Good Sam Club Open Roads Forum: Tow Vehicles: Wierd Marks Appearing On Tires
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 > Wierd Marks Appearing On Tires

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PointyWombat

Calgary, AB, Canada

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Posted: 09/22/19 12:25am Link  |  Quote  |  Print  |  Notify Moderator

These vertical marks around the tire circumfrence stared to appear on the rear tires of my 2012 silverado 3500 SRW. I recently rotated my tires and front tires did not have these marks. Since rotating, the marks have started to appear after approx 3000 miles. I tow occationally a ~11k lb. fiver. I've towed several times since rotating.

The tires are Cooper Discoverer X/T4 with approximately 35000 miles.

[image]

https://imgur.com/gallery/8L5vgwE

Any thoughts on what these indicate would be appreciated.

Thanks,
PW


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4x4ord

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Posted: 09/22/19 03:39am Link  |  Quote  |  Print  |  Notify Moderator

[image]
[image]Click For Full-Size Image.


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ADAD437

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Posted: 09/22/19 05:01am Link  |  Quote  |  Print  |  Notify Moderator

looks like something is rubbing the tire when loaded.


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97chevor

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Posted: 09/22/19 05:19am Link  |  Quote  |  Print  |  Notify Moderator

Sorry, I don't see what is wrong with the tire?

dodge guy

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Posted: 09/22/19 05:35am Link  |  Quote  |  Print  |  Notify Moderator

Looks like a tire replacement indicator. On some tires they show up when they are nearing replacement. And from the looks of the tires they are due anyway.


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mich800

Pontiac, MI

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Posted: 09/22/19 05:43am Link  |  Quote  |  Print  |  Notify Moderator

I have never seen a wear bar like that just the raised patches between tread blocks also shown in the pic. I looks like something is rubbing. Do they show on both sides?

mich800

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Posted: 09/22/19 05:48am Link  |  Quote  |  Print  |  Notify Moderator

After enlarging the pic it does look like they are molded in. The groove does not cut through the edge of the tread blocks. If that is a wear indicator that is a new one for me. Interesting what it really is.

Terryallan

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Posted: 09/22/19 06:25am Link  |  Quote  |  Print  |  Notify Moderator

I don't any thing but a the tire wearing more in the middle than the edges. Prolly from over inflation.


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CaLBaR

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Posted: 09/22/19 06:29am Link  |  Quote  |  Print  |  Notify Moderator

I think it might be a replacement indicator. With all of the sipping not sure but look like a winter or true 4 season tire. Winter tires and true 4 season tires with the mountain snowflake have a second set of wear indicators to show when there is not enough tread left to be safe in winter conditions.

If you have the severe winter mountain snowflake on these tires I am pretty sure that is what this vertical line is.


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Tyler0215

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Posted: 09/22/19 06:56am Link  |  Quote  |  Print  |  Notify Moderator

With 35K miles you are ready for new tires.

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