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I know very little compared to the experts on this forum, but burping it multiple times in the driveway didn't work for me. Try driving it for 5 or 10 minutes, cool down, and then burp it. Then repeat as necessary.

Big thank you to, BlackJKU and all others that helped get this 2015 Rubicon JK heating issue under control. As previously mentioned, we changed the stat 3 times, the coolant heat sensor, radiator, bled the stat, and burped it for days with no results. The jeep still overheated. As a last...

Bingo! The cooling fan module that is in the fan housing can go bad.

Hey TMan68 - thank you for the thoughtful reply. I really appreciate you taking the time to share your experience and I'm glad you got it fixed, albeit costly.

Thank you. That is the Mopar part number. Gonna try another dealership tomorrow. I’ll see if anything else comes up. Ty

I’m fearful of a blockage but I dont think that’s the issue. I can feel the fluid moving in the hose. I recently had it flushed and serviced at a local shop when we changed the stat the first time. If they used something non-OAT or all vehicle approved, i suppose that could be a problem. It...

Do you mean the Mopar part number that i ordered feom the dealer or the faulty MotoRad stat PN?

Hahaha. I agree.

Yes. Cooling fan running. Wonder how 3 stats can fail like that. And I can’t find a Mopar stat so far. And thank you for the help BLACKJKU and others.

Thank you

We just changed the coolant temp sensor. Is their another one that could go bad? Jeep is home now. The radiator cap is cool but the top radiator hose is very hot to the touch. Could it be a stuck open stat??

We’ve checked actual temp using the dash gauge. How should I test it otherwise? It’s strange. My son is on the way home from a friends house, maybe 3 miles away. He said the gauge was showing 222 defrees and the car hadn't been running 5 minutes. Could it be a gauge issue or perhaps some...

Thank you! I ordered that part online and went to the dealer to pick it up and they gave me a, not in the box, MotoRad for $65. Hahaha.

I got it from the dealer expecting Mopar but it is a MotoRad, the same as I got from AutoZone. I’ve seen where some have said MotoRad is OEM but I don't really know.

Yes. The fan seems to be working correctly. I’m just wondering if the new thermostats for some reason are failing. On two occasions, the stat change seemed to remedy the problem only to overheat again days later.

Thank you. We parked the jeep on an incline to fill and burp it. Checked it multiple times but I can do that again. We replaced the radiator last Saturday and that didn't fix the problem. I decided to take one more shot with another stat and changed the coolant temp sensor and radiator cap...

Thanks for the suggestion but yes. Burped multiple times with the funnel radiator attachment kit.

Were you able to figure it out with the Mopar OEM stat? My son has a 15’ Rubicon. We’ve changed the radiator, thermostat (MotoRad from dealer since Mopar stat is on backorder), coolant temp sensor, and radiator cap. It was fine for a few days and then started overheating again. The stat has...

Were you able to figure it out with the Mopar OEM stat? My son has a 15’ Rubicon. We’ve changed the radiator, thermostat (MotoRad from dealer since Mopar stat is on backorder), coolant temp sensor, and radiator cap. It was fine for a few days and then started overheating again. The stat has...