Refrigerators Liebherr are deservedly considered the standard of reliability and energy efficiency, but even the most advanced equipment requires periodic maintenance. One of the most common problems that owners encounter after several years of use is the wear of the sealing lip on the door. It is tightness of the chamber responsible for maintaining cold and preventing ice from freezing on the back wall.
If you notice that the door has become loose or ice build-up has begun to appear inside, you cannot ignore this. Loss of tightness makes the compressor work wear and tear, which inevitably leads to higher energy bills and a shorter service life of the unit. In this article, we will look in detail at how to replace the seal yourself, without resorting to service centers.
The replacement process does not require complex engineering skills, but requires care and precision. Incorrectly installed rubber can cause the door to warp or the appearance of cracks through which cold air will escape. Accuracy of operations physical strength is more important here, so be patient.
Diagnostics of the condition of the sealing rubber
Before Rather than ordering a new part, you need to make sure that the problem lies in the seal and not in the hinges or adjustable feet. Visual inspection is the first stage of diagnosis. Carefully examine magnetic tape the entire perimeter of the door for cracks, tears or abrasions. Often the rubber loses its elasticity and becomes rigid, no longer fitting tightly to the body.
There is a simple and effective way to check the tightness, known as the paper test. Take a regular piece of paper or a banknote, clamp it with the refrigerator door and try to pull it out. If the paper is removed easily, without noticeable resistance, it means that there is insufficient pressure in this place. Carry out a test every 10-15 centimeters around the perimeter. downforce in this place is insufficient. Carry out a test every 10-15 centimeters around the perimeter.
Another sign of wear is a visual gap between the rubber and the metal body of the refrigerator. If you see a gap when the door is closed, the seal has become warped or compressed over time. Also pay attention to the condition corner jointsas this is where ruptures most often begin.
⚠️ Attention: If the seal has simply moved away from the groove, but the rubber itself is intact, it may be possible to glue it with a special compound without completely replacing it. However, if there are tears or the material crumbles, replacement is inevitable.
Choosing the appropriate seal model
Buying the first rubber you come across is a common mistake that can lead to the door not closing tightly. Seals for Liebherr have a unique profile geometry and dimensions, which may differ even for models of the same year of manufacture. The key parameter is catalog number your equipment.
You can find the model number on the nameplate located inside the refrigerator compartment (usually on the left side wall) or on the rear panel of the unit. Look for a combination starting with letters, for example, CBNes... or IKP.... It is by this code that the original seal profile is selected in the spare parts catalogues. seal profile.
If the original part is expensive or is out of stock, you can consider high-quality analogues. However, when choosing an analogue, it is critical to compare profile geometry the old and new seals. The shape of the “tongue” that is inserted into the groove and the location of the magnetic insert must completely coincide, otherwise the seal will be broken.
Necessary tools and preparation
Replacing the seal on refrigerators Liebherr does not require specialized expensive equipment. The entire necessary set of tools can be found in any home craftsman's drawer. The main thing is to prepare the workplace and provide good lighting, since some fastening elements may be hidden in the grooves.
For work you will need:
- 🔧 A screwdriver with a flat blade (for prying the edges of the seal)
- 🔨 A hammer (sometimes required for lungs tapping)
- 🌡️ Construction or household hair dryer (to soften rubber)
- 🧼 Soap solution and soft rags
- 🧴 Silicone-based lubricant
Special attention should be paid to preparing a new seal. If the part was stored in a warehouse or transported folded, it may have creases. Before installation, it is recommended to keep the rubber in a warm room or gently warm it with a hairdryer to return it to its original shape elasticity.
It is also necessary to thoroughly clean the seat on the refrigerator door from remnants of old glue, dirt and grease. Use a soap solution or a special degreasing agent for this. A clean surface will ensure reliable fixation of the new mounting profile.
Dismantling the old sealing element
The process of removing the old seal requires caution so as not to damage the plastic door body or inner lining. In most models Liebherr the seal is secured in a special groove using a plastic tongue. It is better to start dismantling from the upper corner of the door, carefully pulling off the rubber.
Use a flat-head screwdriver to slightly lift the edge of the seal, but do not use excessive force to avoid scratching the metal. Move around the perimeter, gradually releasing fastening profile from the groove. If the rubber is glued (which occurs in older models), it must be carefully trimmed or warmed with a hairdryer.
