2018 Dodge Grand Caravan Rear Ac Not Blowing? Find Quick Solutions Here
The 2018 Dodge Grand Caravan’s rear AC not blowing is a common issue that can cause discomfort for passengers. However, there are several potential solutions to this problem. In this article, we will explore troubleshooting steps and DIY fixes to help restore the rear AC’s functionality and keep everyone cool during the summer heat.
In the sweltering heat of a summer’s day, there is nothing worse than climbing into your 2018 Dodge Grand Caravan, only to find that the rear AC is not blowing cool air. As beads of sweat trickle down your forehead, you realize that the comfort of your passengers in the backseat is at stake.
But fear not, as a solution is within reach. Whether you’re planning a long road trip with the family or simply shuttling friends around town, it’s crucial to ensure the optimal functionality of your vehicle.
The issue of the rear AC not blowing in your 2018 Dodge Grand Caravan can be a frustrating one, leading to discomfort and even potential passenger complaints. Fortunately, in this article, we will delve into the quick solutions that can put an end to your AC woes. From troubleshooting common problems to exploring potential DIY fixes, we have you covered.
So buckle up, as we’re about to embark on a journey to restore comfort and ensure that everyone aboard your Grand Caravan can enjoy a cool, refreshing breeze.
- Application: For Dodge Caravan 2012-2015; for Chrysler Town and Country 2012-2016
- Function: Greatly fix your leaky air conditioning without the loss of refrigerant from the rear lines or evaporator
- Feature: The kit allows for front A/C operation without the loss of refrigerant from the rear lines or evaporator
- Package comes with two rear block off kit, sealing gasket and assembly screws, made of high quality aluminun material with high corrosion resistance
- Note: Please review all the product information to make sure this is what you want before placing an order
- [Material]: The products are made of Aluminum CNC materials
- [Adaptation]: 2004-2011 Town & Country, Caravan & Grand Caravan.Rear A/C Air Conditioning Block Off Kit Replacement for 2004 2005 2006 2007 2008 2009 2010 2011 Dod-ge Caravan Grand Caravan Town Country
- [Function]:Our products allow you to cancel the rear air conditioning system and use the front air conditioning system.High quality cold air is produced
- [Installation]:The product can be easily installed and is equipped with solid Metric Nuts and Bolts and O-rings
- [Package included]:2 * nuts, 2 * bolts ,2 * o-ring. (No installation instructions)
- 【NEEDS】As time goes by, your vehicle developed a problem where the air conditioning turned on but unable to cool or heat to the desired temperature. Probably due to the poor old lines were so corroded and damaged from road salt and thousands of hot/cold cycles, they couldn’t hold a charge or vacuum at all anymore. Simply replace rear ac lines you can regain a comfortable driving environment.
- 【DIRECTLY REPLACED】The high and low pressure pipes of the rear air conditioner have been pressure tested and can withstand high pressure, it can be replaced directly, even without removing the old wire. And our rear air condition lines are full length, made with high pressure rubber and CNC machined OEM style fittings on each end. Our fittings bolt right up to the original system so there are no adapters needed.
- 【PREMIUM QUALITY】Long life-span matters, that is why our AC line hose is composed of high quality rubber and aluminium，flexible AC isolation hose , which can effectively prevent corrosion and rust, greatly increase the service life even in salt water environment.
- 【FITS】Compatible with 2012-2019 Dodge Caravan Chrysler Town & Country Minivans，Replace# C68100 . Inclding 2 rear AC high and low pressure line (suction and discharge rear lines), nuts, spacers, studs, zipper ties and a pre installation instruction.
- 【10-YEARS WARRANTY】 If for any reason at all, you are not fully satisfied with a/c cooling system, simply contact us through amazon message at any time. We will provide comprehensive quality assurance for our product.
- Air conditioning systems must use HNBR seals, not NBR or Viton!!! After some buyers’ feedback, we have upgraded to use HBNR O rings(raw materials are more environmentally friendly& durable& high temperature and cold resistance) instead of NBR O rings, No leak anymore!
