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Old 07-19-2012, 07:42 AM   #1
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weather checked tires

was looking at tires on mh. start seeing weather check all in same area.about 2-3" up from bead. there kankook tires dot date is 09. thinking of puting on new steer tire.the have 30,000 miles on them.just wondering about how serious this is.
thanks
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Old 07-19-2012, 07:54 AM   #2
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From what I've read on here, Michelin's are more prone to checking than other tires. You might check on the Michelin site to see what they say about checking.
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Old 07-19-2012, 08:27 AM   #3
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Got the right amount of air in them? Could be more from flexing than weather..
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Old 07-19-2012, 11:25 AM   #4
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You need to be concerned if the cracks are deep. Surface cracks are not uncommon. I'd suggest you stop by a tire dealer and ask how deep they can be and still be considered safe.
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Old 07-19-2012, 11:48 AM   #5
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This is what Michelin says.

During the pre-trip inspection, be sure to check your tires for signs of aging, weather checking and/or ozone cracking these show up as tiny cracks in the rubber surface on the sidewall of the tire.

If the cracks are less than 1/32" deep, the tire is fine to run.
Between 1/32" and 2/32", the tire is suspect and should be examined by your Michelin dealer. If the cracks are any deeper than 2/32", the tire should be replaced immediately.
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Old 07-19-2012, 12:02 PM   #6
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Goodyear's warranty kicks in if the depth of the cracks is 2/32", and is good for 4 years from the purchase date if you have the receipt, otherwise, it is based on the DOT code. In my case, the warranty period started on the purchase date of my rig (2/2010) instead of the date on the tire which was in 4/2008. Since the cost is prorated on the tread depth, I got all 6 tires replaces for around $65 each (plus tax, mounting and balancing)
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Old 07-19-2012, 09:48 PM   #7
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What is date code on tires? The date is more important than the checking / cracks. If the tires are more that six (6) years old, replace them, do not trust them! If they fail the consequences can be very severe.
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Old 07-19-2012, 09:50 PM   #8
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Quote:
Originally Posted by CarlGeo View Post
What is date code on tires? The date is more important than the checking / cracks. If the tires are more that six (6) years old, replace them, do not trust them! If they fail the consequences can be very severe.
Sorry, I overlooked the 09 date on the original post.
CE
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Old 07-20-2012, 05:41 AM   #9
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Quote:
Originally Posted by 2Fliers View Post
Goodyear's warranty kicks in if the depth of the cracks is 2/32", and is good for 4 years from the purchase date if you have the receipt, otherwise, it is based on the DOT code. In my case, the warranty period started on the purchase date of my rig (2/2010) instead of the date on the tire which was in 4/2008.
G670 Warranty for cracks is 7 Years.
Michelin covers cracks for 0 days.

WHEN DOES THE G670 RV WARRANTY END?
The new tire coverage of this warranty ends or five (5) years from the date of purchase, whichever occurs first.
The only exception is warranty from the date of purchase or when
the treadwear indicators become visible, whichever occurs first. Without proof of purchase, date of manufacture will be used
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Old 07-20-2012, 06:24 AM   #10
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thanks for reply.cracks are small not deep. i check air often.i'll try to find hankook dealer. Now i read this post before what tires do people run.again thanks for reply.
safe travles bob,linda & missy
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Old 07-20-2012, 07:47 AM   #11
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I put Toyo 19.5s on mine ~1 year ago. Hopefully, too soon to crack. They ride better than the G670s I took off that were 8 years old and only had 15K on them. There were no cracks on them.
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Old 07-24-2012, 09:08 AM   #12
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A friend of the family was a sales rep. for one of the big tire companies for many, many years.

He said the fastest way to destroy a tire early is to leave it parked all winter long in one place with snow up around it.

The sun warms the tire which melts the snow around it, the water then soaks into the rubber and freezes causing very small cracks which get larger with each successive freeze / thaw cycle.

He swore by liberally coating tires with a preservative (Armor All, etc.) and then putting a physical barrier such as tire covers or wood in front of them to keep the tires from coming in direct contact with snow. He also suggested parking the tires up on top of some piece of plank to keep them from sitting in contact with the earth itself.
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Old 07-24-2012, 01:46 PM   #13
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Originally Posted by Murf2u View Post
A friend of the family was a sales rep. for one of the big tire companies for many, many years.

He said the fastest way to destroy a tire early is to leave it parked all winter long in one place with snow up around it.

The sun warms the tire which melts the snow around it, the water then soaks into the rubber and freezes causing very small cracks which get larger with each successive freeze / thaw cycle.

He swore by liberally coating tires with a preservative (Armor All, etc.) and then putting a physical barrier such as tire covers or wood in front of them to keep the tires from coming in direct contact with snow. He also suggested parking the tires up on top of some piece of plank to keep them from sitting in contact with the earth itself.
Really? Thanks god he was in sales..
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Old 07-24-2012, 02:29 PM   #14
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I've got a set of tires on our 'chore truck' at the farm that were put on in the summer of 1986, still no weather checking or splits, they've lived outside full-time since they were new.

They've been protected as described above since new also.



Or it might just be 'cause the old trucks never had ethanol in it ........
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