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Old 08-26-2008, 03:42 PM   #1
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Please watch this news report about ages of tires. I think we should all be looking at our tires.

ABC news report
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Old 08-26-2008, 03:42 PM   #2
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Please watch this news report about ages of tires. I think we should all be looking at our tires.

ABC news report
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Old 08-26-2008, 06:12 PM   #3
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Checke them at the begining of the year the oldest is 32/04......I'm good
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Old 08-26-2008, 07:02 PM   #4
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I have the original tires the rig came with - and it's a 1999. That's the first thing I'm getting before I hit the road to Albuquerque!!
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Old 08-27-2008, 01:47 AM   #5
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by GraciesMom:
I have the original tires the rig came with - and it's a 1999. That's the first thing I'm getting before I hit the road to Albuquerque!! </div></BLOCKQUOTE>

You've been driving on borrowed time for over 4 years. Take care of it before you hit the road to anywere not just a long distance.

They didn't cover how exposure to electrical fields will shorten that shelf life even further. Say a tire is stored in the same room as a running air compressor, then it's shelf life would be greatly reduced unless the tire was stored in a sealed container. Most tire stores have the tires stored in the same room as the air compressor and other electrical equipment which just further enhances the recipie for failure. This also applies to when you store a tire at home.

Not really breaking news but something that many are just not as informed about as they should be. These warnings about age, date codes and exposure to electrical fields have been included with just about every tire I have bought from my local wholesale club for the past twenty years that I can recall.

Be safe!
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Old 08-27-2008, 05:13 AM   #6
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K MAN... Thank you and all members and guests to this form should watch this news video. At the end think about truck recaps...
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Old 08-28-2008, 09:54 PM   #7
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Whatever. No scientific or research information to base this on. Scare tactics? Michelin's website indicates tires are good for 12 yrs. My 99 with 20k miles still has the original tires.
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Old 08-29-2008, 01:52 AM   #8
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by Roadfrog:
Whatever. No scientific or research information to base this on. Scare tactics? Michelin's website indicates tires are good for 12 yrs. My 99 with 20k miles still has the original tires. </div></BLOCKQUOTE>

That is not quite an accurate statement for RV tires.

Michelin says of their RV tires and I quote from the May 15, 2006 Michelin Technical Bulletin "Service Life for RV/Motorhome Tires" found on their website:

"The following recommendation applies to RV/Motorhome tires. Tires are composed of
various types of material and rubber compounds, having performance properties essential
to the proper functioning of the tire itself. These component properties evolve over time.
For each tire, this evolution depends upon many factors such as weather, storage conditions,
and conditions of use (load, speed, inflation pressure, maintenance, etc.) to which the tire is
subjected throughout its life. This service-related evolution varies widely so that accurately
predicting the serviceable life of any specific tire in advance is not possible.
That is why, in addition to regular inspections and inflation pressure maintenance by
consumers, it is recommended to have RV/Motorhome tires, including spare tires, inspected
regularly by a qualified tire specialist, such as a tire dealer, who will assess the tire's
suitability for continued service. Tires that have been in use for 5 years or more should
continue to be inspected by a specialist at least annually."


The bulletin further states:

"It is impossible to predict when tires should be replaced based on their calendar age alone.
However, the older a tire the greater the chance that it will need to be replaced due to the service-related evolution or other conditions found upon inspection or detected during use.
While most tires will need replacement before they achieve 10 years, it is recommended that
any tires in service 10 years or more from the date of manufacture, including spare tires, be
replaced with new tires as a simple precaution even if such tires appear serviceable and even
if they have not reached the legal wear limit.
For tires that were on an original equipment vehicle (i.e., acquired by the consumer on a
new vehicle), follow the vehicle manufacturer's tire replacement recommendations, when
specified (but not to exceed 10 years)."

That bulletin is generic for the entire country. You will find that in the Southern part of the country that you will be on qustionable tire after 5 years. This is based on the experiance of people who have lived in the South for more than 10 years.

The Michelin Long Haul and RV tire Warranty found on their website states:

"STORAGE
Tires contain waxes and emollients to protect their outer
surfaces from ozone and weather checking. As the tire rolls and
flexes, the waxes and emollients continually migrate to the
surface, replenishing this protection throughout the normal use
of the tire. Consequently, when tires sit outdoors, unused for
long periods of time (a month or more) their surfaces become
dry and more susceptible to ozone and weather checking, and
the casing becomes susceptible to flat spotting. Serious
problems occur with tube type tires when mounted with water
trapped between the tire and the tube. Due to pressurization, the
liquid can pass through the inner liner and into the casing plies.
For these reasons, tires should always be stored in a cool,
dry, clean indoor environment. If storage is for one month
or more, eliminate the weight from the tires by raising the
vehicle or by removing the tires from the vehicle. Failure to
store tires in accordance with these instructions could result
in premature aging of the tires and sudden tire failure.
When tires are stored, be sure they are placed away from sources
of heat and ozone, such as hot pipes and electric generators.
Be sure the surfaces on which tires are stored are clean and free
from grease, pertroleum products or other substances which
could deteriorate the rubber. (Tires exposed to these materials
during storage or driving could be subject to sudden failure.)"

