What is wrong with all my thermostats?

[JKP]

I wouldn't swap it if it's working.

Flowkooler/Robertshaw is supposed to me more stable, but I really can't tell if it's any more stable than a Stant Superstat based on the TJ gauge. You'd have to compare OBDII data since the gauge is somewhat damped.

Advance swapped out my failed Stant Superstat with a Motorad Ultrastat. Doesn't look bad, but doesn't have the jiggle vent.

 

[Moglocker]

I wouldn't swap it if it's working.

Flowkooler/Robertshaw is supposed to me more stable, but I really can't tell if it's any more stable than a Stant Superstat based on the TJ gauge. You'd have to compare OBDII data since the gauge is somewhat damped.

Advance swapped out my failed Stant Superstat with a Motorad Ultrastat. Doesn't look bad, but doesn't have the jiggle vent.

I redid the whole system mopar everything in 2020,been all over the USA ,no problems,if I sit idling in the summer w/ac it will climb passed half way,I think I might do something to raise the rpm to keep the (wench)lol cool when I go into a store or something.

 

[JKP]

Pick up a bluetooth OBD reader to see what your temps actually are.

Mine will approach 220 if it's scorching out, idling with the AC in GA. The gauge just shows a needle width or so above 210. As soon as I start driving, it's 205 to 210. Mopar rad, Robertshaw thermostat, Advance pump.

 

[Edgar Marton]

And in that MOPAR box will be... a MOTORAD.

That's exactly how it is. MOTORAD's thermostats last about six months and then they all break. I've already installed five thermostats, motorad and Gates, and they're all bad.

 

[MikeE024]

And the current 05, 06 TJ MOPAR cam sensor is junk as well, it is not the same as the original one.

Not sure what you mean by current 05-06 TJ Mopar cam sensor…it’s been discontinued for years.