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Our low pressure is set to 100 psi and I believe my hi pressure is set at 135 psi.
The default hi temp is set at 156 degrees on the TST system that came with our rig. It is normal for tire temps to run 50 degrees above ambient and with summer temps at 112 between Albuquerque and Amarillo our hi temp alarm went off on one of our trips. We were near Tucumcari and there was a Loves we could pull off into to cool off. Researching showed the tires wouldn’t be dangerously hot until reached quite a bit higher temps. Various sources said tires would not start having problems until they got 180-190 degrees or more.
I reset my hi -temp to 165 degrees after this trip just to prevent the alarm from going off, but, when my temps start getting above 150 degrees I am definitely watching closel We’ve run into similar hi ambient temps and had tire temps of 158 degrees again, but, that’s the highest we’ve seen. We have Sailun g-rated tires on our 2022 3121 rl
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