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 > When to replace tires

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rowekmr

Chicago

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Posted: 06/10/18 09:17pm Link  |  Quote  |  Print  |  Notify Moderator

In my previous experience with cars/trucks I replaced tires when they were worn out or in the case of trailers with little use when they were weather checked (or dry rot).

I got a MH last year with tires (22.5) that seem to have the beginning signs of weather checking (small lines on sidewall) but the mechanic that checked them out said they were okay. Another shop that I had work done to MH said the tires were okay. What are your opinions? Are these types of tires that much more robust than passenger/med truck tires?

Thanks


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Posted: 06/10/18 09:55pm Link  |  Quote  |  Print  |  Notify Moderator

Here is a good technical bulletin from Michelin on RV/Motorhome tires. Don't know your particular information, but most manufactures publish information like this.

https://www.michelintruck.com/assets/pdf/bulletins/TB_Service_Life_RV_Tires.pdf

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FIRE UP

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Posted: 06/10/18 10:08pm Link  |  Quote  |  Print  |  Notify Moderator

rowekmr wrote:

In my previous experience with cars/trucks I replaced tires when they were worn out or in the case of trailers with little use when they were weather checked (or dry rot).

I got a MH last year with tires (22.5) that seem to have the beginning signs of weather checking (small lines on sidewall) but the mechanic that checked them out said they were okay. Another shop that I had work done to MH said the tires were okay. What are your opinions? Are these types of tires that much more robust than passenger/med truck tires?

Thanks


Well,
Just so we're all educated on just what make/model/size and year of tires you presently have, it will help us help you make an informed decision. You don't mention anything about the "DOT" mfgr date so, I'm not sure you're aware of it. If not, all tires are required to have a manufacture date on them. It's required by the DOT. Now, normally, that number consists of 4 numbers. And, normally, it's in or very near a oval shaped icon on the side wall of each tire. It's not always visible though. I've seen them on only one side of the tire.

But, if you look for it, you'll see something like, an example will be, "3410". What that deciphers as is, the 34th week of 2010. Or, another one would be say, 4117. That tire was made the 41st week of 2017.

So, you need to find those dates on your tires and report back so we can all know what age of tires we're trying to help you with.
Scott


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MrWizard

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Posted: 06/10/18 10:22pm Link  |  Quote  |  Print  |  Notify Moderator

also different companies rubber compounds, weather differently
Michelin are know to dry and crack get splits in the sidewall, over the years, before the tread wears

many RVs spend to much time sitting in the sun and not enough miles rolling down the road
its the rolling that keeps the carcass/core soft and flexible instead of dead and dry

info needed
brand, model#, date code


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wolfe10

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Posted: 06/11/18 06:44am Link  |  Quote  |  Print  |  Notify Moderator

Please post their age from the full DOT number molded into one sidewall of each tire.

Suspect 99% of RV tires will be replaced because the AGE OUT, not WEAR OUT.


Brett Wolfe
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Dennis12

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Posted: 06/11/18 09:33am Link  |  Quote  |  Print  |  Notify Moderator

All tires are dated. If mine goes over 4 years I would rather replace the tires than to have to replace them anyway when the tire blows and now I have to replace the fender wells too when it blows. I was told by an executive from Kelly Springfield tire that if a tire sits a lot that the molecules in the tire stop moving inside the tire and starts the deterioration of the tire. (dry Rotting from the inside out)


Dennis Hoppert

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Posted: 06/11/18 09:58am Link  |  Quote  |  Print  |  Notify Moderator

1. Most tire mfgs recommend replacement after 7 yrs max.
2. Tire date codes are discussed above. Yes, they usually put them inside.
3. The ONLY way a 22.5 tire can be inspected is from the INSIDE OUT. That means it must be removed from the rim and inspected.
4. Usually, sidewall cracking means the tire is on it's last legs.
5. If you're a FMCA member you can get a nice discount on Michelin/B.F. Goodrich and Continental. ( Thanks Brett [emoticon] )
6. Proper tire inflation will enhance the life of your tires, make your coach ride better and safer. AXLE WEIGH YOUR COACH.
7. Click HERE for weight/inflation table info.
8. Click HERE for all you ever want to know about your tires....BOL ..Dennis

* This post was edited 06/11/18 10:29am by Executive *


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gonesouth

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Posted: 06/17/18 06:02am Link  |  Quote  |  Print  |  Notify Moderator

The last time I got tires it was for my Beaver and I was a member of the Beaver/Monaco club within FMCA. The better deal on tires paid my Beaver/Monaco dues for 3 or 4 years and the support from club members on maintenance was beyond amazing. The FMCA discount on the tires paid for my FMCA dues and roadside assistance fees.

I see that you have a Newmar.......I don't know if FMCA has a Newmar club but if they do maybe a word to an exec member could get them to investigate getting the Beaver/Monaco deal, too. Or maybe FMCA could get the Beaver/Monaco deal for all FMCA members.


Currently planning for retirement.....planning to build a small home in Nova Scotia for summers and someday year-round. Trying to sort out a good way to spend winters in central Florida as I can't drive anymore.

DRTDEVL

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Posted: 06/17/18 07:30am Link  |  Quote  |  Print  |  Notify Moderator

PRO TIP: When you replace tires (or buy a new coach), use a silver sharpie to "highlight" the codes on the tires. This makes it easier to spot in the future, and will stand out to you as a reminder every time you inspect your coach before, during, and after a trip.


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catkins

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Posted: 06/17/18 09:30am Link  |  Quote  |  Print  |  Notify Moderator

When buying new tires, be sure to inspect the NEW tire date before installation and be sure they are not older NEW tires. Most ask for tires no more than 6 months past manufacturing date. I do not want to pay huge money for two year old tires. Some tire places will mount the tires so dates are on the inside and difficult to read. I replace mine as soon as any thought of issues enters my thoughts usually around year 6 if tread is still good. First line of safety are those tires.

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