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. 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. 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. 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. Insufficient amount of refrigerant is still the main cause of a non-functioning AC system. Due to factors beyond the control of RB The Mechanic, it cannot guarantee against unauthorized modifications of this information. Dodge Caravan - Looking for a Used Caravan in your area? CarGurus has 52 nationwide Caravan listings starting at $3,499 . Start by inspecting the condition of the cabin air filter on your Grand Caravan. Symptoms of a Bad or Failing Blower Motor Relay - YourMechanic There can also be a refrigerant leak in the evaporator, in that case the evaporator will have to be replaced. ANSWERED: Ac not working on passenger side (Dodge Grand Caravan An overcharged system not only affects cooling performance but can also damage the compressor and sometimes can cause a major leak. There is only one small cable running to the blower fan which transmits the electricity. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling and air flow. Therefore it is recommended to do this at a workshop. However, the high-pressure refrigerant pulls these chips back with it during operation and the next damage is inevitable. If you have front AC that is working fine then the rear should also work if the blower is working. 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. 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. If the pressure is higher than the recommended pressure, let some refrigerant out preferably into a rag to avoid exposure. Find a better mechanic. 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. Caravan fan and ac not working 1 Answer. 56,823 Satisfied Customers 20+ yrs. This hinders the condensers ability to release heat as less air passes through the mesh, which results in poor cooling in the interior. ! Blend air doors can be a problem. Amedee is online now The sound will be most prominent for a few seconds when you turn on the air conditioning or adjust the temperature. Leaks in the head gasket can cause all sorts of problems in your Grand Caravan including poor heater performance. 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.) In case of severe contamination, multiple components may have to be replaced, including the condenser, the evaporator and the compressor. Thanks for your support! Dodge Grand Caravan. 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The pollen filter, also known as the cabin filter or microfilter, is a central component of the ventilation system in your Dodge Grand Caravan. The result is a defective compressor that can no longer be repaired. Hope this helps. Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. 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 pressure values based on ambient temperatures differ depending on the type of the refrigerant. 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. This is . A patient turn the temp control to warm because the air conditioner was too cold. The blend door actuator may require recalibration after replacement. 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. Leak discovered. Automatic transmission. 3.8 out of 5 stars. The wiring harness itself can go bad. 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. You can recharge your AC through the low-pressure port with a do it yourself AC recharge kit. 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. Below is a chart that will help with proper pressures. Most modern vehicles use R-134a refrigerant, but newer vehicles are increasingly using R-1234yf as a more environmentally friendly replacement. 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. Seem to be moving and so forth. Dodge Grand Caravan Sport: 2003 Grand Caravan Sport 3.8l 128000km 2003 Grand Caravan Sport 3.8l 128000km with front- and rear-AC system. But if the weather is too cold, the engine may never reach its optimal operating temperature with a stuck open thermostat. Dodge Grand Caravan AC Is Not Working - RepairPal.com 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. (But it bothers the wife about 10 days out of the year.) It is now 90+ degrees where we live with high humidity. Step 3 Locate the three leftmost buttons in the AC controls. dash and headlights RESET PROCEDURE With the ignition off, press the TRIP and RESET buttons at the same time you turn on the ignition. The inside of the vehicle is developing a bad moldy smell. Both should be hot. Thermostat is a part of the cooling system in Dodge Grand Caravan which ensures that the engine reaches its optimal operating temperature as quickly as possible and maintain it under all operating conditions. does not research or authenticate any of the Answers provided. Dodge Caravan: Heater Not Working Diagnosis | Drivetrain Resource A/c Blowing Hot Air: I Am a Lady and Do Not Know Alot About - 2CarPros If it is blown, replacing the fuse will only solve the problem for a very limited period of time. It is generally recommended to replace the cabin air filter every year at the start of the winter season. The Town & Country and Grand Caravan mini vans are susceptible to rear A/C issues, especially in the rust belt. Insufficient lubricant: The compressor in Grand Caravan needs lubrication to function properly and minimize mechanical wear by reducing friction. stop for 20 minutes and it work for 1 hour then quit. Over time, the heater core can begin to rust or mineral deposits can form in these channels, blocking the flow of the coolant. 