Removing the rear panel of the refrigeration unit is perhaps the most common operation that a home craftsman encounters when trying to repair it himself. Often the reason for turning to the rear of the housing is the need to replace thermostat, check the integrity of the compressor, or eliminate extraneous noise that the motor makes. Unlike disassembling the interior of the camera, access to the technical compartment from the outside seems simpler, but requires strict adherence to safety precautions.
Before taking up the tools, you must clearly understand that you are going to work with an electrical device connected to a 220-volt network. Even if you just want to clean the capacitor from dust, ignoring electrical safety rules can lead to serious consequences. In addition, an incorrect dismantling sequence can damage the fragile plastic of the panel or break the tightness of the thermal insulation.
In this material we will analyze in detail the algorithm of actions that will allow you to carefully dismantle the back wall without damaging the fasteners and maintaining the integrity of all communications. You will learn what tools are needed to work with different types of fasteners, and why some models require a special approach to dismantling.
Preparation of the workplace and necessary tools
The success of any repair operation depends 80% on proper preparation. You don't need complex professional equipment, but the set should be complete so as not to be distracted by searching for a screwdriver in the middle of the process. Pay special attention to organizing the space around the refrigerator: you will need free access from all sides, and not just from the back.
To perform work on dismantling the rear panel, you will need the following basic set of tools:
- 🔧 Phillips and slotted screwdrivers (preferably magnetic, so as not to drop the screws deep into the case).
- 🔧 Set of open-end wrenches or socket heads (sizes 8, 10 mm are often used).
- 🔧 Pliers or pliers for working with clamps and clamps.
- 🔧 Flashlight or headlamp for illuminating darkened niches unit.
- 🔧 Container for folding fasteners so as not to lose small screws.
It is critically important to completely complete the de-energize device before starting any manipulations. Simply turning off the button on the case is not enough - you need to remove the plug from the socket. If the outlet is located in a hard-to-reach place, it is better to turn off the machine in the electrical panel. This rule is fundamental to prevent electric shock.
⚠️ Attention: If your refrigerator is built into a kitchen unit, it must be pulled out before removing the back wall. Make sure that you will not damage the floor covering and will be able to provide access to the side walls for dismantling.
☑️ Preparation for dismantling
Design features and types of fastenings
Structurally, the rear wall of the refrigerator is a sheet of metal or durable plastic that blocks access to the compressor, capacitor and start relay. Depending on the manufacturer and year of manufacture of the model, the methods of fixing this panel may differ radically. Understanding the type of fastening will help you avoid breaking the latches or breaking the thread.
There are several main types of fixing the rear panels:
- 🔩 Screw connection is the most common option, where the panel is screwed around the perimeter with self-tapping screws.
- 🔩 Latches (clips) - often found in modern models LG i Samsung, require careful snapping with a plastic tool.
- 🔩 Combined type - the screws are hidden under decorative plugs or are located inside a niche.
In some models, especially old Soviet refrigerators or industrial units, the panel can be welded or glued. In such cases dismantling without damaging the integrity of the metal, it is almost impossible, and it is more about cutting out a technological hole. However, in household appliances, 99% of cases use a removable connection.
Models with the system deserve special attention. No Frost. They can have a double back wall: an outer metal one and an inner plastic one, behind which the air ducts are hidden. They should not be confused: to access the motor, it is the outer metal cover at the bottom of the unit that is removed.
Why can’t you tear off the panel by force?
If the panel does not come off after unscrewing all visible screws, it means you missed the hidden fasteners. The use of force will lead to deformation of the metal and disruption of the geometry of the door or body, which will make subsequent assembly impossible without replacing parts.
Step-by-step instructions: how to remove a metal panel
The process of removing a metal back wall requires consistency and care. First, visually inspect the perimeter of the panel. Often the screws are located not only at the edges, but also in the center, or hidden under stickers with technical information. Carefully pry off the sticker, check if there are fasteners under it, and only then proceed to unscrew it.
Follow the steps in the following order:
- 🛑 Move the refrigerator from the wall at least 1 meter for convenient work.
- 🛑 Remove all visible screws around the perimeter of the back cover, using a suitable screwdriver.
- 🛑 If the screws are rusty, pre-treat them with a penetrating lubricant (for example, WD-40) and wait 10-15 minutes.
- 🛑 Gently pull the panel towards you, shaking it slightly to remove it from the grooves.
You cannot jerk the removed cover sharply. Inspect the inside: if you see running wires, carefully disconnect the connectors or unscrew the terminals, having previously photographed their position. This will help to avoid mistakes during reassembly.
After removing the panel, it is recommended to immediately clean the accessible elements from dust. The compressor and condenser are often covered with a layer of dirt, which impairs heat transfer. Use a soft brush or a vacuum cleaner with a narrow nozzle, but be careful not to damage the thin radiator tubes.
