Double Blowout - Fiberglass RV

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Old 04-19-2009, 08:13 AM   #1
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A warning to all: do not buy SUPERTRAIL brand tires. Last Monday, after five miles on the freeway, we had a blowout of a brand new Supertrail 5000, ST175/80/13 tire. The inside sidewall blew. Forty-five miles later, the other brand new tire blew, even more violently. This time the rim was also destroyed, because there was no shoulder to navigate to in time. (Load rating C=1,360 lb. each, 1,000lb more than the gross trailer weight.) We had to unhitch, leave the trailer near LAX (not the safest area) and go find a tire. After hours of searching (no one had any trailer tires) a Good Year dealer sold me a used car tire, just to get home. I think, henceforth I will only travel with two spares. Of course, first I must find a 13" UHaul wheel and find a way and a location to mount two spare support brackets.

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Old 04-19-2009, 08:51 AM   #2
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oh my...

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Old 04-19-2009, 10:04 AM   #3
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Have you contacted the store where you bought the Supertrail tires? What was their response?

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Old 04-19-2009, 11:32 AM   #4
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Hi: Ami P... Glad you are ok!!! To bad about the rim. The only tires I will use on a trailer are Goodyear Marathon radials. Even they are questionable. I had to replace the stems on all 3 of our tires as they had deteriorated and cracked. It would be interesting to know the Date of Mfg. of the tires (four digit) molded into the sidewall ie: 1609 for next weeks tires. What you bought may have been old stock!!!
Alf S. North shore of Lake Erie
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Old 04-19-2009, 01:14 PM   #5
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Most tire companies will not even consider replacing a tire unless you have the old tire to give to them for examination, so it's a good idea to save them.
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Old 04-19-2009, 02:03 PM   #6
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The retailer refunded my money and he is working on getting a new UHaul wheel. The tires were DOT 3408 = fairly fresh.
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Old 04-19-2009, 04:45 PM   #7
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How absolutely nerve racking!! And I would imagine leaving the Uhaul behind while you were out looking for a replacement tire was the worst part.... since you and the trailer and everyone else made it through the blowouts in okay shape.

IF you ever hear back from retailer about WHY the tires failed, I think we'd all like to hear about it. So please keep us and this topic in mind.
Donna D.
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Old 04-19-2009, 05:40 PM   #8
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(replying to IM's) The Supertrails were $50 ea. The replacement Good Year Marathons were $96 ea., installed.
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Old 04-19-2009, 09:56 PM   #9
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Thank goodness, Ami, you, Egg and tug are (relatively) unscathed! And kudos to the retailer for agreeing to the refund AND to help with the search for replacement wheel(s). Safe travels in the future - L 'n D
“Imagination is everything. It is the preview of life's coming attractions.” A. Einstein
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Old 04-20-2009, 04:28 AM   #10
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Glad you are OK. Kevin blew a tire on our second trip out.

I hope you are able to find a UHaul rim. You might be able to find an old UHaul dealer if you look around, like the one we stumbled on in Cheyenne, WY. He has been repairing UHauls for 30 years and had two hubs that he sold us when ours fell apart two years ago on vacation (it had previously been mended but the mends failed).
Otherwise, you will need to find a dealer who is willing to order a rim(s) and then sell it to you.

The rims are standard UHaul trailer rims, so a used one might be possible to find too.

1988 Bigfoot Silver Cloud, "The Egg Carton"
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Old 04-20-2009, 10:55 AM   #11
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Ami P,
You are now a member of a unique group! Wow, 2 flats basically at once. Many of us have experienced one flat or blow-out but when your spare is already in use, you are pretty much "high and dry".
We also, are glad the situation has worked out OK for you. The thought of leaving your TT on the side of the road, particularly in that area, is scary.

Stay safe!
Kurt & Ann K.
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Old 04-20-2009, 03:33 PM   #12
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I have a friend in Ohio that bought 4 new tires for his toy hauler camping trailer. He blew all 4 tires in less that 1K miles. Reason: The stems where blowing out of the tires, so what his son in law told him to do is use steel stems like on a Tractor Trailer. After doing that with his 4 new tires, he hasn't had a problem with anymore flat tires. I would have never guessed.
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Old 04-20-2009, 06:37 PM   #13
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The fireworks-tire HAD new steel stems installed prior to blowing. This was definitely rubber failure.
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Old 04-20-2009, 06:46 PM   #14
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That is scary, especially because the DOT number shows that your tires were made so recently. Scary thought that manufacturers can put tires out like that with little to no reprocussions. My thoughts on tires is that they are the most important part of your rig (vehicle or trailer) so the extra money is definitely well spent! Another thought is that the retailer that installed the tires may not have correctly inflated the tires? load C are about 65 PSI regular car tires about 30-35... maybe a newbie installed the tires and didn't know the difference..?

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