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Old 10-26-2011, 08:51 PM   #21
cschmidt
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Default Re: cracked tires safe or dangerous?

Just had some recent experience with this, with Michelin. I have a Ford E-150 conversion van that we use to pull boats and a horse trailer. I put Michelin LTX tires on it - good mid priced and high mileage tires. The inspection station ( also a tire store so go figure) failed it for cracks in the sidewall this year. A buddy happened to send me a link to an RV forum for another reason, but there was a huge discussion going on there about Michelin tires. One guy posted a customer service #, so I called.

Here is the scoop with Michelin, and hope it works out for you with Goodyear. Michelin warranties their tires for 6 years for workmanship. Mine were 5 years old, with 37K miles on them, but still 2/3 of the tread. I called the Michelin #, told them the NC inspection failed due to cracked sidewalls. They were very nice, and said get the tires to a Michelin dealer and have the dealer call back to the Michelin #. End of the story, Michelin prorated the tires by wear, and gave me 2/3 of the cost of a new set of LTX tires.

Check your Goodyear warranty and see how long their tires are warrantied and see if they have a customer service #. Good luck.

As a side point, my same buddy has Michelin Hydroedge tires on his Focus (80K rated tires). They are 4 years old and only 1/3 worn, but are cracking. Seems like the recent high mileage Michelin tires are having issues. May be other brands too.

Chuck

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Old 10-26-2011, 09:00 PM   #22
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Default Re: cracked tires safe or dangerous?

Back when Michelin decided to enter the larger vehicle market they had problems with side wall cracking. They did not have this issue with the what was then the standard tire sizes used in Europe. The root cause is under inflation for the load on the tire. The characteristic of a radial tire is a soft flexible side wall and if under inflated there is excessive flexing and localized heating that causes the cracking. This is not an uncommon phenomena on heavier vehicles.

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Old 10-26-2011, 09:07 PM   #23
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Default Re: cracked tires safe or dangerous?

Quote:
Originally Posted by OldNuc View Post
Back when Michelin decided to enter the larger vehicle market they had problems with side wall cracking. They did not have this issue with the what was then the standard tire sizes used in Europe. The root cause is under inflation for the load on the tire. The characteristic of a radial tire is a soft flexible side wall and if under inflated there is excessive flexing and localized heating that causes the cracking. This is not an uncommon phenomena on heavier vehicles.
Under inflation not the cause for me - I usually have them set to 35 PSI.

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Old 10-26-2011, 09:09 PM   #24
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Default Re: cracked tires safe or dangerous?

That could be one cause, but don't think so in my case. I run the tires at 34-38 psi due to trailering and heavy loads. The cracks were all over the sidewalls on all 4 tires. I should have taken a picture before getting rid of them.

My buddy with the Focus has Dodge p/u with the LTX tires from 9 years ago. Those LTX tires are fine, but his more recent Hydroedge tires are not ( and all have proper inflation). We think something has changed in recent years in the compound or mfg process. It would be interesting to see if a definitive cause is found.

Chuck

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Old 10-26-2011, 10:24 PM   #25
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Default Re: cracked tires safe or dangerous?

They do change compounds and cord structure. Sidewall cracking is a feature of radial tires though.

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Old 10-26-2011, 10:39 PM   #26
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Dazed Re: cracked tires safe or dangerous?

Mine was checkered from the day bought the Blazer, so I have no idea what previous owners did with them. But I always inflated them properly.

I have had a love/hate relationship with Michelin over the years. I bought my first set for a VW Beetle (a 1965 version). They were fabulous.

My wife's current truck has Michelin X's on it (car tires, not light truck tires). They are smooth as glass and have held up extremely well.

My beemer has Michelin Pilot Exaltos on it and they are also smooth and are excellent.

When the despised Viva-2 tires on my SC2 bit the dust I'll probably get Michelin X's for it too.

BUT- I had the catastrophic failure on the Blazer that put me off of them for many years.

