I got an IR thermometer "gun" and started using it on this trip for the first time. I'm not sure what I'm looking for. After an hour of 60mph driving in 70 degree F temperature, I pulled off the road and measured the dual rear wheels.Both outside tires (sidewalls) were 108 degrees, and both interior tires (sidewalls as best I could) were 111 degrees. Front tires were 107 degrees each.1. I'm assuming these are all pretty close so nothing bad stands out -- Is that correct?2. I'm assuming the 3 degrees difference between rear outside and rear inside was due to less air circulation for the inside tire, but that is ok? Would YOU agree?3. I've searched forums for tire temperature interpretation, and only found one comment to beware if the tire temp gets more than 60 degrees above ambient air. Are there any other rules-of-thumb that YOU use?4. I assume we're most concerned about significantly different hot temperatures. When do YOU get worried: 1 tire 10 degrees warmer, 20 degrees, 50 degrees warmer than its neighbors?Thanks so much for your advice. I'm hoping we can reach some consensus that will be valuable to many people looking for Tire Temperatures!

I shoot between the tire threads....second thread in and from same distance.I am looking for temp higher than other tires on same side.....and what kind of trend is going on.For me....15*F difference between tires on same side is reason for concern.

1st i don't use a laser thermometer, a laser thermometer is only good when you're stopped....and on a long ride we might rack up 8-12 hrs between stops.My TST tpms, pressure/temp monitoring system has registered 165* in stop an go traffic on 105* daysive also seen tire temps drop quickly (to near ambient air temp) with the slightest bit of rain.I have also noticed slightly higher temps on the tires closest to my generator (when i run the generator).I wonder at the stops you use the laser thermometer are you ask checking the tire pressure ? Tire pressure can effect tire temperature.with a TPMS system you know both - realtime, rolling or stopped.

Your temperatures are about what I see from my tire pressure monitors. Sometimes the side that faces the sun may run slightly higher then shaded side. What surprised me was how fast the tires heat up. Also my dingy tires run a few degrees warmer than the motorhome.

I have never measured the temp of either the MH or the car tires in the 10 years I have owned them. I just make sure the pressures are correct.

I think what you are doing with the laser gun is perfect. Also, you can shoot your brakes and your center wheel bearings too. Those guns will also find hot spots in your wiring if you are troubled by intermittent connections and don't know where to look, loose wires tend to heat up the connections so your laser gun will find that. Check your battery connections too, and connections to grounds.

Tire Temperature - What is Significant? | Good Sam Community

lunch_surfer
Explorer
Aug 12, 2014
Oh yes
Bought a 3/4" drive Impact wrench rated at 1000ft lbs torque
Waited 5 hours on side of road for Coach Net
On major high Way just south of Marble Fall Texas 60 miles north of Austin
It was on a Monday Morning cause weekends are harder to find help, right!
Had my own spare also Michelin 275 80 22.5 LRH DOT 4208 no miles
Will not wait for Coach Net next time
Thinking about quitting their service this was sad
Again no solution.......
Keeping up my daily prayers cause we are all safe

ctc
lunch_surfer
Explorer
Aug 12, 2014
Not sure any of this matters........
Had a blow out lat week.
Michelin XZA3 275 80 22.5 LRH dot 4208
120 psi in it
120*F temp per TST TPMS
Fist size rupture on inside side wall passenger front
No damage other than that
5500lbs on tire
22,000 miles on tire
Not going to change anything
Bought 2 new ZXA3 mounted and balance $1200
back on road
Going to see if Michelin will help with cost
Turning it over to God cause that what it seems like to me.

ctc
vegasfoodguy
Explorer II
Aug 12, 2014
travelzoo wrote:
Alfred622 wrote:
I got an IR thermometer "gun" and started using it on this trip for the first time. I'm not sure what I'm looking for. After an hour of 60mph driving in 70 degree F temperature, I pulled off the road and measured the dual rear wheels.

Both outside tires (sidewalls) were 108 degrees, and both interior tires (sidewalls as best I could) were 111 degrees. Front tires were 107 degrees each.

