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Old 02-20-2015, 07:09 PM   #1
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Motorhome tires length of use

I have a 2003 Itasca Sunova with 33,000 miles. The front tires are new, but the rear tires are original to the unit, by looks the rear tires look fine and still have good tread. The question is....how long in years can a motor home tire be utilized before they become a safety issue ? ...Gale

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Old 02-20-2015, 07:11 PM   #2
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A lot less than 12 years. Maybe 7-10 if you're lucky.


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Old 02-20-2015, 07:21 PM   #3
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This topic has been discussed regularly. Most experts agree that 7 or 8 years is the useful life, no matter the tread left. Most RV tires fail due to age, lack of moving and weather wear long before the tread wears out. With that amount of mileage, the RV sat in one place a lot. Sitting is hard on tires as they do not get the flexation (exercise) they need for the sidewalls.

You definitely do not want a catastrophic failure while you are driving.
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Old 02-20-2015, 07:30 PM   #4
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Without taking the tire off the rim and inspecting it for any cracks or damage it is
almost impossible.
I agree with Cliff 7 years and maybe up to 10 if the tire has never be subjected to
cracking or damage from ruts, rocks, curbs, and the like.
Unless you are very lucky blowing a tire on one of these units causes great damage, I have seen the results of a front tire blow out and it destroyed the unit and cause injury and death.
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Old 02-20-2015, 07:55 PM   #5
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Have you checked the dates on the tires yourself? If they are that old they should be changed, but I would verify their age. Most owners are conscious of tire safety and will change them when needed, there's always the exception though.
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Old 02-20-2015, 08:00 PM   #6
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Not only the safety factor, when a tire lets go at speed there is a good chance it will cause damage from pieces whipping around. Body damage, wiring, anything in the line of fire. Can make not getting new tires way more expensive.
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Old 02-20-2015, 09:08 PM   #7
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I just replaced my tires and they were 10 years old. They looked like new and it was hard to take them off. I was pushing my luck by running them that long and the next set will be in 7 years. The tire dealer would have given me a casing trade or used tire trade if they were under 7 years.
At twelve years I would not run them.
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Old 02-20-2015, 10:34 PM   #8
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Just replaced my 7 1/2 year old tires and sold them for $50. each
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Old 02-21-2015, 08:35 AM   #9
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Hi galeran,
If I have had the tires since they were new and have had no problems, my coach tires go ten years and then are replaced. In the interest of full disclosure, I am anal about tires. Cleaned, dressed, covered, correct PSI for weight being carried you name it I do it to keep them in tip top shape. I replace after 10 years because that is what Michelin recommends.

If there is a problem with a tire, I go with the tech's recommendation.
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Old 02-21-2015, 09:04 AM   #10
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Just to reinforce the point, as an ex RV tech, I've seen an incredible amount of damage done by a shredded rear tire. The damage can extend up into the sidewall, into wet bays taking out plumbing and holding tanks, wiring bundles, and propane lines. If this is an older coach, just finding replacement parts for the body can add a huge amount of time (cost) to the project. Stuff like compartment doors and wheel well covers may not even be available.

Point being, it's very difficult to justify the gamble using any logic you'd like.
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Old 02-21-2015, 09:11 AM   #11
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Here in the desert southwest, most RVers I know indicate they start looking seriously at the 5-7 year mark, and replace at 9-10 at max. On my first two RVs, a micro C and then a full C. I had to change out at at 5 max.
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Old 02-21-2015, 12:26 PM   #12
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My G670 tires are now 9 years 10 months old. Will replace the front 2 in May.
And wait another year for the rear. With oil prices now the price may come down in the next year.

OH! In case of shredded rear tire damage in the meantime. That is why I carry insurance.
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Old 02-21-2015, 01:45 PM   #13
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Regarding "that's why I carry insurance", consider loss of use for a few months.
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Old 02-21-2015, 01:58 PM   #14
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Or...loss of life!

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