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Sub Zero Gasket Replacement

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Sub Zero Gasket Replacement 3

If you have reached here assuming Sub Zero gasket replacement is a simple task, think again! If you are unsure of doing this, do not bother and call a professional. If you are sure you have enough qualifications, read on. You can always contact us to put your Sub-Zero gasket on your door, even if you worsen the situation by fixing it yourself. We love working with Sub-Zero appliances and we have the best service techs for Sub Zero gasket  replacement in Austin area. They are a challenge, and as these beautiful appliances get older, we get more and more calls about changing gaskets.

It is just a rubber seal with some bolts connecting it to a door, many of our clients try to take it on themselves, which we value to see. However, the truth is that a Sub-Zero gasket installation is not an easy job. It takes a lot of skill and patience. Check out the video where our professional technician performs the replacement of gaskets and shows a step-by-step guide.

The first Step in Sub zero gasket replacement

The first problem is that the gasket comes out of the folded package. Sometimes, when the gasket has been in the package for a long time, it will be deformed. While it does have a “memory” of how it should sit, it will take its original form after a few days of installation. However, Sub Zero still says to remove the gasket from the box and use a hair dryer in the areas where it bends. We have done this for years, but there are a few better ways. We will get to that later.

There are many videos and instructions for installing refrigerator door gaskets. Some methods might seem a bit messy. We tried them all, and still we were not satisfied with the results. Below are two popular methods of preparing a Sub Zero gasket replacement. Again, we do not use any of these gasket preparation methods. 

Method One: Do not open the box fully; cut a hole in the middle and put a blow dryer in the hole. Allow 15 minutes for the warm setting of your blow dryer to evenly heat the box’s contents. Open the box, remove the gasket, and place it on the floor stretched out as if it were sitting on the unit’s door. Allow it to settle for 15 minutes. If irregularities exist, use a blow dryer to heat those areas and mold them back into place with your hands.

Method Two: Rinse the gasket in a warm bath in the sink. Not a scolding hot tub. Keep the gasket submerged in water for 15 minutes. Spread the pad on the floor with a towel. Now, it should be straight, not twisted or disfigured. Pat it dry with towels; it doesn’t have to be bone dry before putting it on. This method can be wet and dirty, and we never use it, but supposedly works great because it provides uniform heating around the gasket.

Start pulling out the old gaskets from the door.

Without any preparation, we remove the gasket from the box and install it without a hot gun or hot tub soak. I always start at the top and move down in sections. Please do not remove the gasket altogether. Instead, remove it piece by piece at a time. I don’t even remove the metal strips that keep the gasket. Instead, I remove a few bolts but loosen the rest evenly throughout the strip. After loosening, the old gasket can be pulled out, and the new one inserted in its place. Look at this picture on the right to understand what I mean. With a little effort, the new gasket should slip right behind the metal strips and fall into place.

Do not tighten the bolts yet!

Now you have to get used to it. Remove a few bolts, insert a new gasket, insert the bolts back, and do not tighten them; we do not tighten the bolts completely to the end. Right now, they’re tightening enough to hold the gasket on the door. Slowly walk around the door. Remove the old gasket a few feet at a time, insert the new gasket, screw in the bolts slightly so that it holds onto the gasket.

The edge of the gasket must be inserted into the metal strip.

When you insert a new gasket into the metal strips, you will realize that the strips have a small groove where they are attached to the metal protrusion on the gasket. This is the gasket’s protrusion, and it must be well positioned in the metal strip. You do this by putting the gasket in place and pulling on the outer edge (thick part) of the gasket.

The bolt should be loosened enough that when the gasket is pulled, it gives in but tight enough that it does not pop out. If it pops out, insert it back into the metal strip and try again.

Get ready to tighten the bolts.

It is extremely important to make sure that your gasket is installed correctly. Look at the corners of the doors. I bet you noticed a lot of sagging here. This is normal because all of your bolts are relatively loose. If there is additional slack at the bottom or top, move the gasket with your hand until the slack disappears and is evenly distributed over the door.

With your hands, you must ensure the corners look nice and neat; they should be rolled up and fit snugly to the door frame. Look at the image below to see what I mean by a bad installation compared to a good one. Once we are in a “good position” and everything is neatly tucked in, we are ready to tighten the bolts.

Finishing Sub Zero Gasket Replacement. 

It’s all right; the gasket looks nice. Let’s start tightening the bolts; don’t tighten them too much; otherwise, they will come off. If they do unscrew and do not tighten, take some silicon, fill the hole with it, and insert the screw back, just so that it is sealed. Go around the door. Ensure there is not too much sagging in one place or another. Tighten these bolts! Patience, keep checking if there is any slack. Almost finished.

After Sub Zero gasket replacement in finished, the door should close the same way as before. If it needs adjustment, you can check the top of the door to see your door hardware and adjust by loosening and moving the door; this is not necessary if the gasket installation went according to plan. Take a look at the video to see the beautiful installation!

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