The wrong part is another thing altogether.
I hate how loud my AC system is. I am a super light sleeper and my AC wakes me up a lot. It clicks on and makes a loud whirring noise. It sounds kind of like grinding and screeching. I just dealt with it for a long time. I even bought a sound machine to drown it out. Then a friend of mine came over and commented on my noisy AC. She said that something must be up. Well I never thought that loud operational sounds were warning signs. So I did some googling and I found a Fort Worth, Texas air conditioning business that specializes in all types of cooling. I got them to come and take a peek at my system. They checked it all over and determined two things wrong with it. First I needed to add more coolant inside of the system. I also needed to have the fan motor belt lubrication. The lack of liquids in my system caused grinding and screeching. If I wouldn’t have gotten this done my system would have started to wear away on parts. The AC service in Texas was quite cheap since adding a little bit of coolant and lubricant was easy. The wrong part is another thing altogether. Now that everything’s all squared away, my AC runs like a dream. It isn’t silent, but compared to what it was, it is amazingly quiet. I love that I hardly hear it operating anymore. I sleep so much better at night and my AC seems to be doing a lot better.