E load range tires

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One comment on this topic is that LT and P tires have different load ratings per psi. Goodyear has a good reference: http://www.goodyear....adInflation.pdf

 

If you look at the LT and P tables, you'll see that a LT tire @ 50 psi has about the same load rating as a P tire @ 35 psi. Also, most truck P tires have a max of 44 psi, so they are actually rated for more more load at 44 psi than an LT is at 50 psi. That said, the LT will be stiffer at 50 psi than a P @ 44, and can go as high as 80 on an E-rated tire (assuming the wheel can handle it). LT ties don't usually have more side wall "layers", but they have a stiffer/thicker side-wall that is "equivalent" to the old 6/8/10/12/etc ply designs.

[brantjs]

If they didn't do a tire relearn then you probably have to do that as well. Typically the tire place will remove all tires before installing new ones and the wheels get mixed up. On some systems and different makes this doesn't matter. On our trucks it matters because of both the type of system and the fact that they are supposed to be set at different pressures front and rear. Do the tire relearn, match the recommended pressures, and see if the light goes off. If not, the dealer can use a wand device to determine if the individual tpms sensors are responding or if they were damaged during the tire installation process. I'm going through this right now with my wife's minivan...installer broke 2 sensors while installing tires. The installer is going to cover the repair at a dealership ($340 for the two sensors), but it's been a huge headache.

[Roscopcoletrain]

Yeah when I bought my truck the rears must have been switched, as the right side needed air, but the left read low.

 

One of these trips to the dealer, I'll get them to relearn it.

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One of these trips to the dealer, I'll get them to relearn it.

 

 

You can do it yourself... instructions are in the user manual.

[kstruckcountry]

This all sounds like a pain.... Glad I don't have TPMS.

[Big Whiskey]

This all sounds like a pain.... Glad I don't have TPMS.

 

 

Yep, it is. I've always been perfectly fine with using a tire guage, lol

[slimjim2525]

Well I brought it back to costco where I had the tires installed. They "reset" the tpms, and the light is out. They set the psi at 40 in all tires, so all is good to go. So glad I didnt have to go back to the dealer, or damage a sensor.