Does the 2013 Wrangler have enough radiator for 118 degrees ambient temperature? - Jeep Wrangler Forum

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Old 06-26-2013, 04:02 PM   #1
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Red face Does the 2013 Wrangler have enough radiator for 118 degrees ambient temperature?

Friday of this weeks forecast for Phoenix is 118 degrees. I will be down town mid afternoon on Friday in a lot of traffic. It should be very interesting. Will the gauge stay in the center, or will it climb, we shall see?
Phoenix is known for hot temperatures, but this is on the high side of normal.
I am glad that I have a hardtop, because it will also be a good test for the A/C.

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Old 06-26-2013, 04:11 PM   #2
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It'll be fine. It may go slightly higher than half way but that's still in a good range.

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Old 06-26-2013, 04:17 PM   #3
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I'm in Phoenix too, don't even worry about it.
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Old 06-26-2013, 04:59 PM   #4
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You will be fine. We towed our 1800 pound tent trailer up the mountain a few weeks ago in 108 degrees and the temp move up to half way between the middle and 3/4 white line. That was on an uphill doing 60 mph and 5000 rpm.
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Old 06-26-2013, 05:09 PM   #5
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Miser, you are going to have a heart attack, quit worrying about the small stuff!
Your Rubicon is built to survive in Death Valley, so 118 won't even be a challenge for it!
Just crank up the a/c and enjoy life................, before it's over!!!!!!!!!
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Old 06-26-2013, 05:32 PM   #6
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Please let us know how it goes.

Last month I drove my JKU in 108F all day around town and on uphill roads, with A/C On, and my temp gauge stayed in the middle.
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Old 06-26-2013, 05:38 PM   #7
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Originally Posted by axhoaxho View Post
Please let us know how it goes.

Last month I drove my JKU in 108F all day around town and on uphill roads, with A/C On, and my temp gauge stayed in the middle.
I will let you know the out come Friday evening, providing that I don't have a heart attack, as OD put it.
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Old 06-26-2013, 05:59 PM   #8
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Originally Posted by Miser View Post
Friday of this weeks forecast for Phoenix is 118 degrees. I will be down town mid afternoon on Friday in a lot of traffic. It should be very interesting. Will the gauge stay in the center, or will it climb, we shall see?
Phoenix is known for hot temperatures, but this is on the high side of normal.
I am glad that I have a hardtop, because it will also be a good test for the A/C.
Traffic is a good thing for you. The best way to cool your engine is idling while at a complete stop. You will be just fine.
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Old 06-26-2013, 06:07 PM   #9
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Originally Posted by Olysouthpaw24 View Post
Traffic is a good thing for you. The best way to cool your engine is idling while at a complete stop. You will be just fine.
I hope this is sarcasm.
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Old 06-26-2013, 06:13 PM   #10
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Wont be an issue. I did a "heat test" going from Phoenix to Payson a week ago, and the temp only got between the middle line, and the next white line to the right. Never got hotter, and seemed to cool right off.
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Old 06-26-2013, 06:28 PM   #11
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Originally Posted by THW View Post
I hope this is sarcasm.
Have you read your owner's manual? It recommends you idle at a complete stop if your engine is overheating.

"Idle the vehicle with the air conditioner turned off until the pointer drops back into the normal range."

Now if that does not work THEN it recommends to turn off the engine altogether.
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Old 06-26-2013, 06:40 PM   #12
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If you have a automatic trans, also put it in neutral while stopped for a red light.
I always do this when temps get above 100 degrees. I don't know if it helps, but it can't hurt anything!
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Old 06-26-2013, 06:41 PM   #13
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If you have an overheating situation A/C off and then turn the heat on full hot at the highest fan setting. Open the windows and/or remove top. The heater acts like a small auxiliary radiator and it might be just enough additional cooling so you can keep moving.
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Old 06-26-2013, 06:50 PM   #14
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Thank you for all of your advise, and experiences, and I will keep them in mind!
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Old 06-26-2013, 09:39 PM   #15
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Just drive the jeep,the ecm keeps track of the engine temp if it gets warm,it runs the cooling fan,if it starts to get hot it runs the cooling fan faster.Dont shut the jeep off in stand still traffic(dont know if somone told you that)becuase the water pump keeps coolant moving.
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Old 06-26-2013, 09:59 PM   #16
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Originally Posted by modeltrainman View Post
Just drive the jeep,the ecm keeps track of the engine temp if it gets warm,it runs the cooling fan,if it starts to get hot it runs the cooling fan faster.Dont shut the jeep off in stand still traffic(dont know if somone told you that)becuase the water pump keeps coolant moving.
Yes, I new about the water pump, but was not aware of the radiator cooling fan being a variable speed, pending temperature.
Thank you for the update!
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Old 06-26-2013, 10:14 PM   #17
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Here's stats at 105 degrees.

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Old 06-26-2013, 10:30 PM   #18
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Originally Posted by m998dna View Post
Here's stats at 105 degrees.

.
Dude how did you get that?
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Old 06-26-2013, 10:37 PM   #19
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Comes with the 10A cluster ...