- All the kit is Quality engineered and manufactured complete with HNBR O Rings, nuts, and bolts(M20 x 1.5 & M22 x 1.5) and basic instructions. Perform better than other common items, you will see!
- This is an AC Block Off Replacement for 2004-2011 CHRYSLER TOWN＆COUNTRY and DODGE CARAVAN (Some of them may be different, check before you buy).
- This Rear A/C Block Off Kit allows for front air conditioning operation without the loss of refrigerant from the rear lines or evaporator. No need to replace rear air condition lines or evaporators, Save a lot of money for you!
- We provide instructions on the page, you can feel free to download it. 3mirrors is a professional auto parts seller, we provide lifetime after-sale service, directly contact us if you have any questions.
- Compatibility: Rear Blower Motor for 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 Dodge Grand Caravan | 2006-2007 Dodge Caravan | 2006-2016 Chrysler Town and Country | 2017-2019 Chrysler Pacifica Van | 2007-2017 Ford Expedition | 2006-2010 Jeep Commander | 2007-2021 Lincoln Navigator | 2012-2015 Ram C/V | 2009-2014 Volkswagen Routan | 2020-2021 Chrysler Voyager
- Premium Performance: LCWRGS HVAC heater blower motor are built to achieve or exceed OE standard, manufactured with silicon steel rotor punching plate to reduce friction and improve durability, precision assembled and balanced wheel for Quiet operation
- Part Number: 700234, 5183147AC, 5183147AB, PM9367, 76942 Blower motor ; Direct OEM design AC blower motor for easy installation without special tools, it fits popular vehicles as 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 Dodge Grand Caravan Chrysler Town Country Pacifica Ford Expedition Jeep Commander Lincoln Navigator VW Routan Ram C/V
- Improved Blower Motor: If your automotive air conditioning system is experiencing weak airflow from vents/unusual noises/vibrations, Pls replace your AC heater blower motor. Check the “Amazon Part Finder” to make sure you get the right blower motor
- Package Content: 1PC HVAC Heater blower motor; 24-Month-Warranty; If you have any issues or problems about the hvac heater blower motor please reach out to us at any time we will hep you resolve by our best
- 【Application】The Rear Auxiliary AC Hose Kit fits for Dodge Caravan / Grand Caravan and for Chrysler Town & Country Minivans , for Volkswagen Routan 2012-2019.
- 【Save Time and Affordable】When the AC line is leaking, the expensive original aluminum rear lines is really hard to install on your vehicles. So, we recommend to use our flexible rubber high pressure line instead of the aluminum one. Our rubber lines can fish through and around things, it is full length enough, no need to dismantle a variety of components.
- 【Material】 The high pressure lines are made of high quality rubber, which is flexible, durable and anti-rust and corrosion. The fittings are constructed from steel, no deformation and high strength.
- 【Easy to Install】When you install our high pressure rubber AC lines, there is no need to remove the old AC lines. You can just run our new line alongside your old line. No special tools or stitching required. The fittings can just bolt up to the original system, no adapters needed
- 【Satisfaction Guarantee】If you’re not 100% satisfied with this product, simply return it for a money-back in 30 days, guarantee with 12 months’ warranty.
- Fitment: For Dodge Caravan, for Grand Caravan, for Chrysler Town and Country, for R-134A R-123YF Air Conditioning System 2004-2011
- Function: This AC block off kit is designed to block off your rear air system to fix refrigerant leak on the A/C lines
- High side or small line thread dimensions measure M20*1.5 thread metric; Low side or large line threads dimensions measure M22*1.5 thread metric
- Feature: Easy installation without the loss of refrigerant from the rear lines or evaporator
- Note: Some 2004’s may use the 2003 kit and some 2011’s may NOT work, please carefully compare the picture with your old one
- Air conditioning systems must use HNBR seals, not NBR or Viton!!! Our upgrade kit includes HNBR O Rings(raw materials are more durable& high temperature and cold resistance). You’ll see how well it works!
