Friday, December 7, 2012

What is the best way to diagnose an airconditioner that will not cool?

My 2000 Nissan Frontier has given me no problems till now, it has only required oil changed a ste of brakes and a regular tune up since I puchased it in 1999. I had noticed last summer that the a/c was not cooling as well as before, since it was at the end of the season, I did not look at following up on it, this year I turned my a/c and found it still had some cooling but afer several trip the a/c has now failed. I added freon and it worked for one day, the next day it was dead. I followed up by getting a vacuum done and adding the recommended amounts, the a/c worked fine but it had a humming sound, the a/c again worked for only one more day. ok assume a leak, where do I start, I heard about a dye does it work adn how does it work in leak detection?

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