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Old 09-25-2013, 12:01 PM   #1
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New 2014, normal coolant temp?

Those of you with 2014 and the EVIC... What are your normal coolant temps? And what is getting too hot? Or when do I get worried?

Thanks.

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Old 09-25-2013, 02:08 PM   #2
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Mine is around 200 degrees. Also the computer will control the coolant temperature by running the radiator fan if the temp gets too hot. I assume there is also a warning light should the temperature exceed some predetermined level.

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Old 09-25-2013, 05:01 PM   #3
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Mine seems to run around 205-222. Seems hot to me, but it only has 100 miles and maybe running hotter due to breaking in? Anyone know what degree the t stat is?
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Old 09-25-2013, 05:16 PM   #4
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.... Anyone know what degree the t stat is?
2012s - on (Pentastars) should be 195F thermostat, IIRC.

Your 205-212 sounds just right to me... ??

You can watch your EVIC coolant temp as you warm up and the temp should rise slowly to around 195 or so and then drop a bit (maybe 5?) quickly as the thermostat starts to open. Your temp should settle around the fully open point of the thermostat while under light load in cool weather. You should also be able to figure out the low fan and high fan cut-in/cut-out points by listening or looking for the fan to engage.
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Old 09-25-2013, 06:38 PM   #5
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Saw 224 during stop and go driving today. And it wasn't even 75 out. It seems to fluctuate from this as a high to about 205 as a low, once fully warm. What gives?
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Old 09-25-2013, 08:18 PM   #6
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The dummy gauge is about 210 if I remember right. I would expect anywhere between 195 and 220 on average.
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Old 09-26-2013, 09:49 AM   #7
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Anyone know if Jeep has a technical service ph number where you can call and ask these sorts of questions? Would prefer to hear from the horses mouth.
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Old 09-26-2013, 11:23 AM   #8
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Saw 224 during stop and go driving today. And it wasn't even 75 out. It seems to fluctuate from this as a high to about 205 as a low, once fully warm. What gives?
Have seen exactly what you're seeing in the wife's '14. Was idling while she ran into her parents one day last week (65 ambient) and saw it hit 224. Have seen high 190's-212 while driving. We've got the intermittant water pump bearing noise so I didn't know if they were connected or if this little 6 just runs warm.

Fluid in ours is maybe an inch over the MIN mark on the overflow.
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Old 09-26-2013, 04:23 PM   #9
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Anyone know at what temp the fan kicks on? I haven't heard it yet.
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Old 10-17-2013, 01:13 PM   #10
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Any updates now that there has to be more 2014 owners out there now? Mine still seems to run hot. After driving for hours, and stop and go will spike the temp to 226+. Did some moderate hill climbs in 4 hi and saw it hit 240 and 3/4 on the gauge. That scared me! Yes the fan came on and cooled things down, but I had to stop just a little way up the hill. My buddy with a 2013 JKUR kept right on going and never got above half on his gauge. Why am I running hot? I looked at my coolant bottle and it was 3" above the max line and looked like some had even leaked out the overflow. Not happy!
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Old 10-17-2013, 01:27 PM   #11
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I have heard that Ram trucks are running hotter and hotter as it helps in some way with fuel economy and meeting Cafe standards. I wouldn't be surprised if this applies to the JK as well.

I would be a little concerned if Jeep set these engines to run on the warm side "knowing" that most users won't be off road and overheat the engines when the going gets rough. If this is the case, Jeep should have a different mode that senses when 4wd is engaged. Upon engaging 4WD, have the temp run cooler and/or have the fan run more frequently.

NC
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Old 10-17-2013, 01:34 PM   #12
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I also noticed the coolant is a different color. It's purple, whereas my 2012 was pink. Must be a newly designed system. Can anyone confirm?
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Old 10-17-2013, 01:49 PM   #13
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do you have the digital coolant gauge to compare with analog guage and if so are the same.

the purple stuff is only in the over flow tank, radiator looks orange or yellow when I opened it. maybe a quick way to tell if it overheated once, if the purple mixes with the other color, assuming that no overflow under normal conditions.
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Old 10-17-2013, 01:53 PM   #14
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Purple Oat is in the 2013 and 2014s.

If you are running temps of 240, that is just too hot. My 2013 never goes over the center 210 mark, and that's in hot Arizona, both on highway and off road.