1. I'm assuming these are all pretty close so nothing bad stands out -- Is that correct?

2. I'm assuming the 3 degrees difference between rear outside and rear inside was due to less air circulation for the inside tire, but that is ok? Would YOU agree?

3. I've searched forums for tire temperature interpretation, and only found one comment to beware if the tire temp gets more than 60 degrees above ambient air. Are there any other rules-of-thumb that YOU use?

4. I assume we're most concerned about significantly different hot temperatures. When do YOU get worried: 1 tire 10 degrees warmer, 20 degrees, 50 degrees warmer than its neighbors?

Thanks so much for your advice. I'm hoping we can reach some consensus that will be valuable to many people looking for Tire Temperatures!

Where are you buying these thermometers and at what cost??

Harbor Freight, around $25.00
travelzoo
Explorer
Aug 12, 2014
Alfred622 wrote:
I got an IR thermometer "gun" and started using it on this trip for the first time. I'm not sure what I'm looking for. After an hour of 60mph driving in 70 degree F temperature, I pulled off the road and measured the dual rear wheels.

Both outside tires (sidewalls) were 108 degrees, and both interior tires (sidewalls as best I could) were 111 degrees. Front tires were 107 degrees each.

1. I'm assuming these are all pretty close so nothing bad stands out -- Is that correct?

2. I'm assuming the 3 degrees difference between rear outside and rear inside was due to less air circulation for the inside tire, but that is ok? Would YOU agree?

3. I've searched forums for tire temperature interpretation, and only found one comment to beware if the tire temp gets more than 60 degrees above ambient air. Are there any other rules-of-thumb that YOU use?

4. I assume we're most concerned about significantly different hot temperatures. When do YOU get worried: 1 tire 10 degrees warmer, 20 degrees, 50 degrees warmer than its neighbors?

Thanks so much for your advice. I'm hoping we can reach some consensus that will be valuable to many people looking for Tire Temperatures!

Where are you buying these thermometers and at what cost??
Old-Biscuit
Explorer III
Aug 11, 2014
Artum Snowbird wrote:
I think what you are doing with the laser gun is perfect. Also, you can shoot your brakes and your center wheel bearings too.

Those guns will also find hot spots in your wiring if you are troubled by intermittent connections and don't know where to look, loose wires tend to heat up the connections so your laser gun will find that. Check your battery connections too, and connections to grounds.

X2.
Simple, easy to use 'tool'
Artum_Snowbird
Explorer
Aug 11, 2014
I think what you are doing with the laser gun is perfect. Also, you can shoot your brakes and your center wheel bearings too.

Those guns will also find hot spots in your wiring if you are troubled by intermittent connections and don't know where to look, loose wires tend to heat up the connections so your laser gun will find that. Check your battery connections too, and connections to grounds.
Mandalay_Parr
Explorer
Aug 11, 2014
I have never measured the temp of either the MH or the car tires in the 10 years I have owned them.
I just make sure the pressures are correct.
big_jim_2
Explorer II
Aug 11, 2014
Your temperatures are about what I see from my tire pressure monitors. Sometimes the side that faces the sun may run slightly higher then shaded side. What surprised me was how fast the tires heat up. Also my dingy tires run a few degrees warmer than the motorhome.
bshpilot
Explorer
Aug 11, 2014
1st i don't use a laser thermometer, a laser thermometer is only good when you're stopped....and on a long ride we might rack up 8-12 hrs between stops.

My TST tpms, pressure/temp monitoring system has registered 165* in stop an go traffic on 105* days
ive also seen tire temps drop quickly (to near ambient air temp) with the slightest bit of rain.

I have also noticed slightly higher temps on the tires closest to my generator (when i run the generator).

I wonder at the stops you use the laser thermometer are you ask checking the tire pressure ? Tire pressure can effect tire temperature.

with a TPMS system you know both - realtime, rolling or stopped.
Old-Biscuit
Explorer III
Aug 11, 2014
I shoot between the tire threads....second thread in and from same distance.

I am looking for temp higher than other tires on same side.....and what kind of trend is going on.

For me....15*F difference between tires on same side is reason for concern.

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