How To Unfreeze Car Air Conditioner. One of the things that can cause a frozen pipe in your ac system is a dirty filter. A loose connection or short in the wire can cause the compressor to lose power and seize.
Check for dirty air filter. If it is dirty change it and thaw out the system by leaving the fan on. Check that there is no blockage of air around the evaporator by ensuring that things are not placed too near to the evaporator.
The air conditioner compressor serves as a passage for both coolant and oil.
One of the things that can cause a frozen pipe in your ac system is a dirty filter. So, check your air filter as you wait for the unit to thaw out. This is the number one mistake people make when trying to rapidly defog windows. Ac runs all day without cooling your home