(But it bothers the wife about 10 days out of the year.) 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 head gasket is responsible for providing the seal between the engine block and cylinder heads. 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. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not RB The Mechanic Low coolant level or air in the heater core can sometimes cause sloshing sound from behind the dashboard when the engine is running. Check fan relay. VehicleHistory.com Leak discovered. The minivan was first manufactured in 1983 and remains in production as of 2011. Caravan fan and ac not working 1 Answer. Press and hold the top one and bottom one. Leak was due. When looking for the reason, you should always start with the most obvious cause, insufficient amount of refrigerant. Over time dust can accumulate on the fins and reduce the air flow, which reduces cooling performance. Happened on the 2008 Dodge I drive for the company. Heat and air works great but if you say, switch to floor then it willbe floor and face. 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. Step 3 Locate the three leftmost buttons in the AC controls. Over time, these dust particles can builds up on the fins and block the air flow through the evaporator, resulting in poor cooling. The worst damage, however, is a failure of the AC compressor when it eats itself due to insufficient lubrication or a production error, metal chips form, which are distributed throughout the Grand Caravans AC system. Larger leaks may already be heard or you can find them with a leak detection spray. Just like with low refrigerant, the AC in Grand Caravan will blow warm air only if the AC system is overcharged with refrigerant. 2010 T&C Touring, 3.8L, 6 Speed 62TE Trans. The blower motor is the central component of the air conditioning system in Grand Caravan, responsible for blowing cold air through the AC vents. Unless the wiring issue is fixed, the fuse will blow again. Since some OBD codes are manufacturer-specific, the scanner will be able to give you more accurate information if you enter more details about your Grand Caravan. In rare cases, a fault in the climate control unit can cause the heater to stop functioning. Aug 25, 2008 2003 Dodge Caravan helpful Flashing lights! 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. Shake the canister briefly and release the refrigerant into the system until the recommended pressure has been achieved. Place the key into the ignition and switch it to the "On" position. This is mostly common in older vehicles. Turn the Mode Control dial to "Panel." If it is blown, replacing the fuse will only solve the problem for a very limited period of time. Did you ever come across a Problem like this? In any case, it is advisable for laypersons to visit a workshop. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The AC light should illuminate and then flash. Rear ac in Dodge Grand Caravan not blowing. Cabin air filter captures most of the dirt or other airborne particles, but some escape and fall on to the evaporator. Dodge Grand Caravan Sport: 2003 Grand Caravan Sport 3.8l 128000km 2003 Grand Caravan Sport 3.8l 128000km with front- and rear-AC system. You can recharge your AC through the low-pressure port with a do it yourself AC recharge kit. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling, heating and air flow. A worn out or weakened blower motor can also produce abnormal sounds when in operation. Copyright 2023 Leaf Group Ltd. / Leaf Group Media, Auto User Manual: Dodge Caravan Owner's Manual. Mine is 2011 and has turn knobs for fan & temp. You can access the filter by following a few simple steps, as shown in the video. "AC unit" - what does that mean? Where are the 3 buttons to hold for reset? Follow the manufactures repair procedure and use appropriate safety procedures. If this is the case, the only option is to replace the broken part. 56,823 Satisfied Customers 20+ yrs. 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.) After the Dealer replaced 2 major Components in the AC System, the Air still comes on in Neutral and Park even when the Air is not switched on and only the Outside Vent is on. . 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. HOLD the buttons for 10 sec and the instrument cluster will go into a diagnostic sequence. In this way, it can be determined whether the loss of refrigerant is due to a defective condenser. A knocking noise from behind the dashboard could be an indicator of a bad blend door actuator in your Grand Caravan. 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? To complete the reset, press the top button. Just have it refilled and you can drive with pleasant temperatures again. A bad water pump will not only cause poor heating, but can also result in engine damage due to overheating. 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Less common causes are clogged expansion valve or orifice tube, overcharged oil, faulty blend door actuator, or a defect in the climate control unit. Grand Caravan Blacktop Package 3.6L. A patient turn the temp control to warm because the air conditioner was too cold. . Anytime there is a problem with the temperature of the air conditioning system, it could be a problem with the blend door actuator. It will be anywhere from $1000 tp $1500 to have a garage do the work. 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. 1. 166. 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. You must start the Dodge Caravan to reset the Dodge Caravan climate control. If the temperature changes a little, the module may need calibration with the scan tool (StarScan, StarMobile, etc). 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It is the sole responsibility of the viewer to assume this risk. If there is a problem with the temperature of the air conditioning system, it could be due to a bad blend door actuator. ZIP: #1 Paul Reputation 2,020 #2 tenspeed Reputation 1,510 #3 Dan Ritz Reputation 1,480 It also puts unnecessary strain on the entire AC system which negatively impacts your Grand Caravans fuel consumption. 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. Jul 13, 2012. Find a better mechanic. Maybe only the condenser side fan is not working. Many - Many - Many . If the coolant level is low, open the cap and pour some coolant into the tank until it is between minimum and maximum mark. Sometimes when a thermostat goes bad, it stays stuck open. Dirty cabin air filter is the leading cause of weak heater airflow in Dodge Grand Caravan. experience as repair shop manager and technician. 10 offers from $23.29. Join now! 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. 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 most cases, the entire dashboard has to be removed before you can access the evaporator. Do you still sweat while driving your Dodge Grand Caravan? The Dodge Caravan AC is known for one thing.. Check all front HVAC fuses and relays M11 and J15 I believe, all good. 92492 20+ yrs. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced heating and airflow. The pressure values based on ambient temperatures differ depending on the type of the refrigerant. The Questions and Answers on this page are the statements and opinions of their respective authors and not VehicleHistory.com. When looking for the reason, you should start with the most obvious causes: low coolant level or air in the cooling system, and clogged heater core. Check the owners manual of your vehicle or the fuse box cover to find the exact location of the AC fuses. Due to the complexity of the replacement job, it is not recommended as a DIY project. If found dirty, clean it using a brush. 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. The most common symptom of faulty blend door actuator on Dodge Grand Caravan is a slight clicking sound repeatedly coming from under the dashboard. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 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. If only hot air comes out of the air vents in your Grand Caravan, then the problem probably lies somewhere else. The most common causes for AC blowing hot air in Dodge Grand Caravan are low or overcharged refrigerant, compressor malfunction, dirty condenser or evaporator coils, faulty blend door actuator, defective evaporator temperature sensor, bad AC pressure sensor, and bad fuse or relay. If the condenser is dirty on your Grand Caravan, the simplest solution is to clean it. So, all of them must be inspected when diagnosing poor air flow. does not research or authenticate any of the Answers provided. 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. ! In case of severe contamination, multiple components may have to be replaced, including the condenser, the evaporator and the compressor. But if the thermostat has developed a defect and is stuck to open position, the coolant will continuously flow through the radiator and the engine may take a long time to reach its optimal operating temperature.

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