
Replacing the mullion with gaskets on a KitchenAid refrigerator is a crucial maintenance task that ensures the appliance's energy efficiency and optimal performance. Over time, the mullion—a vertical bar that separates the refrigerator and freezer compartments—can wear out, leading to cold air leaks and increased energy consumption. By installing new gaskets, you can create a tighter seal, preventing cold air from escaping and warm air from entering. This not only helps in maintaining consistent temperatures within the refrigerator but also reduces the workload on the compressor, potentially extending the lifespan of your appliance. In this guide, we will walk you through the step-by-step process of replacing the mullion with gaskets on your KitchenAid refrigerator, ensuring you have the necessary tools and knowledge to complete the task effectively.
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What You'll Learn
- Preparation: Gather tools and materials, including new gaskets, screwdriver, and cleaning supplies
- Removal: Carefully detach the old mullion from the refrigerator door using a screwdriver
- Cleaning: Thoroughly clean the area around the mullion to ensure a proper seal with new gaskets
- Installation: Align and press the new gaskets into place, ensuring they are secure and properly seated
- Testing: Close the refrigerator door and check for any air leaks or gaps around the new gaskets

Preparation: Gather tools and materials, including new gaskets, screwdriver, and cleaning supplies
Before embarking on the task of replacing the mullion with gaskets in a KitchenAid refrigerator, it is crucial to gather all the necessary tools and materials. This preparation phase ensures that the process runs smoothly and efficiently, minimizing the risk of errors or delays. The essential items for this task include new gaskets specifically designed for the KitchenAid refrigerator model, a screwdriver that matches the screws on the mullion, and a set of cleaning supplies. The cleaning supplies should consist of a mild detergent, warm water, and a soft cloth or sponge to clean the area around the mullion before installing the new gaskets. It is important to ensure that the gaskets are of the correct size and type to guarantee a proper seal and prevent any potential leaks or drafts.
Once the tools and materials are gathered, it is advisable to lay them out in an organized manner to facilitate easy access during the replacement process. This can help in reducing the time spent searching for specific items and improve overall efficiency. Additionally, it is recommended to unplug the refrigerator before beginning the task to ensure safety and prevent any electrical hazards.
In some cases, it may be necessary to remove the refrigerator doors to access the mullion. If this is required, it is important to have a clear understanding of the door removal process and to follow the manufacturer's instructions carefully. Failure to do so could result in damage to the refrigerator or injury to the individual performing the task.
After gathering the tools and materials and ensuring that the refrigerator is safely prepared for the task, the next step is to remove the old mullion. This involves carefully unscrewing the mullion from its mounting points and gently pulling it away from the refrigerator. It is important to handle the mullion with care to avoid damaging it or the surrounding areas.
With the old mullion removed, the area should be thoroughly cleaned using the prepared cleaning supplies. This step is crucial as it helps to remove any dirt, debris, or residue that could interfere with the proper installation of the new gaskets. Once the area is clean and dry, the new gaskets can be installed by carefully aligning them with the mounting points and gently pressing them into place. It is important to ensure that the gaskets are properly seated and that there are no gaps or misalignments.
Finally, the mullion can be reinstalled by carefully aligning it with the new gaskets and securing it with the screws. It is important to tighten the screws evenly to avoid damaging the gaskets or the mullion. Once the task is complete, the refrigerator doors can be reattached, and the appliance can be plugged back in.
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Removal: Carefully detach the old mullion from the refrigerator door using a screwdriver
To begin the process of replacing the mullion with gaskets on a KitchenAid refrigerator, the first step is to carefully detach the old mullion from the refrigerator door. This task requires precision and attention to detail to avoid damaging the door or the mullion itself. Start by locating the screws that secure the mullion to the door. These screws are typically found at the top and bottom of the mullion, and they may be covered by a decorative cap or trim piece.
Once the screws are located, use a screwdriver that fits the screw head to gently loosen them. It's important to apply steady, even pressure to avoid stripping the screws or causing the mullion to snap off prematurely. As the screws are removed, carefully lift the old mullion away from the door, taking note of how it is positioned and any additional clips or fasteners that may be holding it in place.
After the old mullion is removed, inspect the area for any residue or debris that may have accumulated over time. This is an opportune moment to clean the surface thoroughly with a mild detergent and a soft cloth, ensuring that the area is dry and free of any contaminants before installing the new gaskets.
When preparing to install the new gaskets, it's essential to ensure that they are the correct size and type for your specific KitchenAid refrigerator model. Gaskets that are too small or too large may not provide an adequate seal, leading to energy inefficiency and potential food spoilage. Additionally, using the wrong type of gasket can result in damage to the refrigerator door or the gaskets themselves.
To install the new gaskets, align them carefully with the grooves on the refrigerator door, starting at one end and working your way to the other. Press the gaskets firmly into place, ensuring that they are seated properly and that there are no gaps or air pockets. Once the gaskets are installed, reattach the mullion to the door using the screws that were previously removed. Tighten the screws securely, but be careful not to overtighten them, as this can cause the gaskets to become compressed and lose their sealing ability.
