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Old 07-26-2013, 01:41 PM   #1
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Auto AC Question

I may have a buyer for my Mustang which means I finally can get a new JK.

There are a couple I am looking at, both of which have the auto AC option. My experience with automated temperature controls has not been good. I am curious is the Wrangler's works the same way as my mom's 2003 Grand Cherokee.

I am driving on a sunny 50 degree day. I have the temp set to 70 degrees. Somewhere in the vehicle there is a temperature sensor that is getting beamed by the sun. Now the HVAC system thinks the whole vehicle is 80 degrees and it turns on the AC. The only way to remedy this was to turn the heat way up high and then I get air that is too hot. Has anyone experienced this with a Wrangler? I think they all must do this unless there are multiple cabin sensors and the readings are averaged or something similar.

I genuinely prefer to manually adjust temps/AC as needed and I am sure there is a manual over ride even with the auto setup but I want to make sure.

Thanks.

NC

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Old 07-26-2013, 02:04 PM   #2
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I have the auto climate control on mine and never use it. You will have the option to use manual or auto.

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Old 07-26-2013, 09:22 PM   #3
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Can anyone please tell me how much Freon does a 05 wrangler a/c system hold. The tag is gone and all I see is people talking pressures. Does this sys. hold 1.5lbs or 1.8lbs or what. I have an 4.0l motor.
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Old 07-26-2013, 09:38 PM   #4
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Quote:
Originally Posted by Numbercruncher View Post
I may have a buyer for my Mustang which means I finally can get a new JK.

.... the auto AC option. My experience with automated temperature controls has not been good. ....
Your previous experiences coincide with my current opinion of my auto A/C on my Wrangler. The only option I wish, in hindsight, I had not gotten.

I'd much rather have manual air controls. While you can set the fan speed and air damper locations manually, you can't set the air temp manually. It always relies on a thermometer (located in the lower dash panel near your right knee) to guess at the air temp you want.

But, I certainly wouldn't let it be a deal breaker. You can learn to live with it. And, some folks love it.....
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Old 07-26-2013, 09:43 PM   #5
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Originally Posted by hdroadcap View Post
Can anyone please tell me how much Freon does a 05 wrangler a/c system hold. The tag is gone and all I see is people talking pressures. Does this sys. hold 1.5lbs or 1.8lbs or what. I have an 4.0l motor.
Ummmm.....really? Maybe ask in the TJ forums
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Old 07-26-2013, 10:06 PM   #6
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I'd much rather have manual air controls. While you can set the fan speed and air damper locations manually, you can't set the air temp manually.
Why not? Our 2013 Sahara has auto mode but you can still set the air temp control manually.

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Old 07-26-2013, 10:12 PM   #7
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I have the auto temp in my Sahara and I think it works great. I usually set it to auto and 72 and it handles itself just fine. Side bonus is that no matter what time of year it is, I can hit the remote start and it will warm or cool as needed without me having to remember to set it to the right mode. Another bonus is that the auto temp comes with cabin filters, the manual AC does not, but they can be added later.
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Old 07-27-2013, 01:29 AM   #8
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Why not? Our 2013 Sahara has auto mode but you can still set the air temp control manually.

X2 on using it manually..........
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Old 07-27-2013, 08:46 AM   #9
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I have the auto temp in my Sahara and I think it works great. I usually set it to auto and 72 and it handles itself just fine. Side bonus is that no matter what time of year it is, I can hit the remote start and it will warm or cool as needed without me having to remember to set it to the right mode. Another bonus is that the auto temp comes with cabin filters, the manual AC does not, but they can be added later.
I set it and forget it!

Unless the wife is riding, in which case it gets adjusted half a dozen times...
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Old 07-27-2013, 08:51 AM   #10
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yeah I have it in mine and I set it at 72 give or take a couple degrees and it does what it needs to manage the temp, no input from me. I've been really happy with it. If it's in the 60's outside and the Jeep has been in the sun closed up of course its hot in there so the system will turn on the AC until it cools down then not blow cold air. I'm really happy I got it although the only irritation I have with the automation is that in the winter with remote start my heated seats won't turn on like they do in the grand cherokee. Not a hardcore Jeeper thing to say but hell I'm not a hardcore Jeeper.
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Old 07-27-2013, 08:57 AM   #11
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Works Great

Love it.

Quote:
Originally Posted by Bad_Dog View Post
I set it and forget it!

Unless the wife is riding, in which case it gets adjusted half a dozen times...
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Old 07-27-2013, 08:59 AM   #12
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I have the auto A/C on mine simply because it was an included option on the only 6-sp Rubicon I could find without the damn Nav system at the end of the MY.

To be honest, I've never really noticed the A/C going crazy wrong when on auto, but it sometimes is not exactly right. You can fine tune that by adjusting the temperature it is attempting to achieve with some success. Obviously, it will flip out if you have doors off or the windows down.

The manual mode is easy to use and works just fine. If you cannot figure out where you want to be between adjusting the temp and the fan speed as well as which vents are active...not sure what to tell you! Heh.

Overall, the A/C is one of those areas where it might not be as refined as the system in my BMW, but it does quite a good job. Blows cool air in a hurry, defrosts and defogs effectively and the automatic mode works pretty well.
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Old 07-27-2013, 06:01 PM   #13
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My reason for getting the auto AC is the same as yours. The only Rubicon's I can find come with it.

NC

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I have the auto A/C on mine simply because it was an included option on the only 6-sp Rubicon I could find without the damn Nav system at the end of the MY.

To be honest, I've never really noticed the A/C going crazy wrong when on auto, but it sometimes is not exactly right. You can fine tune that by adjusting the temperature it is attempting to achieve with some success. Obviously, it will flip out if you have doors off or the windows down.

The manual mode is easy to use and works just fine. If you cannot figure out where you want to be between adjusting the temp and the fan speed as well as which vents are active...not sure what to tell you! Heh.

Overall, the A/C is one of those areas where it might not be as refined as the system in my BMW, but it does quite a good job. Blows cool air in a hurry, defrosts and defogs effectively and the automatic mode works pretty well.

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