2012 Dodge Grand Caravan Heater Not Working Properly It is a well known problem and any Caravan I have every seen has had this problem. 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. Cabin air filter captures most of the dirt or other airborne particles, but some escape and fall on to the evaporator. 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. 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. 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. 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. There are flush kits available in the market that can help you do the job yourself. dash and headlights RESET PROCEDURE With the ignition off, press the TRIP and RESET buttons at the same time you turn on the ignition. Specifically replace the condenser, evacuated, and recharge the AC system with R134 refrigerant on a 2002 Dodge Caravan minivan. The sound is most prominent right after you start the vehicle. It will be anywhere from $1000 tp $1500 to have a garage do the work. This vehicle was purchased in July 2014 and as of July 2015, the REAR Air Conditioning unit has stopped working. 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. Diana Braun began her writing career as a consultant and technical writer for a software company focusing on how-to, training, white paper, and internal process documentation. Leak discovered. 1. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. There are many reasons why air conditioning may not be working properly on your Dodge Grand Caravan. To improve heating efficiency, it is recommended to switch on air recirculation mode. Caravan fan and ac not working 1 Answer. If you turn it to heat, does the air get hotter? Once we know what the actual charge is in the system then we can start narrowing it down to just the rear system and a possible door motor issue but if the charge is weak then we will not fix it unless we check this first.
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