5th Generation Chrysler Minivans: 2008-2020, 4th Generation Chrysler Minivans: 2001-2007, 3rd Generation Chrysler Minivans: 1996-2000, 2nd Generation Chrysler Minivans: 1991-1995. Rear a/c problems | The Chrysler Minivan Fan Club Forums The block off kit can be found here: www.streetrodguys.com It is a filter! Once you start the car back up the A/C will still be off. Specifically replace the condenser, evacuated, and recharge the AC system with R134 refrigerant on a 2002 Dodge Caravan minivan. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced heating and airflow. Blend door actuator plays a role in controlling the temperature inside your Grand Caravan. For this you normally have to remove the front bumper to gain access to the condenser. Join now! A leaking condenser can lead to a loss of refrigerant and reduced cooling performance of the system. Clearing the air from the heater core will not help until the head gasket has been replaced. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. As a rule, there is no avoiding a change if the filter is dirty. If the blend door actuator fails to fully open the blend door towards the heater core, it will result in poor heating performance. Grand Caravan Crew 3.6L V6 Automatic transmission 46,300 miles AC stopped blowing cold. Warning: Wear gloves and safety glasses before recharging the AC to avoid accidental exposure to harmful chemicals in the refrigerant. 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. Due to the complexity of the replacement job, it is not recommended as a DIY project. Dodge Grand Caravan Questions - Rear ac blows air but not cool air It is the sole responsibility of the viewer to assume this risk. Check fan relay. 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 most common symptom of a faulty blend door actuator in Dodge Grand Caravan is a slight clicking sound (or other unusual noise) repeatedly coming from under the dashboard. If Your climate control is not working properly in Your Dodge Caravan then You may want to reset it. Leak was due. It will be anywhere from $1000 tp $1500 to have a garage do the work. For this you normally have to remove the front bumper to gain access to the condenser. If you turn it to heat, does the air get hotter? If the temperature changes a little, the module may need calibration with the scan tool (StarScan, StarMobile, etc). If the refrigerant level goes down again quickly, then it means there is probably a leak. Therefore it is important to diagnose a failing water pump at early stages to avoid expensive repairs later on. What to do? Larger leaks may already be heard or you can find them with a leak detection spray. 10 offers from $23.29. A knocking noise from behind the dashboard could be an indicator of a bad blend door actuator in your Grand Caravan. The air conditioning is a blessing, especially in hot temperatures. Just like with low refrigerant, the AC in Grand Caravan will blow warm air only if the AC system is overcharged with refrigerant. If your Grand Caravan has push start/stop button, then its possible that your vehicle may not start due to weak key fob battery. FAILING. 18,300 miles. Mechanic refilled with Freon to include dye so that he could detect a leak. Dirty evaporator can also significantly reduce AC cooling performance in Grand Caravan. If only hot air comes out of the air vents in your Grand Caravan, then the problem probably lies somewhere else. It is important that you enter this 100% correctly, otherwise the result of the search may be inaccurate. The rear HVAC housing has electric stepper motors driving the temperature blend door (cool/warm) and the air mode door (side/headliner vents). 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 . Rear AC not working Rear AC not working 2016 Dodge Grand Caravan Asked by Visitor in Englewood, CO on September 05, 2021 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. A knocking noise from behind the dashboard could be an indicator of a bad blend door actuator in your Grand Caravan. Did you ever fix it my van has the same problem but all my blend doors ect.. This is an illustration of the normal repair that we see in the shop. Next You will need to press the highest and lowest buttons on the AC control panel until the AC light begins to flash. The top button will flash when the reset is completed. Insufficient amount of refrigerant in the AC system is one of the leading causes of AC not blowing cold air in Grand Caravan. So, all of them must be inspected when diagnosing poor air flow. Copyright 2023 Leaf Group Ltd. / Leaf Group Media, Auto User Manual: Dodge Caravan Owner's Manual. 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. The Dodge Caravan AC is known for one thing.. Dirty cabin air filter The pollen filter, also known as the cabin filter or microfilter, is a central component of the ventilation system in your Dodge Grand Caravan. That means every time you start the van, climate controls go through self adjustment and check every blend door actuator and blend door. 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. What 3 far left buttons? Release the buttons once you see the light flash. The top button controls the rear wiper on constant and the bottom button controls the rear wiper washer fluid. Since the heater core is usually slightly higher, the air will accumulate in there first. When you start your Grand Caravan when the engine is cold, the thermostat cuts off flow of coolant through the radiator in order to quickly reach the optimal engine operating temperature. When the heater is turned on and the AC turned off, the compressor does not turn on and the evaporator is not cooled. Anytime there is a problem with the temperature of the air conditioning system, it could be a problem with the blend door actuator. There are many reasons for poor heating performance in Grand Caravan, which are explained in this article. The water pump is the heart of the cooling system in Grand Caravan responsible for pumping coolant throughout the system and cooling the engine. This is mostly common in older vehicles. Checking coolant level in Grand Caravan is a fairly some job. Rear ac in Dodge Grand Caravan not blowing. 