Trans coolers

[tobyw]

I just wanted opinions on the 2 coolers I listed.

Fair enough... my opinion on the 2 coolers listed is that they are unnecessary

I'm just being a d!ck... you do you my friend. Best of luck on your journey. (I'm being serious about that part).

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[kah.mun.rah]

someone warn me if this will get me banned...

 

[Terrymo]

Does either manufacture make a claim or have an opinion on adding it to the JL?

 

[Terrymo]

someone warn me if this will get me banned...

What’s wrong with hula hoops and rainbow?

 

[zouch]

i missed where you answered the question; what temps are you seeing? and what are you doing when you see them?

personally, i'm curious how much any of this matters, as failure of the 8HP75 is something i don't recall having heard much (if anything) about.

I want my trans temps below 200* if possible. I live at 5000' weigh over 7k lbs and have 6*+ grades everywhere. Summers are high 90's+

 

[BAKNBLK]

In 100* heat pulling 6*+ grades, oil can easily hit 240+, Trans 230+.
It matters to me others can do what they think is best.

 

[ASSFROW]

In 100* heat pulling 6*+ grades, oil can easily hit 240+, Trans 230+.
It matters to me others can do what they think is best.

I don't have any experience with the coolers, but unless you're moving a shit ton of air across them I can't imagine them helping much. It's also probably going to be hard to find someone that has run them on this platform since there is a very good solution that most people choose, but you are not willing to run and I don't think it works on the diesels anyway. You might have to be the guinea pig.

 

[WillysMeow]

A proper tune or some other sort of fan controller will fix this.

 

[Terrymo]

In 100* heat pulling 6*+ grades, oil can easily hit 240+, Trans 230+.
It matters to me others can do what they think is best.

@roaniecowpony installed a Mishimoto transmission cooler. I would trust his opinion.

 

[mwilk012]

If you want to keep all temps down, coolant, oil and trans install a RPM Extreme JL fan controller.
You will be amazed at how well it works keeping all temps down.
I have been running one for 3 years now and my coolant and oil temps are down by 25 to 30 degrees.
Your jeep has a transmission heater so you will always see temps about the same as the coolant.


A Mopar transmission heater (also known as a transmission warmer or heat exchanger) works as an oil-to-water thermal regulator. It circulates hot engine coolant through a series of passages directly adjacent to the transmission fluid to maintain optimal fluid temperature and viscosity.

How It Operates

• Cold Starts & Warm-Up: When the engine is started in cold weather, the transmission fluid is thick, which causes sluggish shifting and increased wear. The heater uses the rapidly heating engine coolant to quickly warm the transmission fluid to its ideal operating temperature. [1, 2, 3, 4, 5]
• Thermal Bypass Valve (TBV): A built-in thermostat controls the flow. It directs transmission fluid through the heater until it reaches roughly 180°F (82°C). Once the fluid reaches this threshold, the TBV routes the fluid to the external transmission cooler to prevent overheating. [1, 2]
• Cooling Mode: If the transmission works hard and exceeds engine coolant temperatures, the heat exchanger works in reverse, allowing the cooler engine coolant to absorb excess heat from the transmission fluid to prevent it from overheating. [1, 2]

If you are experiencing issues with your transmission heater—such as a coolant leak, a check engine light, or harsh shifting in the cold—provide the model and year of your vehicle to help determine if the thermostat or heat exchanger needs to be

https://store.mopar.com/oem-parts/m...0PdLuwF91hQpZ3xquKYmrhPzDGXe8hj4aAgm5EALw_wcB

http://www.rpmextreme.com/Product/311/Jeep-JL-JT-PWM-FAN-CONTROLLER-.aspx

Thanks ChatGPT

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