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Old 01-16-2016, 02:48 AM
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Rossi6998
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Default Split in tire

While checking my tires, I noticed a split on the inside tread of my driver's front tire (See photos). I have never seen anything like this before. Thoughts...

EDIT: Tires have a little over 11,000 miles.
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Last edited by Rossi6998; 01-16-2016 at 03:26 AM.
Old 01-16-2016, 03:10 AM
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hisvett
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Looks like some separation going on; I'd be planning a trip to the dealer real soon for an adjustment. How many miles are we looking at? Looks like you are down around the 50% of tread life.....
Old 01-16-2016, 03:13 AM
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L8ter
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Looks like a warranty issue to me.
Can't help but wonder if it's related to the skipping of the tires during sharp turns?
I first thought was maybe related to using the tires when it's to cold, but I noticed your in L A. I don't think it gets that cold in your location, does it?
No matter what the cause, still a warranty issue.
Old 01-16-2016, 03:22 AM
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Rossi6998
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Originally Posted by hisvett
Looks like some separation going on; I'd be planning a trip to the dealer real soon for an adjustment. How many miles are we looking at? Looks like you are down around the 50% of tread life.....
A little over 11,000 miles.
Old 01-16-2016, 03:25 AM
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Rossi6998
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Originally Posted by L8ter
Looks like a warranty issue to me.
Can't help but wonder if it's related to the skipping of the tires during sharp turns?
I first thought was maybe related to using the tires when it's to cold, but I noticed your in L A. I don't think it gets that cold in your location, does it?
No matter what the cause, still a warranty issue.
Southern California temperature is probably similar to Florida. Lately, it has been 60's during the day and high 40's/low 50's at night.
Old 01-16-2016, 02:21 PM
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Originally Posted by Rossi6998
A little over 11,000 miles.
Interesting.....please post what the dealer comes back with....now I need to take a close look at my tires (18K miles). Just a shot in the dark here....been on the track/Auto-X, could you have over heated the tires?

Can't see how slow turn skip would cause this issue...
Old 01-16-2016, 05:22 PM
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You will likely be dealing with Michelin not GM. I don't think tires are covered by the GM warranty.
Old 01-16-2016, 05:51 PM
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Originally Posted by rossi6998
while checking my tires, i noticed a split on the inside tread of my driver's front tire (see photos). I have never seen anything like this before. Thoughts...

Edit: Tires have a little over 11,000 miles.
had trouble with a mich. Tire last year on my audi ....they were very good and replace 4 tires and a very fair price ...the dealer has nothing to do with it .... Get the phone # from a dealer ...call and speak with mich .....the dealer will be asked for input also ...they were great to me ..good luck ..
Old 01-16-2016, 09:30 PM
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Rossi6998
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Originally Posted by hisvett
Interesting.....please post what the dealer comes back with....now I need to take a close look at my tires (18K miles). Just a shot in the dark here....been on the track/Auto-X, could you have over heated the tires?

Can't see how slow turn skip would cause this issue...
Car has never been tracked. No modifications to car, except rims were swapped out from painted to chrome.
Old 01-16-2016, 10:06 PM
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Originally Posted by rmorin1249
You will likely be dealing with Michelin not GM. I don't think tires are covered by the GM warranty.
Spoke with service advisor at dealer today and sent photos of the tire. Limited staff on Saturdays. Advisor needs to speak with someone else on Monday. He made mention he had done a tire warranty issue through Michelin on a different GM vehicle (not Corvette model) before.

Moved the car today and got a better look at the tire (see photos). I would be surprised if I did not have to replace the tire. Definitely looks like a tire defect issue and I don't see how anyone could honestly say I caused the issue.

I will keep everyone updated.
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Last edited by Rossi6998; 01-16-2016 at 10:07 PM.
Old 01-16-2016, 10:14 PM
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That tire sure doesn't look good. Hope the dealer/Michelin comes through for you - let us know.
Old 01-16-2016, 10:21 PM
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Originally Posted by Vetteman Jack
That tire sure doesn't look good. Hope the dealer/Michelin comes through for you - let us know.
Old 01-17-2016, 03:14 AM
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I'd say this is the result of the non-Ackerman steering design. The forces developed between the edges of the tires and a very grippy surface (like broom-swept finish on concrete) are going to be very high before the tire lets go and skips, much higher than on a smoother surface.
Old 01-17-2016, 06:40 AM
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Now I need to go and check my tires...
Old 01-17-2016, 06:41 AM
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My front tires had similar cracks, but recently replaced them.
Old 01-17-2016, 08:06 AM
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Looks like another C7 problem.
Old 01-17-2016, 09:17 AM
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Originally Posted by WelderGuy
I'd say this is the result of the non-Ackerman steering design. The forces developed between the edges of the tires and a very grippy surface (like broom-swept finish on concrete) are going to be very high before the tire lets go and skips, much higher than on a smoother surface.
The rubber looks like it was pulled to the stretch limit and failed. It would be interesting to have the rubber tested. Thanks for posting, have to keep checking tires, especially after a noticeable tire skipping turn and cold winter temperatures.

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Old 01-17-2016, 12:21 PM
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Rossi6998
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Originally Posted by beachguy
My front tires had similar cracks, but recently replaced them.
How many miles did you have on the tires before you replaced them? Did you use the GM or Michelin warranty? If you used the Michelin warranty, what was the process?

Thanks
Old 01-18-2016, 12:40 PM
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Will the tire skip,jump,hop cause more wear on the inside rib of the front tire. My fronts are an even 8/32 all across except for the inside rib which measures 7/32. Is this cause for alignment or is this normal wear for a NON-Ackerman front end.
Old 01-18-2016, 12:50 PM
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Originally Posted by Cirrus8
Will the tire skip,jump,hop cause more wear on the inside rib of the front tire. My fronts are an even 8/32 all across except for the inside rib which measures 7/32. Is this cause for alignment or is this normal wear for a NON-Ackerman front end.
My guess is it is the way the car was aligned at the factory. When I had my C-6, the inside rib wore out faster than the rest of the tire. It was my understanding it is the aggressive way the factory aligned the car. I'm obviously not a tire or alignment expert. It's just what I have heard.
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