as of 2011. Heat and air works great but if you say, switch to floor then it willbe floor and face. In the event of a defect, the mechanic can directly initiate the repair. Your vehicle may also consume more fuel than normal. Many - Many - Many . 8.8K views 1 year ago 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? It will be anywhere from $1000 tp $1500 to have a garage do the work. Its purpose is to seal the combustion gases within the cylinders and to avoid coolant or engine oil leaking into the cylinders. The rear HVAC housing has electric stepper motors driving the temperature blend door (cool/warm) and the air mode door (side/headliner vents). However, if you dont turn on the air conditioning on your Grand Caravan for a long time, the parts will stick.