In some designs, the seal can be additionally fixed with screws in the corners or in the center of the sides. Carefully inspect the inside of the frame. If you find fasteners, they must be unscrewed before removing the rubber. This will provide free access to corner joints.
⚠️ Attention: When dismantling, proceed smoothly. A sharp jerking movement can lead to deformation of the plastic door body, which will be extremely difficult to fix without replacing the entire door.
☑️ Preparation for dismantling
Technology for installing a new seal
Installing a new seal is the most critical stage of the work. Installation should begin from the upper corner of the door, inserting the fastening profile into the groove. Make sure magnetic tape is positioned correctly and not twisted. Move sequentially from corner to corner, pressing the rubber tightly against the body.
If the new seal is too tight, use a hair dryer to lightly heat the material. This will make the rubber more pliable and help it fit into the groove more easily. However, do not overheat the material so as not to damage its structure. Distribute the sealant evenly around the entire perimeter, avoiding the formation of waves or swelling.
Wrinkles may form in the corners of the door. To remove them, carefully straighten the rubber with your fingers and press. In some cases, light tapping with a hammer through a soft cloth is required to finally seat the profile into the groove. Make sure that corner connections are sealed and have no gaps.
After complete installation around the entire perimeter, check for uniform fit. The seal should fit tightly, without sagging. If you notice areas where the rubber has come off, use a small amount of special glue for the seals, but try to get by with mechanical fixation.
What to do if the seal is longer than the groove?
If the new seal is a little longer (1-2 cm), it can be carefully trimmed at the bottom, where it is less noticeable. The main thing is to maintain the integrity of the magnetic insert at the cutting site.
Comparison of original and analog seals
When choosing a spare part, the owner is often faced with a dilemma: buy an original or save on an analogue. To help you make an informed decision, we have prepared a comparative table of characteristics.
| Characteristics | Original Liebherr | Quality analogue | Cheap analogue |
|---|---|---|---|
| Dimensional accuracy | Ideal | High | Low |
| Elasticity | Remains for years | Average | Tanes quickly |
| Service life | 7-10 years | 3-5 years | 1-2 years |
| Price | High | Average | Low |
Original seals Liebherr are made from special compounds that are resistant to temperature changes and exposure to detergents. They guarantee perfect fit - perfect fit without additional manipulations. The service life of such products is much longer.
High-quality analogues from well-known spare parts manufacturers (for example, Indesit or specialized brands) can be a good alternative if the original is discontinued. However, cheap Chinese copies often have an unpleasant odor and quickly lose their shape, which negates all repair efforts.
Checking the tightness and adjusting the door
After installing a new seal, you need to give it time to “sit down” and take its final shape. Leave the door closed for several hours (preferably overnight) so that the rubber expands under its own weight and the action of the magnets. After this, recheck the tightness.
Use the same test with a sheet of paper that was used for diagnosis. Now the sheet should be removed with noticeable force along the entire perimeter. If the pressure is weak in some places, you may need adjusting the hinges doors. Loosen the fastening bolts and slightly move the door in the desired direction.
Also check the operation of the open door alarm. When the seal is installed correctly and the door is closed, the sensor should respond instantly. If the refrigerator makes a beeping sound when the chamber is tightly closed, check whether the seal closing mechanism or the sensor.
⚠️ Attention: Technical characteristics and design of refrigerators may vary slightly depending on the year of manufacture and the specific series. Always check the official documentation for your model if you encounter non-standard fasteners.
Frequently asked questions (FAQ)
Is it possible to restore an old seal without replacing it?
You can temporarily restore elasticity by heating it with a hairdryer or soaking it in hot water. However, if there is physical damage or the rubber has begun to crumble, restoration will not have a long-term effect, and replacement of the seal will still be required.
How often do you need to change the seal on Liebherr?
The service life of the seal is on average 7-10 years. However, with intensive use, frequent opening of the door or use of aggressive detergents, this period can be reduced to 5 years. Regular checking the tightness will help to identify wear in time.
Why did the door begin to close tighter after replacement?
The new seal always has greater resistance when closing, since the rubber has not yet been developed and has a maximum elasticity. After 1-2 weeks of active use magnetic tape the rubber will rub in and the force will decrease.
Do you need to lubricate the new seal?
There is no need to lubricate the inside of the groove. However, it is useful to treat the outer surface of the rubber with silicone grease. This will prevent drying out, cracks and improve sliding when closing the door.