So outside storage and extended cycle of disuse and proximity to electrical devices could result
in premature aging of the tires and sudden tire failure according to Michelin which would be based on their internal scientific research and experience in manufacturing tires.

A Motorhome is filled with the aforementioned items that Michelin states tires should not be stored near so it could add to the preamature aging of the tires.

Additionally the only way I know to truely follow the annual inspection after 5 years reccomendation is to dismount the tires and have the inside of the casing inspected. That would be cost prohibitive so replacement after 5 years becomes even more reasonable.

Anyways Michelin does not say you will get 12 years from RV tires. They do say that after 5 years you have to regularly inspect and evaluate and replace you tires if found to be questionable. They do state that regardless of condition they would be replaced before 10 years from date of manufacture elapses. They further state that exposure to certain electrical items, chemicals etc can also cause sudden failure before the warranty period expires.

References:

http://www.michelinrvtires.com/miche...e-material.jsp
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Old 08-30-2008, 10:13 AM   #9
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All I can say is good luck to ya


<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Whatever. No scientific or research information to base this on. Scare tactics? Michelin's website indicates tires are good for 12 yrs. My 99 with 20k miles still has the original tires. </div></BLOCKQUOTE>
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Old 08-30-2008, 02:11 PM   #10
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It is certainly possible to go 9 years or more on a set of tires (you have proved it!), but the odds are not with you. And the potential for damage to the coach when old tires fail catastrophically is great.
I find the following to be the most important statement from Michelin's official position (emphasis added):

<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content"> While most tires will need replacement before they achieve 10 years, it is recommended that
any tires in service 10 years or more from the date of manufacture, including spare tires, be
replaced with new tires as a simple precaution even if such tires appear serviceable and even
if they have not reached the legal wear limit. </div></BLOCKQUOTE>
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Old 08-30-2008, 06:46 PM   #11
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My Florsheim wingtips are over 34 years old and they've never been relaced or garaged!!
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Old 08-30-2008, 06:53 PM   #12
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I'm not arguing that the life of tires is not infinite (though how finite nobody seems to know including ABC). I was simply commenting on the report itself. "research shows" (by who?), "independant test labs" (lawyers?), "independant research", etc. The whole report was inflammatory and typical of so many "news reports" these days. I've learned that the media have long ago only become interested in what sells.

Seriously, am I REALLY the only one that watched the report and raised eyebrows a few times??!! I laughed when they showed the "tell-tale signs" of this rampant problem by showing tire carcasses on the side of the freeway. Never mind that they were retreads from semis and had nothing to do with the specifics of the report.

That said, I will likely replace my tires next season. But not because 20/20 told me so, through a clearly slanted, "special report".
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Old 08-30-2008, 08:29 PM   #13
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by Roadfrog:
I'm not arguing that the life of tires is not infinite (though how finite nobody seems to know including ABC). I was simply commenting on the report itself. "research shows" (by who?), "independant test labs" (lawyers?), "independant research", etc. The whole report was inflammatory and typical of so many "news reports" these days. I've learned that the media have long ago only become interested in what sells.

Seriously, am I REALLY the only one that watched the report and raised eyebrows a few times??!! I laughed when they showed the "tell-tale signs" of this rampant problem by showing tire carcasses on the side of the freeway. Never mind that they were retreads from semis and had nothing to do with the specifics of the report.

That said, I will likely replace my tires next season. But not because 20/20 told me so, through a clearly slanted, "special report". </div></BLOCKQUOTE>

Chris,

I just had a blowout and I left a tire carcass on the side of the road identical to those in the report. The tires were 5 year old GoodYear 670s that had not been retread, were properly inflated and were not at their tread wear limits.

The shots in the report could have been of retreads but then again could have been any motorhome tire that failed after 5 years without being retread, possibly even being one of mine.

I have seen a lot of tires fail here in the South and retread does not seem to be a major factor. Many are actually from SnowBirds who come down on old tires that can't take the heat once they get down here.

You may be shocked to hear that the report was not as slanted as you may think and your comments could endanger others by lulling them into an false sense of security. It was only reporting what the tire manufacturere tell you themselves and what has long been very common knowledge especially in the warmer climates.

I can understand that in British Columbia your tires probably may not be as severly effected due to the lack of consistantly hot weather but for where I live the report was pretty much spot on.

Sure it was a News Media report on what should be just plain old common sense. That still does not negate the need for vigilence with tires over five years old or the need to read and understand the fine print of your tire care and warranty guides.

You rolled the dice and have won a few but you have risked a lot running your tires for so long.

Check out the following on the NHSTA bulliten triggered by the report etc:

http://abcnews.go.com/Blotter/story?id=4988518&page=1

http://www.abcnews.go.com/Blotter/st...4988605&page=1

http://www.safercar.gov/portal/site/safercar/menuitem.1...CM1000002fd17898RCRD

Bottom line on the NHSTA reccomendation was if you are going to err then err on the side of caution and replace your tires earlier rather then later, meaning when they are 6 years old or you even think (suspect) that they may be that old.
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Old 09-06-2008, 09:42 AM   #14
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I bought the rig with 30k miles on it and the original tires. . . drove it from Eureka CA through Oregon to Colorado. I'm definitely getting the tires checked before I leave - and will probably replace at least the front two. I'm having them all checked before I leave - but now I'm really confused guys!!
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