Working with plastic panels and latches
Modern manufacturers Plastic is increasingly being used to make technical back covers. This reduces the weight of the product and the cost of production, but adds complexity to repairs. Plastic, especially on old refrigerators, becomes brittle and can burst if handled carelessly. Latches require a special approach.
To work with plastic panels, it is better to use not metal screwdrivers, but special plastic spatulas or old bank cards. The metal may leave scratches or crack the plastic where it touches. The movements should be progressive and soft: insert the tool into the gap between the body and the panel and slowly move along the perimeter, snapping the latches.
The table below will help identify typical problems when removing panels of different types:
| Panel type | Main difficulty | Recommended action |
|---|---|---|
| Metal | Rust on screws | Use penetrating lubricant |
| Plastic (clips) | Fragility of plastic | Warming with a hairdryer (carefully) and using a spatula |
| Combined | Hidden fasteners | Careful visual inspection and palpation |
If the plastic panel is held very tightly and you cannot find the screws, it may be fixed with sealant or glue. In this case, you can carefully heat the joints with a hair dryer at a minimum temperature to soften the adhesive layer. Do not overheat the plastic, otherwise it will become deformed and become unsuitable for reinstallation.
⚠️ Attention: When working with plastic elements, avoid using sharp metal objects as a lever. One wrong movement can split the fastening ear, and the panel will no longer hold on, which will require the purchase of a new part.
Access to the compressor and electrical circuit
After successful dismantling of the rear wall you have access to the “heart” of the refrigerator - the compressor, as well as the start-up relay and capacitor. This is where diagnostics or replacement of faulty components is most often required. However, simply removing the wall is only half the battle; it is important to correctly navigate the space.
At the bottom of the unit, usually on the left or right side (depending on the model), there is a black cylindrical or cubic element - this is the motor-compressor. Next to it is a control unit covered with a plastic casing. To access the relay contacts, it is often necessary to remove another, smaller cover or simply bend the clamps.
When working in this area, take the following precautions:
- ⚡ Do not touch the copper condenser tubes with sharp objects - breaking the tightness of the freon system is fatal to the refrigerator.
- ⚡ Before disconnecting the relay wires, be sure to take a photo or a connection diagram, since the color marking may not correspond to the standard.
- ⚡ Avoid sharp tugs on the wires going to the thermostat, so as not to break them inside the insulation.
If your goal is to replace the compressor, remember that this will require additional tools: pipe cutter, torch and vacuum pump. Performing this operation on your own without experience and equipment is extremely difficult and risky. Most often, the start relay is replaced through the back wall or the fan is cleaned (in models No Frost).
Common mistakes and precautions
Even experienced craftsmen sometimes make mistakes errors that can lead to additional costs. The most common of them is the loss of fasteners. Small screws tend to roll under the refrigerator or fall inside the case, creating a ringing sound during subsequent operation of the compressor. Use a magnetic tray or tape the screws to the cardboard immediately after unscrewing.
Another mistake is ignoring the condition of the seals on the back wall or in the place where it fits. gaskets that provide sound insulation and protection from moisture. If removed carelessly, they tear or lose elasticity. If the gasket is damaged, it is better to replace it, otherwise the refrigerator will operate noisier, and dust and moisture will enter the technical compartment.
It is also worth mentioning the risk of damage to the thermal insulation. In some models, there is a layer of polyurethane foam behind the back wall. If you damage it deeply, this can damage it. temperature conditions of the refrigeration chamber. Any damage to the insulation should be immediately repaired with mounting foam or a special sealant.
⚠️ Attention: If during the removal process you find traces of oil under the compressor or on the tubes, this is a signal of a freon leak. data-i="131">Attention:
Following these simple rules will allow you to safely remove the back wall of the refrigerator and perform the necessary repairs or maintenance. Remember that accuracy and care are the main tools of the home craftsman.
Is it possible to remove the back wall without moving the refrigerator completely?
Theoretically it is possible if you have a very narrow screwdriver and thin fingers, but this is extremely inconvenient and increases the risk of dropping the screw inside the mechanism or damaging the wiring. It is recommended to provide access from all sides.
What to do if the screws on the back wall are stripped?
If the screw head is licked, try using a rubber band between the screwdriver and the screw for better results. clutch, or use an extractor to unscrew it. In extreme cases, the screw can be carefully drilled out.
Is it necessary to drain the freon before removing the rear panel?
No, the rear metal or plastic panel is an external casing and is not directly connected to the sealed refrigerant circuit. repairing the tubes themselves or replacing the compressor.
Why did the refrigerator become louder after assembly?
Most likely, you did not secure the panel well and it resonates with the vibration of the compressor, or you forgot to install the rubber damper pads. Check the tightness of the wall and the presence of all screws.