2019. 92492 - JustAnswer 8 people found this helpful. After two years, Braun left to pursue her entrepreneurial dreams. 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. 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. Low coolant level or air in the cooling system can cause the heater to stop working properly in Grand Caravan. Instead of changing it directly, it is often recommended to first clean the pollen filter. It doesn't bother me. QuiteAlright is not responsible or liable for any loss damage (including, but not limited to, actual, consequential, or punitive), liability, claim, or any other injury or cause related to or resulting from any information posted in this video. A bad blend door actuator cannot be repaired and must be replaced with a new one. In rare cases, a fault in the climate control unit can cause the AC to stop cooling. A worn out or weakened blower motor can also produce abnormal sounds when in operation. Inspect the cabin air filter (if equipped) to verify that it is not clogged. 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. about the air conditioner on a new caravan | Allpar Forums Sometimes changing the temperature can temporarily stop the sound. However, a bad electrical connector or broken wire, or a defect in the climate control unit can also cause the blower motor to stop working. If the condenser is dirty on your Grand Caravan, the simplest solution is to clean it. The minivan was first manufactured in 1983 and remains in production as of 2011. How to Troubleshoot the Air Conditioning in Dodge Cars In that case driving at high speed should blow some cold air from the AC. Don't worry, you can still start your vehicle - the battery is only used to send the signal for locking/unlocking. 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. The two systems are joined, so if for example you lose freon, you will lose AC in the front and rear. The AC will start to calibrate and reset. Feel both the rubber lines going in and out of the heater core after the engine has warmed up. However, if you dont turn on the air conditioning on your Grand Caravan for a long time, the parts will stick. 3 offers from $32.73. experience as repair shop manager and technician. The Dodge Caravan is a minivan manufactured and sold by the Dodge division of the Chrysler Group. The compressor is the heart of the entire air conditioning system on Dodge Grand Caravan. Flushing is done by pushing water through the outlet hose of the heater core and draining the gunk from the inlet hose. You dont necessarily have to visit a workshop to clean or replace the pollen filter on your Grand Caravan. As a rule, there is no avoiding a change if the filter is dirty. Instead of changing the cabin air filter in Grand Caravan, it is often recommended to first clean the filter. Jun 14, 2017. A broken compressor is usually irreparable. The AC stopped working a while ago. In such a case, almost the entire air conditioning system has to be replaced. Automatic transmission. Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. 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. 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. Switch the Mode Control knob to "Panel." The most common symptom of a faulty blend door actuator in Dodge Grand Caravan is a slight clicking sound (or other unusual noise) repeatedly coming from under the dashboard. I have a 1994 Dodge Caravan with 130,000 miles on it. If the refrigerant level goes down again quickly, it means there is probably a leak. I have a 2005 . Blower not working, no air condition or heat? If there is no air flow or reduced air flow from the vents on your Dodge Grand Caravan, bad blower motor could be the culprit. Driving your Dodge Grand Caravan in warmer temperatures with a malfunctioning air conditioning system can quickly become a nuisance when sweltering heat builds up in the cabin. Home Troubleshooting Dodge Grand Caravan AC not cooling causes and diagnosis. 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. In any case, it is advisable for laypersons to visit a workshop. It also puts unnecessary strain on the entire AC system which negatively impacts your Grand Caravans fuel consumption. 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) There are many reasons why the heater in your Dodge Grand Caravan is not working properly. Weak key fob battery. The dryer is often overlooked. 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 the blower motor in your Grand Caravan is not spinning fast enough either due to an internal defect or due to a fault in the resistor/control module, the airflow from the AC vents will be weaker and the heating performance will be degraded. 2019. Ask your Dodge dealer. Christopher S July 30, 2020. 2008 GC SXT rear AC not working | Allpar Forums It's an obvious rear mode door or switchology problem as stated. Remove the cap from the low pressure service port labelled L, and connect the AC recharge kit. By filling and properly bleeding the system the heat should come back. 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. The air flow from the vents is choppy and not smooth. Dont worry, there is no risk of suffocation, as the air recirculation mode still allows up to approximately 10 percent of the air coming from the air vents to be fresh air from the outside.