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Old 06-24-2019, 08:48 PM   #1
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TPMS pressure and temp settings

Hello all and thanks for reading! I just got a new TPMS system for my Shasta Phoenix 5er. It's a new unit and we've put maybe 1500 miles on since picking it up new from the dealer in Ca. It came with Ly 188 Constancy ST235/80R16 E with a max inflation of 80 PSI. I have TST 507 sensors and would like guidance on min/pressure and temp settings. I live in Las Vegas and the temp goes up pretty high in the summer. Suggestions? Thanks for any suggestions. Will probably replace the tires next summer/spring but for now...
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Old 06-24-2019, 09:03 PM   #2
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I found this online as I couldn't remember.



https://tsttruck.com/media/productsu...c-TS-_A__4.pdf



What should I set my pressure and temperature parameters at in the display? The recommended high-pressure alarm should be set at 20% above your normal tire pressure you typically run in your tires. The low-pressure alarm should be set at 10% below your normal tire pressure. In areas of high ambient heat, like Arizona or Florida, the high-pressure alarm should be set to 25% above your normal operating pressure to avoid unnecessary alerts. For your temperature setting, the default of 158 is safe for all tires. Tires typically fail between 170 200 F.
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Old 06-24-2019, 09:08 PM   #3
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Quote:
Originally Posted by Nancyc7 View Post
I found this online as I couldn't remember.



https://tsttruck.com/media/productsu...c-TS-_A__4.pdf



What should I set my pressure and temperature parameters at in the display? The recommended high-pressure alarm should be set at 20% above your normal tire pressure you typically run in your tires. The low-pressure alarm should be set at 10% below your normal tire pressure. In areas of high ambient heat, like Arizona or Florida, the high-pressure alarm should be set to 25% above your normal operating pressure to avoid unnecessary alerts. For your temperature setting, the default of 158 is safe for all tires. Tires typically fail between 170 200 F.

Yes, your user's manual will give sufficient instructions.
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Old 06-24-2019, 09:59 PM   #4
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Im in Vegas also with the same set up. I think the 507 lowest setting is 145 so I started there. As for pressure I went right at 20%.
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Old 06-24-2019, 11:23 PM   #5
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Tire Cracks by rim

So this is old search, but my tires on my 2014 Rockwood Signature which I purchased used last November has Trail Express tires on them. I expressed concern on their age at the time of purchase but was assured they were in good shape.
So I have been out 3 times camping within 1hour drive of home each. Now I see cracks around tire by rims. I put spare on before leaving last campground. I am wondering if I should replace all now even though not looking like this one. OR get more use out of the others. From the thread in comments they are CRAPPY tires?]
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Old 06-25-2019, 12:36 PM   #6
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You must be more of a gambler than me. I'd have all 5 in a dumpster.
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Old 06-25-2019, 12:43 PM   #7
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D Sgt, see if this post helps:
https://learntorv.com/how-to-use-your-tpms/

Linda Hartin, ST tires age out at 4-5 years. Your 2014 was likely built in 2013. Check the date code on them and make a decision but my guess is you're on borrowed time at this point. See this site (not mine) for how to read it:
How old are my tires? - CheckTire.com
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Old 06-25-2019, 08:26 PM   #8
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Wow, really good article! Thanks for the info!!
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Old 06-26-2019, 11:32 PM   #9
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Quote:
Originally Posted by Linda Hartin View Post
So this is old search, but my tires on my 2014 Rockwood Signature which I purchased used last November has Trail Express tires on them. I expressed concern on their age at the time of purchase but was assured they were in good shape.
So I have been out 3 times camping within 1hour drive of home each. Now I see cracks around tire by rims. I put spare on before leaving last campground. I am wondering if I should replace all now even though not looking like this one. OR get more use out of the others. From the thread in comments they are CRAPPY tires?]
I would replace those tires immediately with Goodyear Endurance tires. They are a ticking time bomb.
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