Step 1 Start the Dodge Caravan. The AC stopped working a while ago. 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. HVAC with 3 zone controls. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling, heating and air flow. I bought it used, but the air worked fine when I bought it in 2004. 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. 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. You dont have to remove the heater core in your Grand Caravan to check if it is clogged. As a rule, there is no avoiding a change if the filter is dirty. It will be anywhere from $1000 tp $1500 to have a garage do the work. That means every time you start the van, climate controls go through self adjustment and check every blend door actuator and blend door. 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. The OBDII connector is usually located under the dashboard. 2019 Dodge Grand Caravan 35 Anniversary Model. Check fan relay. Start the Dodge Caravan. Shake the canister briefly and release the refrigerant into the system until the recommended pressure has been achieved. There are several causes for AC not blowing cold air in Grand Caravan, which we will go through in this article. Mechanic refilled with Freon to include dye so that he could detect a leak. 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 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. Since the two heat exchangers (condenser and evaporator) are designed in cross-flow design, the detergent finds the path with the least resistance and leaves the chips behind. For a better experience, please enable JavaScript in your browser before proceeding. This setting only directs air to your face and upper body and not your feet. experience as repair shop manager and technician. If the coolant level is low, open the cap and pour some coolant into the tank until it is between minimum and maximum mark. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling and air flow. If it stops permanently I'll pull the carpeted cover under the glove box and see if I can pull, clean, and lube the actuator. Show more. 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. The compressor is the heart of the air conditioning system in Dodge Grand Caravan. Anytime there is a problem with the temperature of the air conditioning system, it could be a problem with the blend door actuator. Over time, grime, bugs and other small particles can build up on its surface and in the gaps of its mesh. Amedee is online now The front air con works greatany ideas would could be the problem and how to fix it! Insufficient lubricant: The compressor in Grand Caravan needs lubrication to function properly and minimize mechanical wear by reducing friction. 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. My 2003 Dodge Grand caravan blows hot air and my friends that was looking under the hood said that the fans arent coming on, not sure what fans but what do I do. 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. 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. In any case, it is advisable for laypersons to visit a workshop. The sound will be most prominent for a few seconds when you turn on the air conditioning or adjust the temperature. year to help you gain confidence about one of your largest purchase decisions. VehicleHistory.com Dodge Grand Caravan Sport: 2003 Grand Caravan Sport 3.8l 128000km 2003 Grand Caravan Sport 3.8l 128000km with front- and rear-AC system. 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. 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. Blower not working, no air condition or heat? Check the owners manual of your vehicle or the fuse box cover to find the exact location of the AC fuses. You can recharge your AC through the low-pressure port with a do it yourself AC recharge kit. 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. Copyright 2023 Leaf Group Ltd. / Leaf Group Media, Auto User Manual: Dodge Caravan Owner's Manual. 2010 T&C Touring, 3.8L, 6 Speed 62TE Trans. The air conditioning is a blessing, especially in hot temperatures. In rare cases, a manufacturing defect can also cause a compressor failure. FAILING. Therefore, it is recommended to do this in a workshop. Dodge Grand Caravan. Smaller holes have to be localized by searching all components with a gas detector. After two years, Braun left to pursue her entrepreneurial dreams. 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 faulty rear evaporator. When a blower motor goes bad, it usually makes unusual noises when in operation, and the passengers may feel reduced air flow from the AC vents. Dirty evaporator can also significantly reduce AC cooling performance in Grand Caravan. 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 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. Rear blower will not turn on. Like the radiator, the air conditioning condenser on Dodge Grand Caravan sits at the front of the vehicle and is responsible for releasing the heat from the refrigerant into the ambient air. Grand Caravan Crew 3.6L V6 Automatic transmission 46,300 miles AC stopped blowing cold. 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. Jun 14, 2017. The rear a/c works very, very well and they are very pleased with the a/c system. A broken compressor is usually irreparable. A blown head gasket can cause coolant to leak into the combustion chambers and burn off. stop for 20 minutes and it work for 1 hour then quit. 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. Unless the wiring issue is fixed, the fuse will blow again. Your air conditioning system no longer cools properly? 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. No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. 1. Below is a chart that will help with proper pressures. 166. If your Grand Caravan has push start/stop button, then its possible that your vehicle may not start due to weak key fob battery. . So, all of them must be inspected when diagnosing poor airflow. Both of these are at risk of clogging due to contamination, for example due to metal shavings from a failing compressor. Blend air doors can be a problem. Sometimes when a thermostat goes bad, it stays stuck open. Remove the blower motor, typically located under the passenger side dashboard, and inspect the condition of the cage. A blown head gasket can cause the exhaust gases from the engine to enter the cooling system and plug the heater core. Once the leak has been found, this must be closed again by replacing the respective component. 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) The water pump is the heart of the cooling system in Grand Caravan responsible for pumping coolant throughout the system and cooling the engine. 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. In the AC settings, find the three leftmost buttons. The procedure, commonly called calibration, initiates the self diagnostic test and system reset for the vehicle's air conditioning. The system is filled with forming gas (nitrogen with a little hydrogen) in the workshop. HOLD the buttons for 10 sec and the instrument cluster will go into a diagnostic sequence. Less common causes are clogged expansion valve or orifice tube, overcharged oil, faulty blend door actuator, or a defect in the climate control unit. Bad Thermostat The job of your Caravan's thermostat is to regulate the temperature of the engine. 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 If one is hot and the other is cold, you have a plugged heater core. 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. The AC will start to calibrate and reset. 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. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. Release the buttons once you see the light flash. 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. In rare cases, a fault in the climate control unit can cause the heater to stop functioning. tried different settings, defrost, floor and turn the heat on. 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. If the refrigerant level goes down again quickly, it means there is probably a leak. Larger leaks may already be heard or you can find them with a leak detection spray. Check which type of refrigerant your vehicle uses. 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. Water pumps usually last for more than 100,000 miles, but they can fail at any time. The rear HVAC housing has electric stepper motors driving the temperature blend door (cool/warm) and the air mode door (side/headliner vents). Turn on the AC and set it to the coldest setting, and the fan speed to maximum. A family member purchased a new 2017 Grand Caravan SXT with the rear heat / ac.
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