- This Rear A/C Block Off Kit was CNC manufactured and 304 stainless steel kit nuts & bolts (M20 x 1.5 & M22 x 1.5) + basic instructions
- There is no need for any modification of the front air conditioning lines. Simply disconnect the rear lines and install this kit. This allows for front air conditioning operation without the loss of refrigerant from the rear lines or evaporator. Thus, makes it unnecessary to absorb the costly replacement of the rear air conditioning lines or evaporator
- Replacement for 2004-2011 CHRYSLER TOWN＆COUNTRY and DODGE CARAVAN (Some of them may be different, please check before you buy)
- 3mirrors Brand is a professional brand auto parts dealer for many years, focusing on the experience of each customer. The package also comes with instructions. Any questions, please feel free to contact us for help. Thanks for your choice
- Guaranteed Exact Fit for easy installation
- 100% BRAND NEW, premium ISO/TS 16949 quality – tested to meet or exceed OEM specifications
- Engineered for superior durability, backed by a one year, unlimited-mileage warranty
- This is the rear evaporator for models with rear AC, usually located under one of the front seats. Your vehicle also has a front evaporator under the dash, so please verify which one you need to replace before ordering
- Fits 2012-2016 Dodge Grand Caravan and Chrysler Town & Country
- 【Compatible With】MuHize AC hoses air conditioning replacement lines compatible with Dodge Caravan /Dodge Grand Caravan/Chrysler – Country & Town Minivans 2012 2013 2014 2015 2016 2017 2018 2019 perfectly.
- 【PREMIUM Material】MuHize air conditioning hose lines are made of high quality rubber and premium steel and with corrosion resistance, high temperature resistance, long service life.
- 【Easy Installation】MuHize rear ac line set is easy and simple installation. Step 1 : Locate the broken or failing line. Step 2: Remove the AC line. Step 3: Replace the o-ring. Step 4: Install the new line. Begin with one end and place it into the fitting. Step 5: Use zipper ties to tie and wrapped the AC Hoses. Take a moment to double check your work.
- 【Package Include】Complete rear full length AC hoses set kit. Including 2 rear AC high and low pressure line (suction and discharge rear lines), nuts, spacers, studs and zipper ties.
- 【Advantage】Compared to the traditional way of replacing the entire system, the rear AC air conditioner line set can directly replace the damaged or aging line components, avoiding the extra replacement of the whole system. MuHize fittings bolt right up to the original system so there are no adapters needed.
I. Common Causes of Rear AC Failure in 2018 Dodge Grand Caravan
A. Blocked or Restricted Airflow
One of the most common reasons why the rear AC in your 2018 Dodge Grand Caravan may not be blowing cool air is due to blocked or restricted airflow. Several factors can contribute to this issue, including:
1. Clogged air filter
The air filter in your vehicle prevents dust, dirt, and debris from entering the cabin. Over time, the air filter can become clogged, restricting airflow and diminishing the cooling capacity of the rear AC system. A clogged air filter will need to be replaced to restore proper airflow.
2. Blocked air ducts
The air ducts are responsible for channeling cool air from the AC system to the rear of the vehicle. If these ducts become blocked or obstructed by debris, the airflow to the backseat will be severely restricted. Inspecting and clearing any blockages in the air ducts can help resolve this issue.
B. Malfunctioning Blower Motor
The blower motor is responsible for circulating the cool air produced by the AC system throughout the vehicle. If the blower motor malfunctions, the rear AC will not blow any air at all. Common issues with the blower motor include:
1. Blower motor failure
In some cases, the blower motor itself may fail, resulting in no airflow from the rear AC vents. If you suspect that the blower motor is faulty, it will need to be replaced to restore proper functioning.
2. Blower motor resistor failure
The blower motor resistor controls the speed of the blower motor. If the resistor fails, it can cause the blower motor to operate at only one speed or not at all. Replacing the blower motor resistor can resolve this issue.
C. Electrical Issues
Electrical problems can also contribute to the rear AC not blowing in your 2018 Dodge Grand Caravan. Common electrical issues include:
1. Faulty wiring connections
Loose or damaged wiring connections can disrupt the flow of electricity to the blower motor, preventing it from operating properly. Checking and repairing any faulty wiring connections can help resolve this issue.
