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Old 05-23-2015, 03:25 PM   #15
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Actually, according to some research that I can't lay my hands on--sorry--four years (rather than six) is the absolute safe limit for tires due to breakdown from ozone. We have always budgeted to replace our tires every four years. Now that we've switched to Michelin 16's, maybe we'll even get to four years and replace them BEFORE we have a blowout. With the 15's--both Marathons and E-rated Towmarks--we never made it.
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Old 05-23-2015, 05:24 PM   #16
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Yes.
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Old 05-23-2015, 05:45 PM   #17
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Originally Posted by switz View Post
The other end of the spectrum, we have been told to have two spares each for both vehicles on the 2016 Alaska Caravan.......
In the old days yes (even though I didn't need them then) but now, not so much.
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Old 05-23-2015, 10:37 PM   #18
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Remember tire diameter varies with tire size and rating. If you have different diameters the larger tire will carry the greater load because it has more weight pressing down than the shorter (smaller diameter) tire. For short distances, that is sort of like towing without a tire. it is probably OK. On my Alaska trip when I lost my 5th Carlisle E (3 New and 2 one year old) I could not find any LR E replacements. So, over time, I compromised and put 3 Ds on one side and 2 Ds on the other side with another E in between the Ds. Got back to Fort Worth with out any more failures (all tread separations). The only problem was parking at night the Es made the trailer lean noticeably toward the D side. I went to Discount Tire and told them they did not have enough windows for that old lady to throw all the bad tires through. They took all my receipts from different Canadian tire dealers and gave me 7 new Maxxis E tires for $390. I though that was more than fair. A little over a year later, one of the Maxxis had separation. This was 3 sets of tires in 9 years so this time I let Airstream Service install 7 Michelin LTX Es. If this does't work I'm at a loss , but Airstream Service says Airstream has had great performance from the Michelins.
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Old 05-24-2015, 09:42 AM   #19
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At this point, both the truck and Airstream are riding on Michelin tires. The truck came with LT265/70R17E tires and I converted the Classic to 16" SenDel wheels and LT225/75R16/E LTX M/S2 tires I had waiting at the storage area when I got it home. So a dozen tires will have to be acquired around May of next year.
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Old 05-24-2015, 10:14 AM   #20
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(All MICHELINģ tires4 (both Replacement & Original Equipment) come with a limited warranty for treadwear, as well as a limited warranty which covers defects in workmanship and materials for the life of the original usable tread, or for 6 years from date of purchase, whichever occurs first. )

I would think they are good for 6yrs..
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Old 05-24-2015, 10:32 AM   #21
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The Michelin tire warranty applies for approved installations.

So the 15" Michelin LTX (P) 235/75R15 XL tires, while adequate for even the 27' model Airstreams, would not considered an approved application since they must be derated to 1,983 pounds capacity per tire. Wiggle room to deny a claim?

The 16" Michelin LT225/75R16/E LTX M/S2 tires are installed by Airstream on both the two Eddie Bauer models and the 2015 and later 31' Classic model. They are also an option for most other models that the factory will install. This creates an official endorsement that this tire is approved for trailer use.

Thus one would have valid grounds for warranty status for the 16" tires, but the 15" tire could be at the whim of the dealer.
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Old 05-24-2015, 10:43 AM   #22
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Quote:
Originally Posted by switz View Post
The Michelin tire warranty applies for approved installations.

So the 15" Michelin LTX (P) 235/75R15 XL tires, while adequate for even the 27' model Airstreams, would not considered an approved application since they must be derated to 1,983 pounds capacity per tire. Wiggle room to deny a claim?

The 16" Michelin LT225/75R16/E LTX M/S2 tires are installed by Airstream on both the two Eddie Bauer models and the 2015 and later 31' Classic model. They are also an option for most other models that the factory will install. This creates an official endorsement that this tire is approved for trailer use.

Thus one would have valid grounds for warranty status for the 16" tires, but the 15" tire could be at the whim of the dealer.
Do you overload tires?
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Old 05-24-2015, 11:05 AM   #23
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The carrying capacity of the four 15" Michelins was completely adequate for our 7,300 GVW 2013 25FB International Serenity and the other 25' models as the axles were carrying around 6,200 pounds. I weighed each wheel with my two sets of individual wheel scales and all was within spec with a safety factor. One would be pushing the safe limits for the 7,600 pound GVW rating associated with 27/28' models where the axle loads could increase a few hundred pounds.

CanAm recommends the 15" Michelins for the 34' Airstreams as well. I have scaled over 8,000 pounds on the 2014 31' Classic axles, so I know the 15" tires would be inadequate.

So the tires were not overloaded in our 15" scenario and the 16" Michelins have more load capacity (2,680 pounds at 80 psi) than the 15" Goodyear tires (2,540 pounds at 65 psi) Airstream installed on our 2014 Classic. The truck tires, when inflated to the pressures on the door post, have the same load capacity as the trucks axles.

So no, I have not overloaded the tires on either the truck or my trailers.
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Old 05-26-2015, 08:22 AM   #24
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Our previous sob trailer had 15" wheels and a 14" spare. I don't think it will hurt a thing.
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Old 06-02-2015, 09:21 AM   #25
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I opted for no spare. The Michelins don't seem likely to blow out so I carry a Mushroom Style Tire Plug Kit and Air compressor. (We'll see if this bites me in the butt)
Your comment about having no spare makes me wonder how many are running without spares? The thought crossed my mind as a weight reduction idea. Not saying it's a good idea but....!

Do you travel without a spare tire for your AS?
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Old 06-02-2015, 01:39 PM   #26
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What good is a spare without a jack or lug wrench?


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Old 06-02-2015, 02:37 PM   #27
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Because of the short life of radial tires and the tread separation problems I still use 7:00 X 15 bias ply trailer tires, have never had a problem Rolland


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Old 06-02-2015, 02:49 PM   #28
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Thanks for the vote of confidence. Like type II diabetes, blow outs are completely preventable. I'll let you know how it works out.
I've been towing campers since 1970. Not one flat on a trailer in that whole time. I bought a used trailer once and drove it from VA to FL to NC on 12 year old Goodyear Marathons (US made). Lucky!!!!!
I've always carried a spare though.
Now I've jinxed my self. Next out time my number will come up
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