Blowout

[GTGallop]

See if you can have the other rear fitted to the spare wheel so you get a full sized spare (it's a full sized spare technically already but smaller than the rest). Then replace the back two, or replace the front two and have the old fronts moved to the back. I like the deeper tread on the front for steering and control.

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[Kemo Sabe]

I hit a pothole today and blew out my right rear tire.
haven’t taken inyet. I have 22;000 on my 2019 Ranger.
my question is will I need to replace all four ties?
TIA

No. Absolutely no. Don’t waste money. Have spare tire mounted on your chrome/dark wheel. Get a used tire mounted in that steel spare.
Good luck.

 

[Frenchy]

No. Absolutely no. Don’t waste money. Have spare tire mounted on your chrome/dark wheel. Get a used tire mounted in that steel spare.
Good luck.

Lol the spare tire on the Ranger isnt even the same size as the factory tires. Also on 4wd and AWD vehicles are required to replace all 4 if there is too much wear

 

[Kemo Sabe]

Lol the spare tire on the Ranger isnt even the same size as the factory tires. Also on 4wd and AWD vehicles are required to replace all 4 if there is too much wear

? dang. Didn’t know about the size differential!! Sucks. I was planning on working that spare into my rotations!!!!

 

[ControlNode]

Suck that happened too you.

If you have a 4x4 then yes replace all 4. Chances are there is enough wear to cause silly problems. If 2wd then you might be able to get away for a little bit.

On any surface that mismatched tread depth would be an issue the truck should be in 2WD mode anyway, so just replace like a RWD for this. Now if it was a sensitive AWD system like Subaru has or something, then yes, all four.

 

[Frenchy]

? dang. Didn’t know about the size differential!! Sucks. I was planning on working that spare into my rotations!!!!

Yep, chances are if younhave 17 inch wheels the spare uses a 16 inch. If you have 18 inch wheels then yoy have a 17 spare. I think the only exception is the XL with steel wheels.

 

[Frenchy]

On any surface that mismatched tread depth would be an issue the truck should be in 2WD mode anyway, so just replace like a RWD for this. Now if it was a sensitive AWD system like Subaru has or something, then yes, all four.

A 2wd vehicle will be fine replacing a pair at a time(as long as you keep the same size that is). 4wd and AWD vehicles must have all tires replaced if too much wear is present. Simple as that.

 

[ControlNode]

A 2wd vehicle will be fine replacing a pair at a time(as long as you keep the same size that is). 4wd and AWD vehicles must have all tires replaced if too much wear is present. Simple as that.

Nope, not that simple. The RS is AWD and does not have that rule, clearly states otherwise in the owner's manual. And on a 4WD since +95% it is it 2WD mode (no connection between front and rear axles) it can be safely treated like a 2WD setup. If you just want to spend more over a blowout and replace all 4, go for it. But I'm giving factual info for those that don't want to blow money they may not need to yet.

 

[Frenchy]

Nope, not that simple. The RS is AWD and does not have that rule, clearly states otherwise in the owner's manual. And on a 4WD since +95% it is it 2WD mode (no connection between front and rear axles) it can be safely treated like a 2WD setup. If you just want to spend more over a blowout and replace all 4, go for it. But I'm giving factual info for those that don't want to blow money they may not need to yet.

And that is where you are wrong. Every tire shop and dealer will have no problem educating you on this.

 

[Jason B]

And that is where you are wrong. Every tire shop and dealer will have no problem educating you on this.

Oh sure, a tire shop will tell you need all to replace all 4 out of their innate concern for your safety and performance of your vehicle, and no other reason beyond that.

 

[Frenchy]

Oh sure, a tire shop will tell you need all to replace all 4 out of their innate concern for your safety and performance of your vehicle, and no other reason beyond that.

How to see a tire shop wants to make money but it is still the truth. You don't have to like it just have to understand that it is the truth.

 

[ControlNode]

And that is where you are wrong. Every tire shop and dealer will have no problem educating you on this.

I used to work at a shop that did tires/batteries/shocks. Unless the car was full time AWD I would suggest based on the customers needs, and if they didn't need 4 on a 4WD I didn't suggest it. In todays market due to how advanced some of the AWD systems are I would go on what the owner's manual states, or err on the side of safety and suggest 4 if it could not be found that the manual states otherwise. Back in the 90s about the only cars we encountered with AWD were Subarus, also the random truck/van that was AWD instead of 4WD. Also fairly sure the Honda RT4WD/RTAWD systems can be treated as FWD for tire replacements, but I no longer have the manual from my CR-V on hand since I sold it.

But for your education:

 

[Frenchy]

I used to work at a shop that did tires/batteries/shocks. Unless the car was full time AWD I would suggest based on the customers needs, and if they didn't need 4 on a 4WD I didn't suggest it. In todays market due to how advanced some of the AWD systems are I would go on what the owner's manual states, or err on the side of safety and suggest 4 if it could not be found that the manual states otherwise. Back in the 90s about the only cars we encountered with AWD were Subarus, also the random truck/van that was AWD instead of 4WD. Also fairly sure the Honda RT4WD/RTAWD systems can be treated as FWD for tire replacements, but I no longer have the manual from my CR-V on hand since I sold it.

But for your education:

But how far worn is the question? If you only have up to 2/32nds of wear then you are fine. If you have more then that it will have problems. It will create accelerated wear on the powertrain. Also on a 4wd if you have tires that are worn more than hanlf up front and put new tires in the back the vehicle will start to buck the moment you put it in 4wd. How? Simple the tires are different diamiters and will fight eachother due to the transfercase not having any type of differential.

 

[ControlNode]

But how far worn is the question? If you only have up to 2/32nds of wear then you are fine. If you have more then that it will have problems. It will create accelerated wear on the powertrain. Also on a 4wd if you have tires that are worn more than hanlf up front and put new tires in the back the vehicle will start to buck the moment you put it in 4wd. How? Simple the tires are different diamiters and will fight eachother due to the transfercase not having any type of differential.

On my RS I had just put new tires on one of my wheel sets and had a sidewall blowout from a pothole, I put one of my other wheels on until I could get the new tire ordered and mounted. Drove around fine with 3 new tires and one almost to the 2/32 wear indicators all of them were 235/35R19 Continentals and there were no issues at all. The worn tire was on the primary drive axle even.

Bucking shouldn't happen in 4WD with different amounts of wear on front/rear if only engaged on slippery/loose surfaces as the manual states, one of the tires should be able to easily slip. If it's bucking you have too much traction and should be in 2WD mode anyway. And the tire different from mismatched front/rear wear on the same brand/model/size tires is going to have less impact than steering will on the rotation difference.

 

[Jason B]

But how far worn is the question? If you only have up to 2/32nds of wear then you are fine. If you have more then that it will have problems. It will create accelerated wear on the powertrain. Also on a 4wd if you have tires that are worn more than hanlf up front and put new tires in the back the vehicle will start to buck the moment you put it in 4wd. How? Simple the tires are different diamiters and will fight eachother due to the transfercase not having any type of differential.

Which is why you never run 4x4 on dry pavement. Offroad, the tires will slip enough to prevent binding. If a 1/4" difference in wear between tires is a problem, you better get a precisely calibrated air gauge to be sure there is no difference in diameter between any of the tires.

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