2. Blown fuses or relays
If a fuse or relay related to the rear AC system blows, it can result in the rear AC not blowing any air. Inspecting and replacing any blown fuses or relays can restore proper functionality.
II. Troubleshooting Rear AC Not Blowing in 2018 Dodge Grand Caravan
When faced with the issue of the rear AC not blowing in your 2018 Dodge Grand Caravan, there are several troubleshooting steps you can take to identify and resolve the problem. Follow these step-by-step instructions to inspect and diagnose the issue:
A. Step-by-Step Inspection
1. Check the air filter: Begin by inspecting the air filter for any signs of clogging or dirt accumulation. If the filter is dirty, replace it with a new one to ensure proper airflow.
2. Inspect air ducts for obstructions: Next, examine the air ducts leading to the rear AC vents. Look for any blockages or obstructions that may be impeding airflow. Clear any debris or obstructions to allow for unrestricted airflow.
3. Test the blower motor: With the rear AC turned on, listen for the sound of the blower motor operating. If there is no noise, the blower motor may be faulty and will need to be replaced.
4. Examine the blower motor resistor: If you hear the blower motor operating, but it only functions at one speed or is not blowing air with enough force, the blower motor resistor may be the culprit. Replace the resistor to restore proper blower motor functionality.
5. Check for loose or damaged wiring connections: Inspect the wiring connections leading to the blower motor and other components of the rear AC system. Tighten any loose connections or repair any damaged wiring.
6. Inspect fuses and relays: Finally, locate the fuse box and check for any blown fuses or relays associated with the rear AC system. Replace any faulty fuses or relays to restore proper electrical function.
III. Fixing Blocked or Restricted Airflow in 2018 Dodge Grand Caravan Rear AC
A. Replacing the Air Filter
1. Location of the air filter: The air filter in the 2018 Dodge Grand Caravan is usually located behind the glove box or under the dashboard on the passenger side of the vehicle. Refer to the owner’s manual for the exact location.
2. Removing and replacing the air filter: To replace the air filter, remove any panels or covers necessary to access the filter. Unclip or unscrew the filter housing, remove the old filter, and insert a new filter. Ensure that the filter is properly seated and secure the housing back in place.
B. Clearing Blocked Air Ducts
1. Locating and accessing the air ducts: The air ducts for the rear AC in the 2018 Dodge Grand Caravan are typically located beneath the vehicle’s seats or behind trim panels. Use a flashlight and your hands to locate the ducts and remove any necessary panels or covers to access them.
2. Removing obstructions from air ducts: Inspect the air ducts for any debris, leaves, or other obstructions that may be blocking airflow. Use a vacuum cleaner or a soft brush to gently remove any obstructions. Be careful not to damage the ducts while cleaning.
IV. Repairing or Replacing the Blower Motor in 2018 Dodge Grand Caravan
A. Blower Motor Failure
1. Diagnosing blower motor failure: If the blower motor is not operating at all, it is likely the motor itself has failed. Consult a professional mechanic or follow a repair manual specific to your vehicle for guidance on how to diagnose and replace the blower motor.
2. Removing and replacing the blower motor: Once diagnosed, remove the faulty blower motor by disconnecting any electrical connections and removing any mounting bolts or screws. Install the new blower motor and reconnect all electrical connections and mounting hardware.
B. Blower Motor Resistor Failure
1. Symptoms of a faulty blower motor resistor: If the blower motor is functioning but only operates at one speed or not with enough force, it is likely the blower motor resistor has failed. Symptoms may include inconsistent airflow or the inability to adjust the fan speed.
2. Replacing the blower motor resistor: The blower motor resistor is typically located near the blower motor itself. Remove any necessary panels or covers to access the resistor. Disconnect the electrical connector and remove any mounting screws or bolts. Install the new resistor, reconnect the electrical connector, and secure any mounting hardware.