If your coolant is 3 inches above the max line, then either the factory over filled it, or you have a bad radiator cap that is opening to allow for overfill, but is not drawing the coolant back into the radiator when the engine is cooling down.
So check you coolant level when the engine is at normal operating temperature. Then check it when it cools down. If the coolant level is the same, both hot and cold, then you have a defective radiator cap, and then that is your heating problem. This would mean that your radiator and engine are running low on coolant and you have air in your system, this can cause a lot of damage to your engine, so I suggest that you check the coolant overflow bottle level, ASAP.
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Old 10-17-2013, 01:54 PM   #15
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I also noticed the coolant is a different color. It's purple, whereas my 2012 was pink. Must be a newly designed system. Can anyone confirm?
The antifreeze was changed to the purple stuff in the 13's. Honestly I think you are worrying over nothing as far as heat. A typical 14 lb radiator cap will give you a 269 degree boiling point. But to make yourself rest easy call your dealership. My experience with calling Chrysler hasn't been worth the effort.
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Old 10-17-2013, 02:44 PM   #16
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Ok, just checked coolant overflow bottle. Ran it parked up to op temp of 215. Watched as lots and lots of bubbles burped out the bottle. The bubbles never stopped and I ran it for 15 minutes. So air in system? Where is it coming in from?
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Old 10-17-2013, 04:48 PM   #17
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Anyone know if Jeep has a technical service ph number where you can call and ask these sorts of questions? Would prefer to hear from the horses mouth.
The problem is if you can get through to someone you're usually dealing with the horses other end.
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Old 10-17-2013, 05:52 PM   #18
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Ok, just checked coolant overflow bottle. Ran it parked up to op temp of 215. Watched as lots and lots of bubbles burped out the bottle. The bubbles never stopped and I ran it for 15 minutes. So air in system? Where is it coming in from?
I have already explained this to you in post number 14.
Just take it back to your Dealer, and have them refill your radiator, burp the system, "purge all of the air from the cooling system", and install a new radiator pressure cap. THE CAP IS DEFECTIVE AND CAUSING YOUR PROBLEM!
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Old 10-19-2013, 05:13 PM   #19
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I opened the radiator cap (cold) too and it burped a lot of air. Put back on and ran it up to 215 deg. Then let cool off. Coolant level went back to right below max line on bottle. So apparently cap it working per the description above. But I still want to know how/where it is sucking air in...
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Old 10-20-2013, 12:43 PM   #20
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Ok so some new info now...

I took the rad cap off after it set all night. Looked into the radiator with flashlight and the fluid level is 3-4" low. Ah-ha!

So to recap... Temp gets hotter than it should under load. While 4 wheeling it got real hot and the level in the coolant bottle went up almost to the top. I let it cool down a few hours and the level in the bottle remained at that very high level. I took the cap off and it burped a lot of air and the level in the bottle went back down to normal, just below max line.

And now here I am with an under filled radiator, but plenty of coolant in the overflow bottle.

So does it make sense that my coolant was just under filled at the factory? Making it get hotter than it should? And that is why it filled up the bottle after 4wheeling? But then why is it now not pulling the fluid out of the overflow bottle and filling up the radiator?
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Old 10-20-2013, 12:52 PM   #21
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Lots of accurate information here and consider that vehicles no longer run at 160* to 180* F degrees any more. They are designed to run hotter for increased efficiency and to eliminate emissions.

200* to 230* F temperatures are the new normal.
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Old 10-20-2013, 01:51 PM   #22
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Quote:
Originally Posted by Old Dogger View Post
Purple Oat is in the 2013 and 2014s.

If you are running temps of 240, that is just too hot. My 2013 never goes over the center 210 mark, and that's in hot Arizona, both on highway and off road.

If your coolant is 3 inches above the max line, then either the factory over filled it, or you have a bad radiator cap that is opening to allow for overfill, but is not drawing the coolant back into the radiator when the engine is cooling down.
So check you coolant level when the engine is at normal operating temperature. Then check it when it cools down. If the coolant level is the same, both hot and cold, then you have a defective radiator cap, and then that is your heating problem. This would mean that your radiator and engine are running low on coolant and you have air in your system, this can cause a lot of damage to your engine, so I suggest that you check the coolant overflow bottle level, ASAP.
Quote:
Originally Posted by Old Dogger View Post
I have already explained this to you in post number 14.
Just take it back to your Dealer, and have them refill your radiator, burp the system, "purge all of the air from the cooling system", and install a new radiator pressure cap. THE CAP IS DEFECTIVE AND CAUSING YOUR PROBLEM!
Quote:
Originally Posted by elToro View Post
Ok so some new info now...