As OldNuc and cschmidt pointed out, the LT(X) versions are perhaps not such a good idea to have. I can add one vote to that for sure.

I put Firestones on the Blazer after that, BTW, and was quite happy with them. Got a really good deal on them because at the time all the people who didn't inflate theirs properly had given them a bad name.

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Old 10-26-2011, 11:12 PM   #27
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Default Re: cracked tires safe or dangerous?

Yes, "The Firestone Disaster" is a prime example of why I do not subscribe to the --door sticker-- approach to tire inflation. The Michelin tire seems to have the best lifetime when the cross section is basically circular as opposed to elliptical.

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Old 10-27-2011, 02:32 PM   #28
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Default Re: cracked tires safe or dangerous?

RVers are often tire experts because theirs cost a fortune and often dry rot before they tread out. They all swear by 303 Aerospace (not cheap) and also claim that tire dressing products like Armor All intended to make the tire shiny actually make cracking WORSE, not protect the tire. The best way to avoid sidewall cracking is to keep them inflated and USE the tire as the flexing distrubutes conditioners built into the chemical matrix of the tire that tend to oxidize off on the surface. If you park the car for a while, cover the tires to keep the sun off them. If driven weekly, it doesn't matter.

In short, air 'em up, park in the shade and keep 'em rolling.

I've yet to lose a tire to cracking before I wear the tread off. Got 100k on my OEM Firestones on my first SL, have 50k on my current generic chinese tires on the 02 and have managed 95k even on the family minivan before.

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Old 10-27-2011, 04:26 PM   #29
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Default Re: cracked tires safe or dangerous?

They make tire covers and if you have a vehicle that sits a lot they are a good buy to shield from the UV.

I mentioned 303 back at the beginning of this thread. It does work.

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Old 10-27-2011, 04:59 PM   #30
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Default Re: cracked tires safe or dangerous?

Quote:
Originally Posted by manualman View Post
RVers are often tire experts because theirs cost a fortune and often dry rot before they tread out. They all swear by 303 Aerospace (not cheap) and also claim that tire dressing products like Armor All intended to make the tire shiny actually make cracking WORSE, not protect the tire. The best way to avoid sidewall cracking is to keep them inflated and USE the tire as the flexing distrubutes conditioners built into the chemical matrix of the tire that tend to oxidize off on the surface. If you park the car for a while, cover the tires to keep the sun off them. If driven weekly, it doesn't matter.

In short, air 'em up, park in the shade and keep 'em rolling.

I've yet to lose a tire to cracking before I wear the tread off. Got 100k on my OEM Firestones on my first SL, have 50k on my current generic chinese tires on the 02 and have managed 95k even on the family minivan before.
i pretty much follow what you said as far as tire care goes. tiere's sidewall tire dressing that i would'nt use because it contains petroleum. i only use armor all protectant the same stuff i use on the dashboard. it's harmless & is water based.

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Old 10-27-2011, 05:02 PM   #31
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Default Re: cracked tires safe or dangerous?

Quote:
Originally Posted by OldNuc View Post
They make tire covers and if you have a vehicle that sits a lot they are a good buy to shield from the UV.

I mentioned 303 back at the beginning of this thread. It does work.
i used that once it seems just like armor all to me. i don't want you to missunderstand what i use on the tires. i use armor all protectant the same as i use on the interior. there is petroleum based tire sidewall dressings made by armor all & other copmpanies & i never use them. i think those will crack the tires. armor all protectant is water based.

if there's adifference between 303 & armor all what is it? what's in 303?

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Old 10-27-2011, 05:05 PM   #32
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Default Re: cracked tires safe or dangerous?

Liquid magic.



I got a C in chemistry. I make water flow downhill for a living. Good stuff, three simple atoms!

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Old 10-27-2011, 05:21 PM   #33
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Default Re: cracked tires safe or dangerous?

ArmorALL contains silicone and 303 does not. Silicone on tires is not good for the tire rubber compound, makes it prone to cracking. The 303 is the stuff to use on tires.