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Old 06-26-2013, 10:46 PM   #20
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That new EVIC is so nice, I wish they had given all the 2012+ Jeeps that option.
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Old 06-26-2013, 10:57 PM   #21
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I just dropped off my Poison Spyder louver at the powdercoater yesterday, 8-10 working days. Can't wait to see the difference in performance because right now when the engine is warmed up it's pinging continually. The a/c is working equally hard as well but I have a soft top.

Just be sure your cooling system is topped off.
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Old 06-27-2013, 02:56 AM   #22
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Chrysler does long idle tests for hours inside of an enclosure that prevents breezes from getting to the engine in summer temperatures [>110* F].

The US Border Patrol uses JKs around Yuma for patrol. They'll idle in place for hours with the AC on.
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Old 06-27-2013, 04:55 AM   #23
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Originally Posted by Lusus_Naturae View Post
That new EVIC is so nice, I wish they had given all the 2012+ Jeeps that option.
They didn't give the 2013 that option. If the 10A got it it, must be a new one coming for the 2014.
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Old 06-27-2013, 06:43 AM   #24
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I would guess all the required sensors should be already present in the 2013 model (and used for monitoring by ECU). So maybe a reflash that would allow these would became available?
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Old 06-27-2013, 10:56 AM   #25
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Originally Posted by m998dna View Post
Here's stats at 105 degrees.

.
That additional info being available is really nice. My 2013 Rubicon offers some good information at the push of a button, but yours is obviously more advanced.
Since mine does have the transmission cooler and a internal engine oil cooler, then it should be adequate for the upcoming temperatures. My only concern, maybe curiosity is a better word for it, is to see how the radiator capacity handles the 118 degrees, but I do understand that with a 18 pound pressure cap and 50/50 distilled water with antifreeze mixture, that your boing point would be really high, probably around 260 degrees. I am not sure at what point, or degree the coolant hot warning system is designed to kick in.
We shall see what happened tomorrow.
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Old 06-27-2013, 11:00 AM   #26
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Originally Posted by 2five22 View Post
Chrysler does long idle tests for hours inside of an enclosure that prevents breezes from getting to the engine in summer temperatures [>110* F].

The US Border Patrol uses JKs around Yuma for patrol. They'll idle in place for hours with the AC on.
Yes, you are correct! In Arizona, our Border Patrol uses both the JKRU and JKR as their SUVs of choice!
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Old 06-28-2013, 08:54 PM   #27
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Well, the forecast was for 119 today and we reached 116. We got some smoke in from Silver City New Mexico and that held the heat down a few degrees, but it still felt like a blast furnace. I have lived in Phoenix for 40 years and you really never get use to that high of a temperature.

While in traffic this after noon, my readout showed a outside temperature of 118 at the max. My temperature gauge normally goes to the center mark, give or take a needle width depending on the angle that you are looking at it. That is normally where mine runs when the thermostat has opened. Chrysler/Jeep has engineered plenty of cooling system, because that is where it stayed at in this high ambient temperature all after noon, while on my trip down town and back.

As for the A/C, well I do have a hardtop, with automatic temp control. My hard top has the factory deep sunscreen tinted windows and my side windows are tinted to what is legal in Arizona. I set the center knob on the coldest counter clockwise setting and the right knob on the setting where some air blows to the bottom, but most blows out the a/c ducts. I turned the fan on high and I can honestly say that I was comfortable driving. The A/C also does a outstanding job of keeping you cool and comfortable.
The more that I drive my Wrangler, the better I like it!
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Old 06-28-2013, 10:00 PM   #28
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Glad to hear you didn't go up in flames ;-p
I kinda wish I had a hard top, took a quick ride to the building supply warehouse at high noon and I could feel the heat radiating down from the top...no bueno. But oh well the consolation is i have covered parking at work.
I'm debating having the a/c looked at in the near future-maybe it needs a charge.

Hot again tomorrow-stay cool.
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Old 06-28-2013, 10:02 PM   #29
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Miser .. good to know, thanks for the feedback.

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Old 06-28-2013, 10:05 PM   #30
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Well, the forecast was for 119 today and we reached 116. We got some smoke in from Silver City New Mexico and that held the heat down a few degrees, but it still felt like a blast furnace. I have lived in Phoenix for 40 years and you really never get use to that high of a temperature.

While in traffic this after noon, my readout showed a outside temperature of 118 at the max. My temperature gauge normally goes to the center mark, give or take a needle width depending on the angle that you are looking at it. That is normally where mine runs when the thermostat has opened. Chrysler/Jeep has engineered plenty of cooling system, because that is where it stayed at in this high ambient temperature all after noon, while on my trip down town and back.

As for the A/C, well I do have a hardtop, with automatic temp control. My hard top has the factory deep sunscreen tinted windows and my side windows are tinted to what is legal in Arizona. I set the center knob on the coldest counter clockwise setting and the right knob on the setting where some air blows to the bottom, but most blows out the a/c ducts. I turned the fan on high and I can honestly say that I was comfortable driving. The A/C also does a outstanding job of keeping you cool and comfortable.
The more that I drive my Wrangler, the better I like it!
My good man, these Wranglers are mean machines, built to last in the worst of temperatures, being hot or cold. They will endure ongoing abuse, and are manufactured with just that in mind. Be assured in confidence, of their ongoing reliability!!!!!!!!!!
Stay cool...........................

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