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10-25-2020, 07:50 AM
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#29
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Registered User
Join Date: Oct 2009
Location: Loudon Tn
Posts: 1,140
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Just saw the tire chart. Really helpful. Thank you so much. Trying to post a couple pictures also. Should have done that with first post. Thanks everyone for all the posts.
Safe travels all
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10-25-2020, 03:45 PM
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#30
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Junior Member
Join Date: Sep 2014
Posts: 2
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Check the date code on the sidewalls. If they are over 5 years old replace all the tires, and spare.
I had a tire come apart doing 55mph. It cut through the wheel well and cut a water line. I was able to do my own repaired f St obit didn’t cost me much. Many other people were not so lucky. Many campers get destroyed or severely damaged by a tire shredding at speed. The tires are deteriorated long before the tread will ever wear out.
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10-25-2020, 06:04 PM
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#31
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Senior Member
Forest River Owners Club
Join Date: Nov 2019
Location: Florida
Posts: 299
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Quote:
Originally Posted by FLYING BUTCH
Two of my tires 22.5 have some weather cracking about 3-4 inches above tread in sidewall. How bad is to bad as a guideline to replace tires? They are not that olden plenty of tread on them.
Thanks in advance for any suggestions guys.
safe travels
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Any crack in tire is bad it is a sign that a blowout is immenant imoo. I change tires at the first sign of sidewall cracking due to having a blowout with a tire that only showed one or two cracks in the sidewall and it caused extensive front end damage on a classic 72 plymouth I had.
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10-25-2020, 06:07 PM
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#32
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Senior Member
Join Date: Nov 2005
Posts: 4,063
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Quote:
Originally Posted by Bigd9
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That's a conditional 10 years on the Michelin since starting with the fifth year you have to pay a Michelin Certified Tech to remove each tire from the rim for internal inspection and certify it safe for another years use. If they do not certify it as safe for another years use then the tires life is over. Of course you also have to pay to have them mounted and balanced again which if you actually do this may cost you more than its worth for a diminishing return on the pro-rated warranty.
Do you really want to pay for mounting and balancing 6 times in 10 years along with the 5 inspections incurring all that extra scuffing of the rims on the mounting machine especially if you have expensive aluminum rims?
Replacing them every 5 years is safest and puts the least wear and tear on the rims plus the cost will likely come pretty close to being a wash.
__________________
Neil V
2001 Winnebago Adventurer WFG35U
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10-26-2020, 03:28 AM
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#33
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Registered User
Join Date: Oct 2009
Location: Loudon Tn
Posts: 1,140
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Tire cracks how bad
Michelin has a cracked tire chart. With that it should stand to resin “some” tire cracking is ok?? I enclosed a few pictures. One tire has fairly long “hairline”? crack. The other tire has a few ,maybe 1/2” long cracks. None of these are very deep. As with most discussions, Ford or Chevy, guess it is in my hands. I do want to thank you all for your thoughts. Special thanks for posting the chart.
Safe travels all
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10-26-2020, 09:14 AM
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#34
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Senior Member
Commercial Member
Join Date: Mar 2010
Location: Akron, Ohio
Posts: 2,783
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Quote:
Originally Posted by NeilV
That's a conditional 10 years on the Michelin since starting with the fifth year you have to pay a Michelin Certified Tech to remove each tire from the rim for internal inspection and certify it safe for another years use. If they do not certify it as safe for another years use then the tires life is over. Of course you also have to pay to have them mounted and balanced again which if you actually do this may cost you more than its worth for a diminishing return on the pro-rated warranty.
Do you really want to pay for mounting and balancing 6 times in 10 years along with the 5 inspections incurring all that extra scuffing of the rims on the mounting machine especially if you have expensive aluminum rims?
Replacing them every 5 years is safest and puts the least wear and tear on the rims plus the cost will likely come pretty close to being a wash.
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To clarify.
The 10 year is a Max age. Similar with GY.
Even if you have a tire inspected and it looks OK you should replace at 10 years.
If an earlier inspection reveals a problem you should replace the tire then.