I took the rad cap off after it set all night. Looked into the radiator with flashlight and the fluid level is 3-4" low. Ah-ha!

So to recap... Temp gets hotter than it should under load. While 4 wheeling it got real hot and the level in the coolant bottle went up almost to the top. I let it cool down a few hours and the level in the bottle remained at that very high level. I took the cap off and it burped a lot of air and the level in the bottle went back down to normal, just below max line.

And now here I am with an under filled radiator, but plenty of coolant in the overflow bottle.

So does it make sense that my coolant was just under filled at the factory? Making it get hotter than it should? And that is why it filled up the bottle after 4wheeling? But then why is it now not pulling the fluid out of the overflow bottle and filling up the radiator?
You. Have. A. Bad. Radiator. Cap.....

Listen to the old guys.....
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Old 10-20-2013, 02:20 PM   #23
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Just broke 1k miles on mine, haven't seen it go over 205 degrees. Most times when I look, it's between 198 and 202 degrees, during mixed driving in NJ.
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Old 10-20-2013, 05:07 PM   #24
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If we are talking about the temp gauge, I can take anyone's rig on this forum, and get it to just below the red in about 15 minutes. Its perfectly normal and states so in the manual. If you are under heavy load (climbing a mountain for instance) you will see your temps climb as well. You shouldn't see anything above the middle (190-210 or so) on normal road conditions (unless you are climbing in Colorado or something). The temps aren't the issue to be concerned about...sometimes high temps are normal. Its when you have high temps that is key.
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Old 10-21-2013, 05:11 AM   #25
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Does the EVIC also tell oil temps?

240F for the coolant is hot. I'd say they should run between 190F to 220F on the high side. It seems to me one of the first things an owner of a new Wrangler should check is the radiator and make sure it was properly bled. The more I read here the more I see many of them left the factory improperly bled. On the older Wranglers that needed a head swap the dealer didn't bleed them properly in a lot of cases. It must be a time consuming PITA to bleed.
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Old 10-21-2013, 06:13 AM   #26
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My 14 JKUR runs a consistent 204. If I'm off road just a bit higher, but never over 210. 4500 miles on it since Aug 26.
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Old 10-21-2013, 06:51 AM   #27
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Glad my 2013 doesnt have a digital engine temp readout - you guys should be worried only if you start seeing a big red light on the dash and that's it lol

The radiator valve is usually not computer controlled, there is typically a heat sensitive media that controls flow. expanding and contracting with heat - sometimes a wax and spring setup. Differences in media, in addition to differences in the accuracy of the temp guages will give you a variety of running temps. No one's will be exactly the same.
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Old 10-21-2013, 10:07 AM   #28
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Does the EVIC also tell oil temps?

240F for the coolant is hot. I'd say they should run between 190F to 220F on the high side. It seems to me one of the first things an owner of a new Wrangler should check is the radiator and make sure it was properly bled. The more I read here the more I see many of them left the factory improperly bled. On the older Wranglers that needed a head swap the dealer didn't bleed them properly in a lot of cases. It must be a time consuming PITA to bleed.
no oil temp just coolant and tranny oil temp.
I drove my new 14 home yesterday 120 miles (it had 7 miles on it) and coolant stayed consistent at low 200's with 212 being the highest but that was driving thru town as soon as up to speed it dropped down around low 200's. the guage stayed dead in the middle just like my 13 did.
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Old 10-21-2013, 03:11 PM   #29
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no oil temp just coolant and tranny oil temp.
I drove my new 14 home yesterday 120 miles (it had 7 miles on it) and coolant stayed consistent at low 200's with 212 being the highest but that was driving thru town as soon as up to speed it dropped down around low 200's. the guage stayed dead in the middle just like my 13 did.
That's what it should be. I have a feeling there are several on the road that might not have been bled properly. That would cause hot spots in parts of the engine, and higher than normal coolant temperatures.
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Old 10-21-2013, 04:18 PM   #30
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That's what it should be. I have a feeling there are several on the road that might not have been bled properly. That would cause hot spots in parts of the engine, and higher than normal coolant temperatures.
I think you are right. Those who think temps like this (240 range under mild load) are normal are nuts. It's not just the EVIC reading. The dummy gauge hit 3/4+ too.

Whatever, it's going into the stealer tomorrow.

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