V. Addressing Electrical Issues with 2018 Dodge Grand Caravan Rear AC
A. Inspecting Wiring Connections
1. Examining connections for looseness or damage: Carefully inspect the wiring connections leading to the blower motor and other components of the rear AC system. Look for any loose or damaged connections that may be impacting electrical flow. Tighten any loose connections or repair any damaged wiring.
2. Repairing or replacing faulty wiring: If you find any wiring that is damaged beyond repair, it may need to be replaced. Consult a professional mechanic or follow a repair manual specific to your vehicle for guidance on how to properly repair or replace wiring connections.
B. Checking Fuses and Relays
1. Locating the fuse box: The fuse box in the 2018 Dodge Grand Caravan is typically located in the engine compartment or under the dashboard on the driver’s side of the vehicle. Refer to the owner’s manual for the exact location.
2. Testing and replacing blown fuses or relays: Use a fuse tester or visually inspect the fuses and relays associated with the rear AC system. Replace any blown fuses or relays with new ones of the same amperage rating.
VI. Additional Considerations for Fixing Rear AC Not Blowing in 2018 Dodge Grand Caravan
A. Proper Maintenance
1. Regularly replacing air filter: To maintain optimal AC performance, it is recommended to replace the air filter in your 2018 Dodge Grand Caravan at regular intervals. Refer to the owner’s manual for the recommended maintenance schedule.
2. Cleaning air ducts: In addition to replacing the air filter, periodically inspect and clean the air ducts to remove any buildup of dust, dirt, or debris. This will help ensure unrestricted airflow to the rear AC vents.
B. Seeking Professional Assistance
1. Consulting a certified mechanic: If you have exhausted all troubleshooting steps and are still unable to resolve the issue of the rear AC not blowing in your 2018 Dodge Grand Caravan, it is recommended to consult a certified mechanic. They will have the expertise and diagnostic equipment necessary to identify and fix the problem.
2. Considering warranty coverage: If your vehicle is still under warranty, be sure to check if the issue with the rear AC is covered. If so, contact the dealership or authorized service center to have the repairs done at no additional cost.
VII. Conclusion
In conclusion, the rear AC not blowing in your 2018 Dodge Grand Caravan can be attributed to various causes, including blocked airflow, malfunctioning blower motor, and electrical issues. By following the troubleshooting steps outlined in this article, you can identify and resolve the problem, restoring cool air to the backseat of your vehicle. Remember to perform regular maintenance and seek professional assistance if needed. Stay cool and enjoy the comfort of your 2018 Dodge Grand Caravan!
How To Fix Car AC That Blows Hot – Possible Causes
Why is the rear AC in my 2018 Dodge Grand Caravan not blowing?
Can I fix the rear AC myself?
How much does it cost to repair the rear AC in a 2018 Dodge Grand Caravan?
Is the rear AC covered under warranty?
What can I do to prevent rear AC issues in my Dodge Grand Caravan?
Final Summary: Troubleshooting and Resolving Issues with the Rear AC in a 2018 Dodge Grand Caravan
In conclusion, if you are experiencing the issue of the rear AC not blowing in your 2018 Dodge Grand Caravan, there are several potential causes to consider. Blocked or restricted airflow, due to a clogged air filter or blocked air ducts, can diminish the cooling capacity of the rear AC system.
Malfunctioning blower motor, including blower motor failure or blower motor resistor failure, can also result in no airflow or limited airflow from the rear AC vents. Additionally, electrical issues, such as faulty wiring connections or blown fuses/relays, can disrupt the operation of the rear AC.
To troubleshoot and resolve the issue, you can follow step-by-step inspection and diagnostic procedures. These include checking the air filter and clearing any obstructions from the air ducts, testing the blower motor and replacing it if necessary, inspecting and repairing wiring connections, and checking and replacing blown fuses or relays. Proper maintenance, such as regularly replacing the air filter and cleaning the air ducts, can help prevent future issues.
However, if you are unable to resolve the problem on your own, it is advisable to consult a certified mechanic. They have the expertise and diagnostic equipment to accurately identify and fix the problem. It is worth noting that if your vehicle is still under warranty, you should check if the issue with the rear AC is covered.
