Tire Rotations: How often are you planning on doing them?

[NavyVet1959]

Ideally, I want all five tires to be worn the same, so I prefer to do a 5 tire rotation. This means that if I have a flat and am forced to use the spare, it's going to be the same diameter as all the other tires and it won't look out of place. Of course, this also means that you get 20% more miles on the tires. If you do not use a 5 tire rotation, when you change your tires, there's a chance that your new tires might be a different size or tread pattern than your previous tires. And if you only do a 4 tire rotation, that spare tire might end up a bit old by the time you finally need it and started to dry rot. I never needed to use the spare tire on my Ram 1500. It had a steel rim that did not match the alloy rims, so I did not put it in the tire rotation. I had that truck for 14 years I think I might have had to use the tire once or twice over the years, but I could have probably got away with just airing up the tire and making it to the nearest tire shop. Of course the spare would look like it has a full tread, but I suspect that the next owner might get a bit of a surprise if he ever tried to use it. Most of the time though, I was always able to just add more air and make it home or to a tire store to fix it and not have to use the spare.

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[Sftdyna0326$]

Ideally, I want all five tires to be worn the same, so I prefer to do a 5 tire rotation. This means that if I have a flat and am forced to use the spare, it's going to be the same diameter as all the other tires and it won't look out of place. Of course, this also means that you get 20% more miles on the tires. If you do not use a 5 tire rotation, when you change your tires, there's a chance that your new tires might be a different size or tread pattern than your previous tires. And if you only do a 4 tire rotation, that spare tire might end up a bit old by the time you finally need it and started to dry rot. I never needed to use the spare tire on my Ram 1500. It had a steel rim that did not match the alloy rims, so I did not put it in the tire rotation. I had that truck for 14 years I think I might have had to use the tire once or twice over the years, but I could have probably got away with just airing up the tire and making it to the nearest tire shop. Of course the spare would look like it has a full tread, but I suspect that the next owner might get a bit of a surprise if he ever tried to use it. Most of the time though, I was always able to just add more air and make it home or to a tire store to fix it and not have to use the spare.

Your thinking a little to far into it, by keeping the spare in place when you replace your tires you can just buy three and use the best one as the spare

 

[NavyVet1959]

Your thinking a little to far into it, by keeping the spare in place when you replace your tires you can just buy three and use the best one as the spare

That assumes that you are replacing the tires with the exact same brand and size that was on there previously. That seldom happens with me.

 

[Sftdyna0326$]

That assumes that you are replacing the tires with the exact same brand and size that was on there previously. That seldom happens with me.

Then I completely understand.

 

[NavyVet1959]

Then I completely understand.

Even if you stay with the same size, there's a chance that the manufacturer will not be making the same tread pattern 4 years later when you need to change tires. And it just kind of sticks out like a sore thumb if one tire is different. It's like when you have a car that only has the "donut" type temporary spare tires and you have a flat and are forced to use it for awhile.

Not that I didn't have mismatched tread patterns on some of my cars in my younger (i.e. poor student) days. But back then, the fenders of the cars covered up the tires a bit more and unless you got down on the ground to look at it, you might not notice it. Back then, as long as the tire was still holding air, I would keep using it. I didn't care if it had any tread left or not. And back then, it wasn't uncommon for pickups to have mud tires on the rear and street tires on the front. 4WD pickups weren't that common and the "off-roading" that they truck did was on the ranch, so if you got stuck, you just walked back to the barn and got the tractor to pull you out.

 

[Sftdyna0326$]

Even if you stay with the same size, there's a chance that the manufacturer will not be making the same tread pattern 4 years later when you need to change tires. And it just kind of sticks out like a sore thumb if one tire is different. It's like when you have a car that only has the "donut" type temporary spare tires and you have a flat and are forced to use it for awhile.

Not that I didn't have mismatched tread patterns on some of my cars in my younger (i.e. poor student) days. But back then, the fenders of the cars covered up the tires a bit more and unless you got down on the ground to look at it, you might not notice it. Back then, as long as the tire was still holding air, I would keep using it. I didn't care if it had any tread left or not. And back then, it wasn't uncommon for pickups to have mud tires on the rear and street tires on the front. 4WD pickups weren't that common and the "off-roading" that they truck did was on the ranch, so if you got stuck, you just walked back to the barn and got the tractor to pull you out.