Finally, test the seal by closing the refrigerator door and checking for any air leaks around the edges. If you notice any gaps or drafts, adjust the gaskets or the mullion as needed to ensure a tight, energy-efficient seal. With the new gaskets and mullion in place, your KitchenAid refrigerator should be operating at peak efficiency, keeping your food fresh and your energy bills low.
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Cleaning: Thoroughly clean the area around the mullion to ensure a proper seal with new gaskets
Before installing new gaskets on your KitchenAid refrigerator, it's crucial to thoroughly clean the area around the mullion. This step ensures that the new gaskets will form a proper seal, preventing cold air from escaping and maintaining the refrigerator's efficiency. Start by removing any debris or old gasket material from the mullion area using a soft brush or cloth. Be gentle to avoid scratching the surface.
Next, use a mild detergent solution to clean the area. Avoid using harsh chemicals or abrasive cleaners, as these can damage the refrigerator's finish. Dip a soft cloth into the solution and gently wipe down the mullion and surrounding area. Pay special attention to any crevices or corners where dirt and grime may accumulate.
After cleaning, dry the area thoroughly with a clean, dry cloth. It's important to remove all moisture to prevent any water from getting trapped between the new gaskets and the refrigerator, which could lead to mold or mildew growth. Once the area is completely dry, inspect it for any remaining debris or residue. If necessary, repeat the cleaning process until the area is spotless.
When the mullion area is clean and dry, you're ready to install the new gaskets. Ensure that the gaskets are the correct size and type for your KitchenAid refrigerator model. Carefully align the gaskets with the mullion and press them into place, making sure they are seated properly and form a tight seal. Test the seal by closing the refrigerator door and checking for any air leaks around the mullion area.
Regular maintenance, including cleaning and replacing gaskets as needed, is essential for keeping your KitchenAid refrigerator running efficiently. By following these steps, you can ensure that your refrigerator maintains optimal performance and helps you save on energy costs.
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Installation: Align and press the new gaskets into place, ensuring they are secure and properly seated
Begin by carefully aligning the new gaskets with the designated slots on the refrigerator door. It's crucial to ensure that the gaskets are properly seated to maintain an airtight seal, which is essential for the refrigerator's efficiency and performance. Gently press the gaskets into place, starting from one end and working your way to the other. Be cautious not to stretch or force the gaskets, as this can compromise their integrity and effectiveness.
As you install the gaskets, pay close attention to any resistance or misalignment. If you encounter any issues, double-check the positioning and gently adjust as needed. It's important to avoid over-tightening the gaskets, as this can cause warping or damage to the refrigerator door. Once the gaskets are in place, inspect them for any gaps or irregularities. If you notice any problems, remove the gaskets and re-install them, ensuring a proper fit.
To guarantee a secure installation, it's recommended to use a gasket adhesive or sealant. Apply a small amount of adhesive to the back of the gaskets before pressing them into place. This will help to create a strong bond between the gaskets and the refrigerator door, preventing them from shifting or coming loose over time. Be sure to follow the manufacturer's instructions for the adhesive, and allow sufficient time for it to dry and cure.
After installing the new gaskets, it's essential to test their effectiveness. Close the refrigerator door and check for any air leaks around the edges. If you suspect a leak, inspect the gaskets for any damage or misalignment, and make adjustments as necessary. Regularly checking and maintaining the gaskets will help to ensure the longevity and efficiency of your KitchenAid refrigerator.
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Testing: Close the refrigerator door and check for any air leaks or gaps around the new gaskets
After installing the new gaskets on your KitchenAid refrigerator, it's crucial to ensure they are functioning correctly to maintain optimal temperature and energy efficiency. Close the refrigerator door gently but firmly, ensuring that the gaskets make proper contact with the door frame. Inspect the gaskets for any signs of misalignment or gaps that could allow cold air to escape. Pay particular attention to the corners and edges, as these are common areas for leaks to occur.
To perform a more thorough test, you can use a flashlight to illuminate the gaskets from inside the refrigerator while the door is closed. This will help you identify any small gaps or imperfections that might not be visible to the naked eye. Additionally, you can run your hand along the length of the gaskets to feel for any irregularities or areas where the seal is not tight.
If you suspect that there might be a leak, try the "dollar bill test." Place a dollar bill between the gasket and the door frame, then close the door. If you can easily pull the bill out without resistance, it indicates that there is a gap in the seal. This test can help you pinpoint the exact location of the leak, allowing you to make necessary adjustments or replacements to the gaskets.
Remember to check both the refrigerator and freezer compartments, as both require a tight seal to operate efficiently. Regularly inspecting and maintaining the gaskets can help prolong the life of your refrigerator and ensure that it continues to perform at its best. By taking the time to properly test the gaskets after installation, you can prevent potential issues and save on energy costs in the long run.
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