# GMC Yukon Air Cond **URL:** \ **Category:** Maintenance/Repairs\ **Tags:** gmc\ **Created:** [February 17, 2014, 11:31pm UTC](https://community.cartalk.com/t/gmc-yukon-air-cond/83765 "2014-02-17T23:31:40Z")\ **Posts on this page:** 5\ **Page:** 1
**Author:** ![paloma](https://avatars.discourse-cdn.com/v4/letter/p/ee7513/32.png) [@paloma](https://community.cartalk.com/u/paloma)\ **Post date:** [February 17, 2014, 11:31pm UTC](https://community.cartalk.com/t/gmc-yukon-air-cond/83765/1 "2014-02-17T23:31:40Z")
Help! My A/C wasn’t working (blowing hot air instead of cold), so I had some repairs done. First I was told it was some sort of bracket, replaced that. Then the guy told me it was the compressor, replaced that. About $1K later, he returned the vehicle to me, and the A/C worked about one hour, and even then wasn’t super cold. I have since had the freon level checked and there are no leaks, everything seems to be OK, it just doesn’t cool. Contacted a dealer repair, they said they will just have to replace one part at a time until they find the problem - this could run into a lot of money. Can’t afford to go this route - can anyone help? ---
**Author:** ![db4690](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/db4690/32/2583_2.png) [@db4690](https://community.cartalk.com/u/db4690)\ **Post date:** [February 18, 2014, 1:18am UTC](https://community.cartalk.com/t/gmc-yukon-air-cond/83765/2 "2014-02-18T01:18:35Z")
@paloma We need the model year What sort of bracket was replaced? We also need a lot more information. Did the AC suddenly stop working, or did it gradually get worse? For what it’s worth, I have a hard time believing a dealer would tell you “they will just have to replace one part at a time until they find the problem” That is the kind of answer you’d expect from an inexperienced and/or incompetent shop Does the compressor even engage? What does the condenser look like . . . clean or caked with mud and debris? Are any of the ac hoses and lines obviously greasy and/or leaking? ---
**Author:** ![paloma](https://avatars.discourse-cdn.com/v4/letter/p/ee7513/32.png) [@paloma](https://community.cartalk.com/u/paloma)\ **Post date:** [February 18, 2014, 2:18am UTC](https://community.cartalk.com/t/gmc-yukon-air-cond/83765/3 "2014-02-18T02:18:55Z")
It’s a 2002 Yukon, not sure but I believe it was the bracket for the compressor. AC started making a loud, horrible noise one day and blowing hot air. The dealer stated this was not something a computer diagnostic could home in on, and so they would have to replace one part at a time. If I turn on A/C, air is hot. Heater works fine. A second mechanic tested Freon, and checked for leaks and was unable to find the problem, I believe that person would have noticed a dirty condenser. ---
**Author:** ![db4690](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/db4690/32/2583_2.png) [@db4690](https://community.cartalk.com/u/db4690)\ **Post date:** [February 18, 2014, 3:46am UTC](https://community.cartalk.com/t/gmc-yukon-air-cond/83765/4 "2014-02-18T03:46:49Z")
@paloma Please look at your records before answering this next question Did your ac compressor fail catastrophically . . . in other words, did it break apart internally, sending metal debris into the system? ---
**Author:** ![oldbodyman](https://avatars.discourse-cdn.com/v4/letter/o/bbce88/32.png) [@oldbodyman](https://community.cartalk.com/u/oldbodyman)\ **Post date:** [February 18, 2014, 5:32am UTC](https://community.cartalk.com/t/gmc-yukon-air-cond/83765/5 "2014-02-18T05:32:18Z")
I will bet the drier was not replaced and also the system was not flushed. Seen this to many times. When I had my body shop we also did AC work. I had the best AC guy around. He always said if you open up the system it gets flushed and a new drier.