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Discussion Starter #1
So, bear with me here. I am a new owner of a used 2014 Enclave with only 39000 miles. I live close to the Dallas area in Texas and recently purchased this vehicle. When test driving it, I noticed that the a/c wasn't very cold, especially in the rear. I asked the salesman if it was a problem and was told that it takes a while for it to cool down. I know that sometimes it gets real hot here, but so far it is only in the upper 70-low 80's. Before I bought it, I again asked the salesman to have the a/c checked for leaks and charge. At delivery, was told everything checked out just fine. Have driven it to work twice now and both times, on the way home, it doesn't seem to cool very well. I drive 25 miles, at highway speed, every day. I drive too other vehicles and both cool better than this one. Both are approaching 200k. Does anyone else have this concern or is it normal.
 

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Discussion Starter #3
I will check the cabin air filter, but the amount of air appears to be normal. I can feel the air temp drop as the compressor cycles on and off. But it doesn't feel like the system is operating correctly.
 

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oldtimer35 said:
So, bear with me here. I am a new owner of a used 2014 Enclave with only 39000 miles. I live close to the Dallas area in Texas and recently purchased this vehicle. When test driving it, I noticed that the a/c wasn't very cold, especially in the rear. I asked the salesman if it was a problem and was told that it takes a while for it to cool down. I know that sometimes it gets real hot here, but so far it is only in the upper 70-low 80's. Before I bought it, I again asked the salesman to have the a/c checked for leaks and charge. At delivery, was told everything checked out just fine. Have driven it to work twice now and both times, on the way home, it doesn't seem to cool very well. I drive 25 miles, at highway speed, every day. I drive too other vehicles and both cool better than this one. Both are approaching 200k. Does anyone else have this concern or is it normal.
I had very similar issues with my 2014 and I live it Graham,Texas. Turned out it was my AC rear evap coil. My service manager knew right where to look so I didn't have to do a lot of trouble shooting and was in and out very fast. Unfortunately I was out of warranty so paid out of pocket. You have a lot fewer mile on yours so maybe it's still covered.

@ 60,000 miles - AC rear evap coil - $1,061.00
 

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Discussion Starter #5
Thanks for the info, Milton. I will take it to the local GM dealer and have them look at it. Yes, It is still under warranty an I asked the salesman to check it out before we bought it. Both he and the sales manager assured me that it had been looked at and there was no problem. But I have been in the automotive business since 72 and I feel that the system is low on charge, as it takes too long for it to cool down, even here in Texas.
 

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Discussion Starter #6
Alright, went over to the local GM dealer and set up and appointment to have my Enclave A/C looked at. Not too encouraging, when the service manager said that they had not had any problems with the a/c in that type of vehicle. Now, we both know that that is not possible. But will try to keep a positive attitude about this visit. Not til next Thursday, said they just had the one tech anymore.
 

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oldtimer35 said:
Alright, went over to the local GM dealer and set up and appointment to have my Enclave A/C looked at. Not too encouraging, when the service manager said that they had not had any problems with the a/c in that type of vehicle.[/color] Now, we both know that that is not possible. But will try to keep a positive attitude about this visit. Not til next Thursday, said they just had the one tech anymore.
They haven't had any problems with the A/C n these vehicles, :rofl:
 

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they had not had any problems with the a/c in that type of vehicle
There is a Technical Service Bulletin for some 2013-16 model year Lambdas where corrosive dust is spit out by the fan motor and corrodes pin hole in the rear evaporator coil. My 14 Acadia had this problem fixed in Jan.

If that is the problem with your vehicle when it is repaired, make sure the dealer looks up that TSB. May get a free fix if it falls within the time frame listed by the bulletin.
 

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Low Air Conditioning Refrigerant Charge
August 26, 2015

Some 2013-2016 Traverse, Enclave, and Acadia models may have warm air conditioning. A check of the refrigerant level may reveal a very low/empty charge. After performing normal diagnostics, if the source of the refrigerant leak is not found, check for a small refrigerant leak at the rear auxiliary air conditioning evaporator.