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Old 10-27-2011, 05:24 PM   #34
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Default Re: cracked tires safe or dangerous?

Quote:
Originally Posted by OldNuc View Post
ArmorALL contains silicone and 303 does not. Silicone on tires is not good for the tire rubber compound, makes it prone to cracking. The 303 is the stuff to use on tires.
i used armor all for many years without any problems. i use it on the tire sidewalls only, but the tires are cracking between the treads, not sidewalls...

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Old 10-27-2011, 05:42 PM   #35
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Default Re: cracked tires safe or dangerous?

to tell ya the truth i don't think there's anything you could put on tires that will totally protect them. they are out in the weather & they crack with age. bottom line. it's easy to protect a dashboard it isn't in the weather. the tires are out in the hot & cold. i'm sure the salt on the roads in the winter & freezing cold takes it's toll on them as well. maybe if you soaked them in protectant it might help a little, but that's unrealistic if not impossible, besides anything you would put on tires would quickly wash off especially in the rain.

tires are like anything mechanical on a car. your bushings in the sway bars, ect. also dryrot requiring replacement eventually.

armor all i used for years on all my plastic interior parts & rubber door seals & it seemed to keep them in good condition, sure this 303 which is 3 times more expensive might be a little better, but i stick to what i can afford. i did a search on these 2 protectants & it's a pissing contest like asking what oil brands are the best or which headlight bulbs are the brightest. you know another beating a dead horse thing...

Last edited by saturnsctwo; 10-27-2011 at 05:50 PM..

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Old 10-28-2011, 12:56 PM   #36
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Default Re: cracked tires safe or dangerous?

I believe those cracked tires are dangerous, you never know at high speeds it might just pop on you.

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Old 11-12-2011, 05:45 PM   #37
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Default Re: cracked tires safe or dangerous?

ya i'm still riding on these cracked tires. i guess i might just change them in the spring. the cracks are pretty much the same as before. it's a shame that all those good threads will go to waste. i paid too much for these tires to not try to get my money'w worth out of them but i won't really. it doesn't pay to really get the best expensive tires really as the rubber only lasts for so long regardless about the treads.

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Old 04-07-2012, 04:18 PM   #38
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Default Re: cracked tires safe or dangerous?

an update to this: i really never paid attention to the tire manufactured date on the side of the tire. i just learned how to read them, 1995! my tires are 7 years old. i also just noticed the sidewalls slightly cracking & i heard that's more dangerous than the cracking between the treads. time to get new tires.

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Old 04-07-2012, 04:28 PM   #39
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Default Re: cracked tires safe or dangerous?

has anybody tried these tires: http://www.firestonecompleteautocare...article=117632 @ $75.00 ea. they sound like a decent tire at a good price. after paying around $120.00 for the goodyear triple treads which cracked like my original tires. it seems like a waste to pay high tire prices seeing that the rubber still only lasts for so long...

i read that driving a car is better for the tires because it disperses the rubber prolonging chemicals in the tires unlike a sitting car which will lead to tire cracking. i drive my car farther to work every day unlike before when i only drove a few miles each way now i drive approx 15 miles each way. the tires cracking prematurly probably is my fault for the short trips.......
my first 2 sets of tires did the same thing when driving to my old job a few miles away..

not to mention my first battery crapping out an at an early age versus my current battery going on 7 years of age...

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Old 04-07-2012, 04:46 PM   #40
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Default Re: cracked tires safe or dangerous?

Quote:
Originally Posted by saturnsctwo View Post
an update to this: i really never paid attention to the tire manufactured date on the side of the tire. i just learned how to read them, 1995! my tires are 7 years old. i also just noticed the sidewalls slightly cracking & i heard that's more dangerous than the cracking between the treads. time to get new tires.
Surely you meant 2005 - that would make them 7 years old and not much to complain about. 1995 and you would have had a bargain.

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