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Old 03-07-2012, 05:12 PM   #15
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I had Centramatics installed on GYM's and had two belt separations in the heat of the summer. My TPMS saved me from experiencing a catastrophic failure and damage. I have since changed to Maxxis (made in Thailand) "E" rated tires and have not had any problems (knock on wood). Not being a trusting soul of Tire Service Centers, I insisted on ordering the tires with the understanding that I would not accept any over six months old (two of the initial shipment had to be returned to the warehouse). My wife, and I, pulled each tire off the Airstream (one at a time) in the Tire Center parking lot and watched as they were mounted and balanced. I asked the manager how many customers change their own tires, and he said "you're the first" (and he probably thought.....you're also nuts).

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Old 03-07-2012, 05:53 PM   #16
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Hmm. My first foray into the Airstream way was getting tires last month when I picked up my used AS. I took it about 12 miles from the dealer to a tire center before driving 130 miles home. During the process the tire guy started putting the tires back on unbalanced. When I questioned him he told me that they did not balance trailer tires, that there was so much weight it didn't matter. I had to force the issue to get him to raise it back up and balance the side he had already put on. On a side note, he was going to raise the trailer on the water tanks! I had the Tomax tires put on.
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Old 03-07-2012, 06:01 PM   #17
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Question

rod,

Was it BB Tire Chain, be good to know which one learns their tech's that way.
Way too much can go rong with an unbalanced or out of round tire, and how would they know 'til it's spun?
NOT a good policy.

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Old 03-07-2012, 06:05 PM   #18
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So, I have a brand new A/S. I installed 16" Tredit wheels, Michelin LT's, had the wheels and tires road force balanced AND put Centramatics on. When I read/see pictures of someone who's had catastrophic tire failure (and that's what those pictures represent), something is seriously wrong. The legion of reports on this Forum regarding GYM tires from people who are obviously not flakes and who pay attention to all the rules of proper inflation, TV/trailer dynamics, and all the other variables were absolutely persuasive to me that I did not want downside the risk of what might best be called a "marginal" wheel/tire relationship on 7,000 plus pounds of aluminum, my SUV, and more importantly, me, my passengers and those who are on the road at the same time I am.
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Old 03-07-2012, 10:13 PM   #19
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Good stuff.

Introduces two new issues:

- there's some debate on whether my TST valve mounted sensors actually give me an accurate tire temp reading.

- both CAT scales near me are built on a raised deck, making offset measurements impossible. Most of the others I've seen have a canopy with stanchions midway- making offset on those impossible too... hmm
Yeah, we have to start over from scratch based on latest/best information.

And I have the same problem with scales. There is one where I can do this and they are not happy with civilians. Suggest you check around with landfill, gravel yard and other sources. So long as the scale is accurate within itself I figure that I have better numbers to work with (after checking axle weights on a CAT as reference) even if the scale is not dead-accurate. (Looking for percentage differences). We had a roofing supplier in D/FW that had scales notoriously "short" in weighing big trucks, but what they had would "work" more-or-less.

Same for internal tire temps. Whatever TPMS I wind up with will have internal sensors. There is no perfect, but apparently there is "better".

The CM's (or BALANCE MASTER) are the icing on the cake. Too many big truck O/O's report better tire life where tire break-in is 35-40,000 miles, but annual miles of 100k-plus mean an expensive annual tire budget nonetheless.

I'm feeling the same way about wheels. WELD Racing or other top quality only (such as ALCOA) as China-made isn't floating my boat. I may epoxy the interior to help with air leaks (per a FORD TSB a few years back) and will always spec tire bead sealant besides, not just steel valve stems. Will check the new wheels for run-out, etc. Tires with all the same date code.

Living in a trailer (full-timer) is a different proposition than in being a part-time vacationer. Details matter. But tire problems are never acceptable to any TT owner.

As a final note, wheel alignment should be checked even on a brand-new trailer. Same for brake drag and bearing pre-load (as well as grease); new or used, suspect inadequate or incorrect (as it's all so cheap to rectify). An "unlevel" trailer as well as "normal" hitch rigging also contribute to shortened tire life (higher heat while running the roads).

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Old 03-08-2012, 07:35 AM   #20
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Old 03-08-2012, 08:48 AM   #21
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Other failure causes?

I have yet to get my AS on the road. So I am speaking from ignorance,... my most common position .
When reading these posts, I keep wondering if alignment of tandem axles could be creating excessive heat, contributing to tire failure.
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Old 03-08-2012, 09:15 AM   #22
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I have yet to get my AS on the road. So I am speaking from ignorance,... my most common position .
When reading these posts, I keep wondering if alignment of tandem axles could be creating excessive heat, contributing to tire failure.
Alignment of the axles, is a rare problem that could cause tire failure.

Improper inflation, not often.

Improper or no balancing is the outstanding culprit.

Andy
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Old 03-08-2012, 09:26 AM   #23
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If alignment was enough of an issue to cause this kind of heat and failure, there would be, IMO, very obvious tire wear patterns well before a failure occurs.
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Old 03-08-2012, 10:00 AM   #24
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What's the white stuff?

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Old 03-08-2012, 11:26 AM   #25
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I bet it's just "mud".

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Old 03-08-2012, 12:01 PM   #26
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I've had (5) Goodyear Marathon failures in roughly 53 months/30,400 miles +/- 50miles

All things being equal: 65mph speed rating, proper inflation, wheel balancing
Is there a consensus on whether dynamic wheel balancers reduce tread separation failures?
('tread separation' is the consensus on the nature of these GYM failures, right?)
Thanks

-Joe
Your not wondering if dynamic wheel balancing will stop GYM failures are you?
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Old 03-08-2012, 12:10 PM   #27
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.
When reading these posts, I keep wondering if alignment of tandem axles could be creating excessive heat, contributing to tire failure.
A quality tire would wear out, not blow out!!!
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Old 03-08-2012, 12:41 PM   #28
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What's the white stuff?

Ken
I pulled off onto a dirt road... prolly calcium chloride?
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