LOL

 

[Biscuit]

Even if you stay with the same size, there's a chance that the manufacturer will not be making the same tread pattern 4 years later when you need to change tires.

And even if you buy tires of the same size but different brand or model, they may not be exactly the same diameter as the originals. That's why mixing tire brands/models, especially on a 4x4, is unwise.

 

[Sftdyna0326$]

And even if you buy tires of the same size but different brand or model, they may not be exactly the same diameter as the originals. That's why mixing tire brands/models, especially on a 4x4, is unwise.

They very rarely are! I remember I had Goodyear RT’s in 31” back in the 80’s and decided to get some 33 Mickey Thompson’s well guess what they actually were actually no bigger then the Goodyear’s. That really sucked!

 

[Cledus601]

Does the TPMS automatically "learn" the new location of the tire and wheel?

 

[raqball]

I'll rotate mine at every oil change.

 

[NavyVet1959]

Does the TPMS automatically "learn" the new location of the tire and wheel?

Depends upon the type of TPMS that it is using. Some of cars use a TPMS that just relies on the number of rotations of a wheel in comparison to the number of rotations of the other wheels. If a tire is low, the diameter is less, thus it will have more rotations over a given distance than the other tires. Other systems have some sort of wireless pressure measuring device mounted in the tire or on the valve stem. The ones that use the rotation method end up being cheaper since there is nothing that needs replacing or could be damaged when you change tires on a wheel.

 

[Cledus601]

Depends upon the type of TPMS that it is using. Some of cars use a TPMS that just relies on the number of rotations of a wheel in comparison to the number of rotations of the other wheels. If a tire is low, the diameter is less, thus it will have more rotations over a given distance than the other tires. Other systems have some sort of wireless pressure measuring device mounted in the tire or on the valve stem. The ones that use the rotation method end up being cheaper since there is nothing that needs replacing or could be damaged when you change tires on a wheel.

I'm talking about stock tpms if I move front to rear and left to right will the system learn the new location of the wheel and display the correct pressure to location.

 

[Rhinebeck01]

Does the TPMS automatically "learn" the new location of the tire and wheel?

@Cledus601
@NavyVet1959

In regard to your JL's TPMS:

How does the JL/JLU know which tire/rim/wheel is where .....

Well, there are 3 sensors on the chassis that monitor the 4 TPMS Sensors found on the 4 tire (rim) positions.

Info from the 3 chassis sensors is transmitted to the Wireless Control Module. There is no need for a 4th chassis sensor as the computer uses the process of elimination to determine the fourth tire location.

Yes, your JLU/JL knows exactly which rim is where, within seconds of a tire rotation for example. Yes, It's all done automatically.

There is a TPMS sensor in the factory mounted spare but it is not read by a chassis sensor/ considered by the computer until it is placed in one of the 4 tire positions.

.

 

[Cledus601]

@Cledus601
@NavyVet1959

In regard to your JL's TPMS:

How does the JL/JLU know which tire/rim/wheel is where .....

Well, there are 3 sensors on the chassis that monitor the 4 TPMS Sensors found on the 4 tire (rim) positions.

Info from the 3 chassis sensors is transmitted to the Wireless Control Module. There is no need for a 4th chassis sensor as the computer uses the process of elimination to determine the fourth tire location.

Yes, your JLU/JL knows exactly which rim is where, within seconds of a tire rotation for example. Yes, It's all done automatically.

There is a TPMS sensor in the factory mounted spare but it is not read by a chassis sensor/ considered by the computer until it is placed in one of the 4 tire positions.

.

Thank you very much for that information .Exactly what I was wondering .

 

[NavyVet1959]

Personally, I think that it *should* have been designed to display the pressure in the spare tire also. They were probably lazy and didn't, but the *should* have done it. Probably less of an issue since the tire is mounted up high enough that you can easily check it by hand, but if you're going to be displaying the pressure of the other 4 tires, you might as well display the pressure in the fifth.

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