Look on the back of the refrigerator. If it says R134 anywhere there then yes and the amount is critical.
No
freon in a soda machine is the same as a refrigerator most of the time these machines and refrigerator's do not have service valves for the Freon in order to check the Freon you would have to attach a service valve to the high and low side known as the suction and liquid line
cooling will continue when the refrigerator operates then it has freon ,if cooling stops while operating then it does not have....
It will depend on the make, model and year of the refrigerator that you are working on........
When the fridge is not cooling due to freon leak or freon restriction.
Its odorless and colorless.........
Freon is a dangerous and deadly gas that can be fatal. However, the amount of Freon in a refrigerator is usually minimal, but it is still dangerous.
Refrigerators can release freon.
Check freon charge.
freezer
Ammonia works exactly the same way that freon does, in a refrigerator. Both of these are substances which have a boiling point in the right temperature range to allow them to carry away heat from the interior of a refrigerator, and move it to exterior heat exchange coils. The main difference is that ammonia leaks are much more unpleasant than freon leaks, in terms of odor and toxicity, while freon leaks are a greater threat to the ozone layer.
yes it pumps freon