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Old 07-06-2013, 04:46 AM   #1
mrmertz
 
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ZL1 and A/C

Posted this in our club's forum also ...

Just traded my '13 2SS 1LE for a '13 ZL1. Maybe it's just me, but it didn't take long for the SS to start blowing cold air once the car was started, even in this hot AZ heat.

The ZL1 on the other hand seems to take an eternity before it starts blowing cold at all. The settings are identical when being used in both cars - a/c on max setting (yes, the little snowflake always gets pressed too) and air on recirculating. Anybody else notice this?
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Old 07-06-2013, 04:47 AM   #2
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thats funny...my ZL1 is like a freezer when I want it to be...my wife always complains that she's frozen to death...lol

Mine was made in canada as well...not that would make a difference...so was my 2SS...but I've noticed for some reason the ZL1 seems colder...I have it on the first click in 30 degree Celsius....

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Old 07-06-2013, 04:54 AM   #3
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thats funny...my ZL1 is like a freezer when I want it to be...my wife always complains that she's frozen to death...lol
Oh I wish. When it finally decides to start blowing cool air at all, it's not cold - cold, beginning to think something's wrong here. The air in the SS just seemed to function faster and actually a little colder too, but the main problem is how long until it even starts blowing cool/cold air.
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Old 07-06-2013, 04:55 AM   #4
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Mine starts blowing cold air in seconds. People always comment how they're impressed how fast it got cold. If its taking for ages you should take it in.
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Old 07-06-2013, 05:03 AM   #5
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Yeah, something's wrong here. It's going in this coming Wed. so I think I'll just leave it off and have the tech get in the car with me and show him how long it takes. Of course, we all know at THAT particular point it will perform flawlessly and blow chilly cold!

Sigh...
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Old 07-06-2013, 07:45 AM   #6
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Yeah something needs to be looked at. Mine is a ice box in seconds
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Old 07-06-2013, 12:02 PM   #7
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You are not alone. Mine will get cold but it takes awhile.I have noticed it taking longer than my truck and it is black! I just thought that was the way it is supposed to be but maybe not.
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Old 07-06-2013, 12:15 PM   #8
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Initially on start up if I've left the air on high and cold as it will go, edit, yes snow flake,( no refresh button is what I meant) because I don't usually use that, it takes maybe 5-15 seconds before butt cold air comes out on mine(never actually timed it), this is in Alabama, it's almost as hot as Arizona, but we have humidity that will kill you(and of course the guys in Florida always say it's worse there, but let me tell you, once you get to a certain humidity it's just miserable and an extra 3% doesn't make you feel any worse, I know, I'm back and forth between Bama and Florida).

That being stated, I've had three incidences where upon start up the fan blew, but the compressor didn't come on, I believe it is related to my phone charger that is plugged in next to the cluster gauges. Because, the first time I ripped out the charger and it started working. The last time I turned the car off and turned it back on and it started working.
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Old 07-06-2013, 12:23 PM   #9
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I leave my air on max upon exiting plus I use the dash sunshade. Start the car a few minutes before getting in and it's cold in there.
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Old 07-06-2013, 03:20 PM   #10
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There is another thread where there is information on ZL1's being overcharged from the factory. Once a few ounces of 134 are removed, the systems performed much better. (Especially here in AZ). Take your car into the dealer and have them check.

John

Here is the thread : http://www.camaro5.com/forums/showthread.php?t=233355

Last edited by Snakestang65; 07-06-2013 at 03:31 PM. Reason: Added link to thread
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Old 07-06-2013, 03:25 PM   #11
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No Arizona heat here but not too far behind. It was 111 the other day. Had to turn it down. Too cold. The best AC I've ever had in a car. Just hope it lasts.
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Old 07-06-2013, 04:12 PM   #12
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Thanks for all the inputs! Interesting!

Took it to the dealer this morning. Unfortunately, the dealership doesn't have certified a/c crews on during the weekend. The guys that do handle the a/c's aren't trouble shooters though, so I opted out and will go in this Wed. I'm taking the entire day off and will "hawk" the work being done.

As I see I'm not the only one in this situation, I'm going to throw some of the things posted here at the tech. Overcharging can definitely cause problems. I've also heard of bad Body Control Modules, leaks in system, high pressure switch failures, etc. to me, the '13 SS definitely felt colder and blew that air within seconds after start up. I noticed that upon shutting it off (the a/c) and then a few minutes later starting it up again, it didn't take long. However, having the car sitting out in the sun it took about a good minute before it started blowing cool air.
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Old 07-06-2013, 04:49 PM   #13
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Originally Posted by mrmertz View Post
Thanks for all the inputs! Interesting!

Took it to the dealer this morning. Unfortunately, the dealership doesn't have certified a/c crews on during the weekend. The guys that do handle the a/c's aren't trouble shooters though, so I opted out and will go in this Wed. I'm taking the entire day off and will "hawk" the work being done.

