Dry rot tires - how long do I have with them? - 2014+ Jeep Cherokee Forums
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post #1 of 35 (permalink) Old 06-02-2016, 04:35 PM Thread Starter
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Dry rot tires - how long do I have with them?

I ran over a big ole screw on the highway couple days ago, thankfully it was just small enough to still be eligible for patch.

Local shop told me I've got dry rot, and I confirmed visually later the cracks in between my treads. I haven't done a complete inspection yet to see for evidence in the sidewall.

He gave me a "before winter" answer on lifespan, but his tone indicated that as absolute max.

Through google search I've found a range of opinions, but many saying it can be very dangerous to drive on, the tires can split at any time, their efficacy has been compromised, etc.

Thoughts? Also, I've got 225/65 17 on right now, an opinions on widening out to 265/65 17?

Finally, his recommendation were the pirelli scorpion verde all-season plus, and there are lots of good reviews on those. Does anyone have experience with them?

EDIT: Probably should have mentioned: 2014 Cherokee 2.4l AWD latitude

EDIT 2: pictures of the dry rot

Last edited by eorlas; 06-02-2016 at 05:52 PM. Reason: car
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post #2 of 35 (permalink) Old 06-02-2016, 04:40 PM
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I ran over a big ole screw on the highway couple days ago, thankfully it was just small enough to still be eligible for patch.

Local shop told me I've got dry rot, and I confirmed visually later the cracks in between my treads. I haven't done a complete inspection yet to see for evidence in the sidewall.

He gave me a "before winter" answer on lifespan, but his tone indicated that as absolute max.

Through google search I've found a range of opinions, but many saying it can be very dangerous to drive on, the tires can split at any time, their efficacy has been compromised, etc.

Thoughts? Also, I've got 225/65 17 on right now, an opinions on widening out to 265/65 17?

Finally, his recommendation were the pirelli scorpion verde all-season plus, and there are lots of good reviews on those. Does anyone have experience with them?

EDIT: Probably should have mentioned: 2014 Cherokee 2.4l AWD
Hi,

You have a Latitude, correct ? I'm not sure 265/65s would fit. Not only are they wider, but somewhat taller as well. I think they fit on THs and perhaps AD2s, but maybe not on an AD1 Latitude (or Sport).

How many miles do you have on the tires ? Are they the Firestone Destination LE2s ?

Thanks..

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post #3 of 35 (permalink) Old 06-02-2016, 04:41 PM
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Don't know how a tire can get dry rot in 2 years (unless you live in the Sahara Desert). Typically, it takes about 5 years in the elements, but without seeing pictures, it is hard to say for sure. Maybe a second opinion is in order...just my 2 cents. Don't want to take tires issues lightly.

By-the-way, how many miles on the tires?
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post #4 of 35 (permalink) Old 06-02-2016, 04:43 PM Thread Starter
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Hi,

You have a Latitude, correct ? I'm not sure 265/65s would fit. Not only are they wider, but somewhat taller as well. I think they fit on THs and perhaps AD2s, but maybe not on an AD1 Latitude (or Sport).

How many miles do you have on the tires ? Are they the Firestone Destination LE2s ?

Thanks..
Yes, Latitude! Can't believe I missed that too. How do I check if I have AD1 or 2 Latitude?

The car is ~51k miles, I bought it used last October at ~42k miles. Was my first used purchase, and I didn't ask about the last time tires were changed, so probably never.

They are indeed Firestone Destination.
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post #5 of 35 (permalink) Old 06-02-2016, 04:45 PM
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@mults :
I've had winter Yokohamas (Geolanders) that dry rotted pretty quickly, and it was a bad batch of them. I still rolled on them until they wore out, but I did take some risks there. I wasn't aware the Firestones had a rotting problem.

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post #6 of 35 (permalink) Old 06-02-2016, 04:46 PM Thread Starter
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Don't know how a tire can get dry rot in 2 years (unless you live in the Sahara Desert). Typically, it takes about 5 years in the elements, but without seeing pictures, it is hard to say for sure. Maybe a second opinion is in order...just my 2 cents. Don't want to take tires issues lightly.

By-the-way, how many miles on the tires?
Would it be prudent for me to snap a few and attach them back here?
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post #7 of 35 (permalink) Old 06-02-2016, 04:48 PM
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Originally Posted by eorlas View Post
Yes, Latitude! Can't believe I missed that too. How do I check if I have AD1 or 2 Latitude?

The car is ~51k miles, I bought it used last October at ~42k miles. Was my first used purchase, and I didn't ask about the last time tires were changed, so probably never.

They are indeed Firestone Destination.
I guessed Latitude because of the tire size

As far as AD1 vs AD2 goes : if you have "Neutral" and "4Lo" on the range select knob (next to the shifter), then you have AD2. AD1s don't have Neutral or 4Lo.

At 51K miles, the Firestones are likely done, rot or not. I would replace them.

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post #8 of 35 (permalink) Old 06-02-2016, 04:58 PM
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Got a guy at work with about 50k on his tires (2014 Trailhawk) and they look almost new. Wouldn't replace if there is tread left, but if dry rotted, then definitely...

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post #9 of 35 (permalink) Old 06-02-2016, 05:12 PM
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Got a guy at work with about 50k on his tires (2014 Trailhawk) and they look almost new. Wouldn't replace if there is tread left, but if dry rotted, then definitely...
Not the same Firestones (LE2 vs A/T), but I am surprised the A/Ts can go well over 50K. I've heard and read the LE2s don't last very long, if you compare to eco tires or Michelins, for example.

Rotting sounds like a bad batch of tires, but I guess warranty is out of the question now...
@eorlas : can you check thread depth on those Firestones ?

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post #10 of 35 (permalink) Old 06-02-2016, 05:16 PM Thread Starter
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Not the same Firestones (LE2 vs A/T), but I am surprised the A/Ts can go well over 50K. I've heard and read the LE2s don't last very long, if you compare to eco tires or Michelins, for example.

Rotting sounds like a bad batch of tires, but I guess warranty is out of the question now...
@eorlas : can you check thread depth on those Firestones ?
With a copper Mr. Lincoln?
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