__________________
Retired Design & Quality Tire Eng. 40+ years experience. Recognized in the industry and in court as an expert in failed tire inspection as I have performed thousands of failed tire "autopsies".
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10-26-2020, 09:17 AM
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#35
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Senior Member
Commercial Member
Join Date: Mar 2010
Location: Akron, Ohio
Posts: 2,783
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Quote:
Originally Posted by FLYING BUTCH
Michelin has a cracked tire chart. With that it should stand to resin “some” tire cracking is ok?? I enclosed a few pictures. One tire has fairly long “hairline”? crack. The other tire has a few ,maybe 1/2” long cracks. None of these are very deep. As with most discussions, Ford or Chevy, guess it is in my hands. I do want to thank you all for your thoughts. Special thanks for posting the chart.
Safe travels all
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Cracks in them selves are seldom a problem. They are a possible indicator of internal issues. You didn't say how old the tires were in the pictures but a review of the Michelin guide would suggest they are OK for now but I would watch for growth,
Depth is an important consideration as covered by the Michelin guide.
__________________
Retired Design & Quality Tire Eng. 40+ years experience. Recognized in the industry and in court as an expert in failed tire inspection as I have performed thousands of failed tire "autopsies".
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10-26-2020, 09:22 AM
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#36
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Senior Member
Join Date: Dec 2019
Posts: 656
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Quote:
Originally Posted by Atlee
Any crack is too bad.
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Absolutely NOT True :(
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10-26-2020, 09:24 AM
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#37
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Senior Member
Join Date: Dec 2019
Posts: 656
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Quote:
Originally Posted by Tireman9
Cracks in them selves are seldom a problem. They are a possible indicator of internal issues. You didn't say how old the tires were in the pictures but a review of the Michelin guide would suggest they are OK for now but I would watch for growth,
Depth is an important consideration as covered by the Michelin guide.
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The best answer so far. Too much False information gets floating around...
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10-26-2020, 10:52 AM
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#38
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Junior Member
Join Date: Oct 2015
Posts: 15
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Quote:
Originally Posted by Atlee
Any crack is too bad.
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Found this out the hard way at 65 mph. Especially in the heat any cracking is too much.
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10-26-2020, 11:08 AM
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#39
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Senior Member
Monaco Owners Club
Join Date: May 2012
Location: DFW, Tex-US
Posts: 6,196
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Cracks in car, truck, trailer tires are one thing...
but when you have upwards of 6000 lbs or more on one coach steer tire and the road temp is in the 145 degree range...
maybe it's just me, but I'm not as much of a gambler as some 
my bro-in-law (yeah that know it all one )
is still trying to get his entry door, etc... fixed correctly from his blowout...
__________________
'11 Monaco Diplomat 43DFT RR10R pushed by a '14 Jeep Wrangler JKU. History.. 5'ers: 13 Redwood 38gk(junk!), 11 MVP Destiny, Open Range TT, Winn LeSharo, C's, popups, vans, tents...
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10-26-2020, 11:26 AM
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#40
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Member
Join Date: Jun 2017
Posts: 79
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Tire cracks, how bad is TOO bad!
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10-26-2020, 03:38 PM
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#41
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Senior Member
Join Date: Dec 2019
Posts: 656
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Quote:
Originally Posted by Bazou7101
Tire cracks, how bad is TOO bad!
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Look at the Michelin tire chart for the proper explanation.
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10-26-2020, 07:33 PM
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#42
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Junior Member
Join Date: Oct 2020
Posts: 4
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10R tires
Quote:
Originally Posted by FLYING BUTCH
Two of my tires 22.5 have some weather cracking about 3-4 inches above tread in sidewall. How bad is to bad as a guideline to replace tires? They are not that olden plenty of tread on them.
Thanks in advance for any suggestions guys.
safe travels
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I have 2 new 10R22.5 GY steers and 4 like new drives I would love to make a deal on if you are interested. Steers are never mounted and drives have minimal miles. I was going to do a 22.5 conversion on my GMC dually, but 2 engines and 2 sets of heads later - all cracked, funny as that is the topic - I am selling the project. Thanks Steve
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