Any transmission shifting concerns after bigger tires?

[goldberg_21]

Is there any concern of increased transmission wear and tear because of late transmission shifting or no calibration if we go to a 275 from a 245 on SR5?

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[brumey]

Following…….

 

[jcaluya27]

Following also. Great question.

 

[Gunnarbeardsly]

Is there any concern of increased transmission wear and tear because of late transmission shifting or no calibration if we go to a 275 from a 245 on SR5?

I have 315s and beadlocks, and the speedo is correct. No setting anything. Also have second set of factory tpms sensors. Literally a mode to set a second set of tires. Im a 5 over driver but i still enjoy the pep the 6th gen has and it hasnt had any weird quirks and im 6k into bigger tires

 

[6GenChad]

I'm on 35x12.5R17 and haven't felt any hiccup from the transmission while on the bigger tires. The speedo seems to be correct as well. The only hiccup is when the 4Runner is cold, the first two shifts can be a little rough, but after that, it's all butter.

 

[romik]

For those who changed their SR5 tires from 245 to 275/70/R17, did you notice any delay in steering response as well?

 

[QuezJacq]

I have 315s and beadlocks, and the speedo is correct. No setting anything. Also have second set of factory tpms sensors. Literally a mode to set a second set of tires. Im a 5 over driver but i still enjoy the pep the 6th gen has and it hasnt had any weird quirks and im 6k into bigger tires

Can you explain the mode to set a second set of tires in a little more detail?

 

[6GenChad]

For those who changed their SR5 tires from 245 to 275/70/R17, did you notice any delay in steering response as well?

Steering should be relatively the same, as it's now electric instead of hydraulic. I am on 35s and haven't felt a difference

 

[romik]

Steering should be relatively the same, as it's now electric instead of hydraulic. I am on 35s and haven't felt a difference

Thank you for the quick response. I’ve heard it’s more noticeable on the SR5, on the other hand, there are very few comments about it. I’ve been researching gear and axel ratios, and it seems that larger tires affect shifting more on the SR5 than on higher trims. The axel ratio information for models like the Trailhunter isn’t publicly available to compare with the lower trims. Toyota seems to be very conservative about releasing technical details unlike Ford, which shares nearly every specification when you build a Bronco.

 

[brumey]

I also wonder if the larger tires put more strain on the electric steering. I would hope the electric steering components are the same across all models but, who knows. Larger tires with a larger area of rubber on the road probably does have a larger load on the electric motor but maybe they engineered it to deal with that or, you will find out when its out of warranty

 

[oxmodius]

For those who changed their SR5 tires from 245 to 275/70/R17, did you notice any delay in steering response as well?

Put this setup on my SR5 and haven't noticed a negative thing at all. Road noise is a little louder due to increased tread but other than that it rides and feels as good as stock.

 

[Gunnarbeardsly]

Can you explain the mode to set a second set of tires in a little more detail?

I ordered a second set of tpms sensors for a 2025 4runner for my 315s. The 4runner is setup for accepting a complete second set of tires. I.e. winters its setup in the dash to be able to select the second set, and once you do it will recognize them.

 

[romik]

I ordered a second set of tpms sensors for a 2025 4runner for my 315s. The 4runner is setup for accepting a complete second set of tires. I.e. winters its setup in the dash to be able to select the second set, and once you do it will recognize them.

This thread is not about TPMS sensors, please stop posting irrelevant comments. Thank you!

 

[6GenChad]

Thank you for the quick response. I’ve heard it’s more noticeable on the SR5, on the other hand, there are very few comments about it. I’ve been researching gear and axel ratios, and it seems that larger tires affect shifting more on the SR5 than on higher trims. The axel ratio information for models like the Trailhunter isn’t publicly available to compare with the lower trims. Toyota seems to be very conservative about releasing technical details unlike Ford, which shares nearly every specification when you build a Bronco.

I could understand why it would possibly effect that, since it is the most basic, bare bones trim. I would imagine Toyota had that in mind. If they made it easier for us for us to fit 35’s. I’d imagine they thought about it

 

[QuezJacq]

I ordered a second set of tpms sensors for a 2025 4runner for my 315s. The 4runner is setup for accepting a complete second set of tires. I.e. winters its setup in the dash to be able to select the second set, and once you do it will recognize them.

When selecting the winter tires in there - you can select the size of the tires? I haven't had mine long enough to explore the settings yet.

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