Depending on what is causing the noise you will have different solutions. Noise comes from several components. Fans and their motors and the compressor. As replacing the compressor is a difficult and expensive task, you may want to consider a more energy efficient fridge and replace it. Fans and motors are cheaper, especially if you do the work yourself. Below is an article on how to fix it if the problem is fan/motor problem. http://www.rd.com/familyhandyman/content/17464/4/
Your refrigerator may be noisy due to several reasons, such as a malfunctioning compressor, a faulty fan motor, or a build-up of debris around the condenser coils. Regular maintenance and cleaning can help reduce the noise level of your refrigerator.
Call a refrigerator engineer.
Depends on why it is noisy.
A noisy fuel pump can not be fixed. The pump can only be replaced when there is a problem with it.
To quiet a noisy refrigerator compressor, you can try placing rubber or foam pads underneath the compressor to reduce vibrations, ensuring the refrigerator is level, and cleaning the coils to improve airflow. If the noise persists, it may be a sign of a more serious issue and you should contact a professional technician for further assistance.
easy--change them
The ice maker can be very noisy.
To fix noisy water pipes, you can try securing loose pipes, insulating them to reduce vibrations, or adjusting water pressure. If the noise persists, it may be best to consult a plumber for further assistance.
http://www.refrigeration-equipment.com/ would be somewhere you could look! They have all sorts of refrigerator equipment you could use to fix your refrigerator!
I think that you are in the wrong answer page
Sounds like the cable needs to be lubricated
No, adding freon to a refrigerator is not a DIY fix for a cooling issue. It requires a professional technician to properly diagnose and repair the problem. Freon levels should only be adjusted by a certified technician to ensure the refrigerator operates safely and efficiently.