We just installed the TST 507 TPMS on our FW and are not sure what temperature setting we should use for our Goodyear Marathons. TST recommends leaving it at 158 degrees based on Michelins 180-200 temperature fill range. Any information specific to our tires that would indicate a need to change the temperature setting?

temperature during the driving time would affect the tire temp.load would affect the tire temp.inflation pressure affect the tire temp.or at least that's what I'd think.....

I touch my tires and axle hubs with my bare hands comfortably. I'll have to use the temp gauge on them one of these trips.

I recently installed a TST system on my 5er. First long trip showed tires ran just a few degrees above air temp on the shady side and 10 to 20 degrees above air temp on the sunny side.That is about the same as I saw using an infrared temp gun before I put the TST system on.

It depends on where you're driving, pavement temperature, and ambient air temperature.I reset mine to 130°F. I'll reset it when I decide what is a normal tire temp for conditions. So far mine run around 115°F. I imagine that will change as the summer heats up.

It's normally cool here but the tires in the sun run 110~115 after extended running at high speed on the highway.

What is normal tire temperatures on a trailer tire

14 Replies

Dusty_R
Explorer
Sep 06, 2013
I also use a non-contact heat gun.
We once rented a car hauler trailer with tandem axels, and was hauling a little over 3000 lb. on it. After driving for a few hours I checked the tire temperatures with the heat gun. One tire was 30* hotter than the other 3, and when I checked the pressure it was 30 lb. soft.

Dusty
JohnD222
Explorer
Sep 06, 2013
Similar question as original poster so no new thread:

My tv G rated tires increases from 70 to 80 psi or so after a long run at 90 degree ambient. Temps rise 5 to 10 degrees above ambient. Sunny side a bit higher in both, but not a lot as long as i am rolling. All of the above is without breaking for hours.

On the other hand, all my H rated 5er tires increases from 95 to 120 psi, or so after a long run after a long run at 90 degree ambient. Temps rise 20-25 degrees above ambient 90 degrees. Sunny side a bit higher in both, but not a lot as long as i am rolling. All of the above is without breaking for hours.

After a slow coast to a stop, hubs on 5er are not hot.

All tires are inflated to proper mfg recommended cold psi for next higher load than heaviest load on tire per axle, plus 5 psi for good measure. Seems like the H rated get hotter and have more temp increase. I would have thought it would be the other way around. I would think the H's are built to take it, but wondering if this is a common observation of tv versus 5er changes en route.
MEXICOWANDERER
Explorer
Jun 21, 2013
I saw people hauling rigs at 75 mph across Arizona in 110 degree summer heat. They were dodging "gators" left and right.
dennysbabe
Explorer
Jun 21, 2013
Thanks for the input but my question was more specific to the Goodyear Marathon trailer tire fail temperature. I thought someone out there might know if its similar to the Michelin fail temperature range. I'm assuming the fail temperature could vary among tire types but maybe not. Guess I'll just leave the monitor at 158 degrees unless I hear something different.
Lynnmor
Explorer
Jun 21, 2013
nremtp143 wrote:
fj12ryder wrote:
FWIW I measured the tire temperature with a non-contact infra-red gun, and it measured a quite a bit hotter than the TST read-out. In the neighborhood of 15°-20°. If the TST was showing 105°, the gun was reading closer to 125°. Just was wondering if everyone else was showing the same variation.

I noticed that too, but then realized that I was measuring the actual surface of the tire and the TST is measuring the air temp inside the tire. It doesn't take long for the outside surface temp to fall while in the shade or on cooler ground such as concrete instead of asphalt. I use an infrared thermometer at each stop, and check tires at the center of the sidewall, tread and also check the hubs(especially after heavy braking). Amazing at how much difference there is in temps, even form the sidewall to the tread.

I have the same thing with my TST. One correction, it measures the temperature at the end of the valve stem, NOT inside the tire.
nremtp143
Explorer
Jun 21, 2013
fj12ryder wrote:
FWIW I measured the tire temperature with a non-contact infra-red gun, and it measured a quite a bit hotter than the TST read-out. In the neighborhood of 15°-20°. If the TST was showing 105°, the gun was reading closer to 125°. Just was wondering if everyone else was showing the same variation.

I noticed that too, but then realized that I was measuring the actual surface of the tire and the TST is measuring the air temp inside the tire. It doesn't take long for the outside surface temp to fall while in the shade or on cooler ground such as concrete instead of asphalt. I use an infrared thermometer at each stop, and check tires at the center of the sidewall, tread and also check the hubs(especially after heavy braking). Amazing at how much difference there is in temps, even form the sidewall to the tread.
fj12ryder
Explorer III
Jun 21, 2013
FWIW I measured the tire temperature with a non-contact infra-red gun, and it measured a quite a bit hotter than the TST read-out. In the neighborhood of 15°-20°. If the TST was showing 105°, the gun was reading closer to 125°. Just was wondering if everyone else was showing the same variation.
Fire_Instructor
Explorer
Jun 21, 2013
Mine run in the 130 to 140 degree range on a hot day and a long run. I watch my TPS closely during the day, and my pressures generally climb from the 65psi "morning-cold temp" to the 74-76 psi range. My TPS doesn't have temp feature, so I Gus use an infrared thermometer gun ($50 on-line).
Huntindog
Explorer
Jun 21, 2013
coolbreeze01 wrote:
I touch my tires and axle hubs with my bare hands comfortably. I'll have to use the temp gauge on them one of these trips.

Can't do that here in AZ. No idea on what the temps actually are....I just know that they are HOT!!!
ScottG
Nomad
Jun 20, 2013
It's normally cool here but the tires in the sun run 110~115 after extended running at high speed on the highway.