Engineering has determined that dust from the blower motor brush on the evaporator may have some copper particles in it, which causes accelerated corrosion to the evaporator. The copper particles are coming from the blower motor during the motor break-in period, so the motor does not need to be replaced.



Remove the rear auxiliary blower control module and insert the GE 50078 Electronic Leak Detector to test for a leak. If a leak is found, replace the rear evaporator.



Also remove the rear blower motor and blow the fan and blower cage (Fig. 9) with compressed air to remove any copper particles and dust that could be redeposited on the new evaporator. This will prevent the possibility of a subsequent failure of the evaporator from the copper dust remaining on the blower fan cage.

 

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I don't mean to hijack the thread but I have a question that relates to my Enclave. I had my rear evap coil replaced on my 2014 @60000. Since it was out of warranty I paid for the repair our of pocket. I wasn't aware of this TSB so it wasn't brought up during my time at the Buck shop. My question is, since my Enclave was already out of warranty, would the TSB have made any difference? I don't understand the difference between a recall and a TSB ???
 

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THink of a Technical Service Bulletin (TSB)- as a FYI to technicians/mechanics...

let them know what issues are being seen- and what may be the cause/solution to the problem.
 

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Milton B said:
I don't mean to hijack the thread but I have a question that relates to my Enclave. I had my rear evap coil replaced on my 2014 @60000. Since it was out of warranty I paid for the repair our of pocket. I wasn't aware of this TSB so it wasn't brought up during my time at the Buck shop. My question is, since my Enclave was already out of warranty, would the TSB have made any difference? I don't understand the difference between a recall and a TSB ???
Recalls are fixes to safety issues only, at no cost to the consumer.
 

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Discussion Starter #14
Thanks rbarrios, I will talk to the Service Manager about this when I drop off the Enclave on Thursday. Hope I don't get a NPF on this one. Took it out for the weekend and again, noticed that the rear a/c just didn't seem to cool. This was after driving about 100 miles.
 

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Discussion Starter #15
Well guys, took the Enclave in to the shop this morning, explained that it seems to be a problem with the rear a/c. They called me just before lunch, said it was fixed and I could pick it up. So I go to get it a lunch and the service writer told me that they pulled 1.9 lbs out and put 2.5 lbs in with dye. Did not find a leak in the system. I said, how can it be low and not have a leak. Answer was, "Don't know, but keep an eye on it." Will do
 

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Just had this same exact issue on our '14 Enclave. 37k miles. First real issue we've had.

Dropped it off in the morning, picked it up in the evening. Also asked them to replace the brake booster, as it was squeaking every time
I stepped on the pedal. Not a functional issue just annoying to listen to.


As always, our dealership took great care of us and she's back to 100%.

Now I just have to keep myself away from looking at a 2018 Enclave!
 

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Front to Rear A/C lines

Hello all, just to add to the conversation, I have had similar issues to those in this thread. I have a 2014 Enclave and I live up in the northeast. I noticed over the winter that my A/C was not turning on (the A/C would kick on to defrost the windows). Kind of an odd time around here to have A/C trouble but I took it to the local Firestone and they said the system held pressure at 29.8 (should be 30 but very close) so no leak was suspected at the time. They recharged the system for $180 and sent me on my way. I knew something was up but took their word on it. After recharging the system I noticed that every time the A/C kicked on, I heard sort of a hissing sound coming from the vents but it worked. Well after about 2 months the A/C did not work again. This time I noticed that the A/C button flashes 6 times, not sure what that means but it couldn't be good. I took it to the dealership yesterday and they found a leak in the line that runs from the front to the rear A/C with a dye test. So, after a $1300 quote to repair, we'll see how this works out.
 

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it most likely is the a/c evap. i have a 2012 and it was doing the same thing had the evap. changed and is now working fine.
 

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We were having this problem with our 2010. I just added freon to it and that fixed it. It will run you out now, even on a hot NE Texas day.
 

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Bulletin

I had this same issue with the blower fan in the Bulletin that they put out. I paid $1100 for the fix and I knew there was a bulletin for it and even was the one who told them. Unfortunately, because it is not a recall, they do not pay for it! I am looking into how to get a group of people together to fight this issue legally.
 
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