Overheating issues 2023 JL

[Willys41]

100% true

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[mwilk012]

HCP

I don’t know what this means

 

[CarbonSteel]

I'm sure that the high temps of these engines are what they were designed at for emissions purposes, but IMO they're just too high. There are so many plastics underhood that would likely see a lot longer lifespan with lower temps.
I mean, on a hot (or even not so hot) day, you can hardly touch things under the hood, they're so hot!
It's kinda ridiculous!

They are too high. My Bronco rarely sees anything above 210°F. Ford got that part right.

FCA/Stellantis could take lessons. I rarely saw anything below 224°F in my Wrangler and typically it was >235°F.

Unloaded and driving down the road, that is a stupid temperature...

 

[mwilk012]

They are too high. My Bronco rarely sees anything above 210°F. Ford got that part right.

FCA/Stellantis could take lessons. I rarely saw anything below 224°F in my Wrangler and typically it was >235°F.

Unloaded and driving down the road, that is a stupid temperature...

Too high based on what

 

[CarbonSteel]

Too high based on what

Based upon a 195°F thermostat and unloaded driving down the highway where load is the least. There is no way I should have seen >235°F temperatures.

We can argue all day about what FCA's engineers designed/intended, but every other vehicle I have ever owned, and it has been many, none of them had that temp just driving down the road.

 

[Willys41]

100% true That engineers get it wrong
And in the case of the jeep cooling system they got it wrong

 

[Willys41]

The reason you are getting high temps just driving down the road is there is very little air passing through the radiator core
Even with a large pusher fan I could not get air to pass through the rad. core . The core is made to tight and will not pass free flowing air. The ONLY way is to suck it through
The wrangler fan come on to little to late

 

[Ratbert]

100% true That engineers get it wrong
And in the case of the jeep cooling system they got it wrong

Are you suggesting that you're more knowledgeable about those details than the engineers that designed these systems?

 

[Willys41]

Maybe
Common sense would be to cool and engine you MUST have air flowing through the radiator core
The engineers had issues from the start
We have the same issues with our modified Wranglers

https://jalopnik.com/the-engineering-behind-the-jeep-gladiators-tow-rating-1833657453

 

[CarbonSteel]

Are you suggesting that you're more knowledgeable about those details than the engineers that designed these systems?

What engineers? The same ones that lean 100% into CAFE requirements and ignore common sense?

 

[mwilk012]

The reason you are getting high temps just driving down the road is there is very little air passing through the radiator core
Even with a large pusher fan I could not get air to pass through the rad. core . The core is made to tight and will not pass free flowing air. The ONLY way is to suck it through
The wrangler fan come on to little to late

This is how all vehicles are and have always been. Pusher fans are inefficient addons even on older vehicles.

 

[Ratbert]

What engineers? The same ones that lean 100% into CAFE requirements and ignore common sense?

Because they want to be able to sell their vehicles?

 

[Ratbert]

Maybe
Common sense would be to cool and engine you MUST have air flowing through the radiator core
The engineers had issues from the start
We have the same issues with our modified Wranglers

https://jalopnik.com/the-engineering-behind-the-jeep-gladiators-tow-rating-1833657453

Your posting characteristics might indicate otherwise.

 

[Willys41]

Just compare other vehicles temps to the jeep wrangler. They are not running 235 and higher range
Here is a great example
The Maserati 3.0 v6 is the same motor as the the jeep 3.6 put a smaller displacement
Maserati 3.0 v6 runs at 195 degrees and also uses 5w40 oil
I will let you decide witch temp is better for your jeep motor
235+ or 195
I chose 195

 

[Valpo Jeep]

There is a product called water wetter that they used to recommend in high horsepower applications. It is supposed to help with cooling.

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