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Old 08-08-2013, 11:11 PM   #1
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Tire question

Need help in determining a tire replacement question. We have a 36 ft Dutch Star, new in 2001, only has 55k miles and we store it in our barn so no sun soaking the tires. The tires look great, and with 55k miles the thread is good. Is there some thought to replace tires soly based on how old they are???

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Old 08-08-2013, 11:14 PM   #2
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Even Michelin states to absolutely replace the tires after 10 years.
In fact:
Michelin Technical Bulletin
May 15, 2006

Service Life for RV/Motorhome Tires

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.

Consumers are strongly encouraged to be aware not only of their tires’ visual condition and inflation pressure, but also of any change in dynamic performance such as increased air loss, noise or vibration, which could be an indication that the tires need to be removed from service to prevent tire failure.

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).

The date when a tire was manufactured is located on the sidewall of each tire. Consumers should locate the Department of Transportation or DOT code on the tire that begins with DOT and ends with the week and year of manufacture. For example, a DOT code ending with “0304” indicates a tire made in the 3rd week (Jan) of 2004.
I replaced ours after about 8 years as they were showing some cracking around the lettering,

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RV'ing since 1957, NRA Benefactor Life, towing '05 Odyssey
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Old 08-08-2013, 11:18 PM   #3
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You should have them removed and inspected by a professional.

There could be hairline cracks due to age.
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Old 08-09-2013, 01:56 AM   #4
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I would replace all tires that are over 5-6 years old. I had a blowout once towing a trailer and it was a nightmare. I just wouldn't take any chances. Tires are your number one safety issues with an RV.
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Old 08-09-2013, 04:47 AM   #5
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I would definitely replace them. To put it in perspective, just how much longer would you keep, 1 maybe 2 more years, not worth the risk.
John and Vicki,2004 Winne Vectra 350 Cummins, 10k lb Blu Ox tow bar , 04 Dodge Ram 1500 4wd toad
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Old 08-09-2013, 08:29 AM   #6
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2000/2001 tires. Past the time to replace. Check out the FMCA Michelin program. Usually a good price and good service via Michelin
authorized truck/RV experienced dealer.
Vince and Susan
2011 Tiffin Phaeton 40QTH (Cummins ISC/Freightliner)
Flat towing a modified 2005 Jeep (Rubicon Wrangler)
Previously a 2002 Fleetwood Pace Arrow 37A and a 1995 Safari Trek 2830.
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Old 08-09-2013, 09:40 AM   #7
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I wouldn't drive them and if I did I would feel obligated to disclose to any prospective passengers. Seriously, have you ever experienced a steering tire blow at highway speeds in a big rig? Can end badly. Think of it as playing odds. There was a 0.01% chance your tire would spontaneously blow when new. Now it could be 10%.

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Old 08-09-2013, 10:19 AM   #8
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7 years from the DOT date code on the tire is what we were told by Spartan is the suggested replacement date. I would replace them.
2017 Entegra Coach Anthem 44B/450 Cummins/Spartan
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Old 08-09-2013, 10:41 AM   #9
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Originally Posted by bill2011 View Post
7 years from the DOT date code on the tire is what we were told by Spartan is the suggested replacement date. I would replace them.
Me too
Sally, Hailey (Shih Tzu) and Me!
08 Revolution LE 40E
12 Jeep Wrangler,10 FLHX
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Old 08-09-2013, 01:10 PM   #10
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At this point those are tugboat fenders, not tires.

John & Diane, Fulltimers. RVM103 NHSO
On the road since June '12 with Lincoln, the guard cat.
2002 Dutch Star 40, Freightliner, Cat 3126, 2004 Element
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