As I see I'm not the only one in this situation, I'm going to throw some of the things posted here at the tech. Overcharging can definitely cause problems. I've also heard of bad Body Control Modules, leaks in system, high pressure switch failures, etc. to me, the '13 SS definitely felt colder and blew that air within seconds after start up. I noticed that upon shutting it off (the a/c) and then a few minutes later starting it up again, it didn't take long. However, having the car sitting out in the sun it took about a good minute before it started blowing cool air.

Hello mrmetz,

Sorry for the delay, but if possible, we would appreciate it if you updated us on your progress Wednesday and if there is anything we could do to help. Feel free to private message us and if we can get involved to help, we will.

Reggie B.
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Old 07-06-2013, 05:48 PM   #14
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similar issues here. except today my car sat in the heat from 8am to 2pm and it only took less than ten minutes for it to cool down.
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Old 07-06-2013, 06:32 PM   #15
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Old 07-06-2013, 08:08 PM   #16
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I don’t know if your problem is the same as mine, but anyway. I had to bring the car in for warranty work because I had no AC. I found out later that it probably wasn’t charged when it came from the factory.

Tech did a check and said there was no refrigerant in the system; you may have the same problem as me. Take it into the dealer.
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Old 07-06-2013, 08:58 PM   #17
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Just an interesting note the ZL1 has a different AC condenser than the SS. The ZL1 has adapters on the inlet and outlet to fit the same fittings as the SS and mounts for the WTA Heat exchanger. No idea about capacity just that it’s completely different. I don’t have the documentation but by my memory the ZL1 has less Freon capacity than a SS on the under hood sticker.
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Old 07-06-2013, 09:00 PM   #18
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Mine is the coldest AC I've ever had in any car!
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Old 07-06-2013, 09:54 PM   #19
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put a thermometer in the vent and check the temp.
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Old 07-06-2013, 11:46 PM   #20
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Basically from what I read from AZ ZL1 owners, you can turn the system off then back on and it will start blowing cold again. In short you need to have about 2 oz of freon removed for the problem not to occur again.
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Old 07-07-2013, 02:00 AM   #21
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Just an interesting note the ZL1 has a different AC condenser than the SS. The ZL1 has adapters on the inlet and outlet to fit the same fittings as the SS and mounts for the WTA Heat exchanger. No idea about capacity just that itís completely different. I donít have the documentation but by my memory the ZL1 has less Freon capacity than a SS on the under hood sticker.
Hmm. Wondered about that.

I have bookmarked this page and will bring it in Wed. To dealer. Funny, but today with all the thunder boomers around it was quite overcast. Had to turn the fan on about 3 or 4 setting as it was really chilly in the ZL. I don't think this is a freon issue myself, but will see Wed. At times it almost seems as if I actually have the heater running, it's that hot. Then you can feel it start getting cool after a while. It's as if the blower is sucking in outside air and the compressor hasn't kicked in at all, even though the button shows it set to recirculating.

Oh well Reggie and others, will post back here with results Wed. evening.
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Old 07-07-2013, 08:45 AM   #22
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My ZL1 customer says when he turns off compressor and just has fan on with outside air it is heated even when its set to full cold. It sounds like there is a software or servo problem with these cars.
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Last edited by TrekGTO; 07-09-2013 at 12:46 AM.
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Old 07-09-2013, 12:41 AM   #23
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From another thread, this to me makes some kind of sense;



06-26-2012, 10:29 PM #23
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Keep in mind that your condenser is sandwiched between the heat exchanger and radiator. So if you were at normal operating temp and turned the car off on a hot day you now have a hot radiator and hot heat exchanger pouring heat into the cooler condenser. Heat equals pressure so when you turn the car off the condenser starts heating up quickly and building pressure in the A/C lines. The pressure switch in the A/C system see's the high pressure so it wont turn the compressor on until it falls to a safe level. Once you start driving and moving air across the stack, or the fans run for a few minutes, it cools the condenser down and drops the pressure to a safe level and allows the compressor to kick back on.
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Old 07-09-2013, 06:45 AM   #24
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Sorry but this is still kinda on topic. I have NO problems with my AC, but when I have it set to vent(yes with recirc on,....or off)) it blows warm air. Its not hot air but it sure seems warmer than the air outside. Sorry for the hi-jack.
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Old 07-09-2013, 08:35 AM   #25
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Sorry but this is still kinda on topic. I have NO problems with my AC, but when I have it set to vent(yes with recirc on,....or off)) it blows warm air. Its not hot air but it sure seems warmer than the air outside. Sorry for the hi-jack.
Same Thing

My ZL1 customer says when he turns off compressor and just has fan on with outside air it is heated even when its set to full cold. It sounds like there is a software or servo problem with these cars.
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