Frex Posted August 3 Report Share Posted August 3 My 2016 Journey with 107 K miles was running hot- I would get up to 240 and sometime more when driving. While idling it did not get that hot. I took it to a radiator shop and they said it could be the radiator but the only way to test it was to pull it, which I did and replaced it as they tested it and said it was clogged. However, that didn't fix the issue of the car running hot. Again, it would only do it while driving and not idling. While idling the the temp stayed under 230 when the fan would kick on. I had the thermostat replaced three years ago and all agreed that the thermostat was opening. Long story short I wound up replacing the thermostat again with the dealer's Behr thermostat. That did the trick. The car runs under 210 in 90 degree plus heat while driving. I attached a picture of what may have been the issue with the thermostat for others if they are running into the same problem. I was getting no code for a bad thermostat, like I did when I had it replaced three years ago, and it was opening as the temperature would go hi, come back down and go hi again. The working theory is that the thermostat was getting stuck after opening. In the picture you can see the triangular shape which maybe where the spring was making contact. Anyway, if you are having high temperatures this maybe the culprit. BTW, this thermostat is an after market one. larryl 1 Quote Link to comment Share on other sites More sharing options...
2late4u Posted August 4 Report Share Posted August 4 (edited) thanks for the warnings as well..glad you found your problem before you overheated your engine and welcome to the group Edited August 4 by 2late4u Quote Link to comment Share on other sites More sharing options...
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