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Old 07-18-2018, 07:15 PM   #1
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TMPS readings..

I just installed a 10 node TMPS.

I had my rig / tv weighed and I set my tire pressures based on the tables provided by the manufacture. Everything handles well.

During a long haul, my steer tires seem to have the highest increase in pressure... does this mean I am running an initially too low of pressure ?

thanks..
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Old 07-18-2018, 07:28 PM   #2
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Itís not abnormal for your steer tires to climb 15 psi. My steer are always higher in psi than the rear. Temp runs higher on steers also. If you tow a toad the side with the Motorhome exhaust will run higher also but temps stay the same.
Happy travels.
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Old 07-18-2018, 07:37 PM   #3
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If the vehicle listed on your sig is still correct then youíre towing with a truck. Ours always climbs 15+ psi as well and itís normal. Thatís why you need the pressures set ďcoldĒ before you start driving. The manufacturers know this and I believe thatís why you see max cold pressure listed on sidewall. Good travels.
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Old 07-19-2018, 01:58 PM   #4
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Quote:
Originally Posted by Duoglide1 View Post
If the vehicle listed on your sig is still correct then youíre towing with a truck.

Correct. I run a MDT. Tires are 22.5. My steer tires are set for 95 pounds..but normally they would be set at 110. My duallies are set for 100.



Thanks all.. since the tmps is new to me I wasn't sure what the reading should be..


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Old 07-19-2018, 02:17 PM   #5
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One of the big things with TPMS is learning what's normal so you know right off if there is an issue. One of the things that thru me for awhile is just how much difference in temp/pressure you get going down a long straight hwy where one side of the vehicle is in the sun and the other one isn't. I often see 5psi or so difference between sunny side and shaded side. Once you figure out what's normal for different outside conditions you'll also start noticing things like the changes from different load, such as all tanks full vs empty etc.
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Old 07-19-2018, 02:59 PM   #6
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Funny you mention that.



I did notice that on the sunny side the pressures were up over the non sunny side.. as well as the outer and inner dually.


I am surprised how cool the tires run..


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Old 07-19-2018, 04:01 PM   #7
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You will also notice that on very windy days the side getting the wind has cooler tires.

Over time you will become accustomed to the variations.

What I look for is a tire that runs hotter consistently. I will check that one in the morning with no sun on it with a tire gauge.
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