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Old 08-12-2016, 08:38 PM   #41
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x2 nmwildcat. Tireman "root cause analysis" is really impracticle when you are sitting on the side of the highway. Likewise asking 5 whys when you need to get back on the road. I have posted before with your responses and respect your experience but when I have had two sets of china bombs fail in 3 years it starts to become a trend. I have always maintained pressure, stored properly and avoided road hazard as much as possible and not operated above or near load limits and still had on the first set of tires a blowout on front left and later rear right. A year later on marathons a separation detection by tpms before failure. How can I not conclude tire quality, design or application as being a "root cause".
You CAN conclude these as being root causes (of which there are more than just the 3 you've listed). But you CAN'T conclude it's because it was made in China, which is what people want to "conclude." That's not a root cause.
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Old 08-12-2016, 08:38 PM   #42
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.
Do not lose the faith brother. I have been reading so much static that I have been forced to re-read and re-read the tire failure posts.

My take on this whole thing is to be watching my tire inflation, inspect the tires for damage/deformities, and keep my speed within tolerances.

If anyone has magic that can keep me from having to do these chores, the check is in the mail.

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Old 08-12-2016, 09:15 PM   #43
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rockfordoo If I had a complete data set of failure and source of manufacture and performed an R squared analysis I suspect there would be a very high coef or correlation to china vs other locations. This analysis would not be impacted by population of the data.
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Old 08-12-2016, 11:26 PM   #44
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rockfordoo If I had a complete data set of failure and source of manufacture and performed an R squared analysis I suspect there would be a very high coef or correlation to china vs other locations. This analysis would not be impacted by population of the data.
As stated above: Correlation does NOT equal causation!!!!
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Old 08-13-2016, 09:35 AM   #45
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As a solo female, brand new trailer owner (2016 Microlite BHS25), I wanted to be extra safe. I had NO experience hauling a trailer. I did my homework, took a step by step approach to gain experience and knowledge. The dealer(Campbell RV Sarasota), my garage maintenance folks and so many others were absolutely amazing in helping me. I love my Flagstaff trailer, its design, its smooth ride, everything about it. Since March, I've traveled about 7000 miles.

Before hitting the road, I had this nagging concern about the new tires that came with my new trailer. I decided to have them checked out and to learn everything I could. The first clue was asking myself what if I had a flat tire and wanted to replace with another one same brand, same size. Of course I also worried about a blowout and the huge damage these can cause. An extensive internet search led me nowhere. Brand/Make. So I bit the bullet and bought 4 new tires. Chose Hercules Cooper tires. Night and day difference in the ride and the tread. As we changed the tires, I asked tons of questions to educate myself and it's in that process that we saw a big bubble on the factory installed tires that went with my trailer. This was a serious blowout waiting to happen. I've wanted to write to the manufacturer, to express how happy I am with my trailer but to urge them to not skimp on tires. I would gladly have paid more to avoid the added stress of knowing I had cheap tires on my new trailer. I'm sure many others would feel as I do. Trailer travel is more than design and cosmetics. It's safety first.
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Old 08-13-2016, 02:40 PM   #46
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As we changed the tires, I asked tons of questions to educate myself and it's in that process that we saw a big bubble on the factory installed tires that went with my trailer. It's safety first.
Congrats on the new trailer AND for being such a pro-active informed owner! We (wife and I) are very impressed with your story and are forwarding it to several single friends of ours (men and women) who want an RV of their own but just need a little push to brave the jump.

Glad you caught that tire before it caused serious damage. You have good instincts!

Thanks for your post and welcome to the forum and to RVing!

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Old 08-13-2016, 03:06 PM   #47
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Thank you Scott and Liz - NM Wildcat. I really appreciate the kudos. Indeed this was a huge leap of faith for one not too mechanically inclined. Today I am proof positive that if we love something enough and allow ourselves to go beyond the dream and turn it into reality, we can learn just about anything. By taking a deliberate approach and leaning on others for their help and advice. The camping and park community are amazingly helpful as is this group. My last message is how much I appreciated "failing" and "running into problems". Every time I did I learned tons. Suzanne
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Old 08-13-2016, 03:22 PM   #48
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No, not ALL ST tires are made in China. My Maxxis M8008 ST 225/70/15 are made in Thailand per the stamp on the sidewall. Perhaps the Moab tire retailer should be made aware of this.
Maybe, or maybe not, the next time I'm in Moab, I'll stop by and note that to him.

As for Maxxis tires, they are manufactered by Cheng Shin Rubber Industry Co. of China with plants in Thailand, and China, and many other countries, so I guess I can safely assume many are made in China.

I was just being sarcastic (but not using the sarcasm font) that it seems like many (heck a majority) of the posts on this site in regard to tires have a mention of "China Bombs." So I'll rephrase that and say from research and talking with tire dealers (owners, not necessarily salesman) the greater majority of ST tires are manufactured in China.

My Goodyear Marathons were, and they could not hold up to extremely rough roads, so I pulled them after a few flats and replaced them with Yokohama tires. However, considering the roads they were on when they failed (at very low speeds), I would not consider them China Bombs. Don't believe there are many ST tires (except for an off-road ST tire made by Hercules) that can take the punishment of sharp rocks, sharp ledges, etc.

As for China Bombs, I can related to an American Bomb or two I have had over the years.
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Old 08-16-2016, 01:52 PM   #49
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Originally Posted by Lousuz View Post
As a solo female, brand new trailer owner (2016 Microlite BHS25), I wanted to be extra safe. I had NO experience hauling a trailer. I did my homework, took a step by step approach to gain experience and knowledge. The dealer(Campbell RV Sarasota), my garage maintenance folks and so many others were absolutely amazing in helping me. I love my Flagstaff trailer, its design, its smooth ride, everything about it. Since March, I've traveled about 7000 miles.

Before hitting the road, I had this nagging concern about the new tires that came with my new trailer. I decided to have them checked out and to learn everything I could. The first clue was asking myself what if I had a flat tire and wanted to replace with another one same brand, same size. Of course I also worried about a blowout and the huge damage these can cause. An extensive internet search led me nowhere. Brand/Make. So I bit the bullet and bought 4 new tires. Chose Hercules Cooper tires. Night and day difference in the ride and the tread. As we changed the tires, I asked tons of questions to educate myself and it's in that process that we saw a big bubble on the factory installed tires that went with my trailer. This was a serious blowout waiting to happen. I've wanted to write to the manufacturer, to express how happy I am with my trailer but to urge them to not skimp on tires. I would gladly have paid more to avoid the added stress of knowing I had cheap tires on my new trailer. I'm sure many others would feel as I do. Trailer travel is more than design and cosmetics. It's safety first.

So what was the conclusion on why the OE tire had the "big bubble". Road hazard? Run low damage? curbing? pot hole impact? What ddi you see on the inside of the tire?
If you felt it was the tire's fault did you file a complaint with NHTSA?
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Old 08-16-2016, 01:56 PM   #50
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Originally Posted by f5moab View Post
Maybe, or maybe not, the next time I'm in Moab, I'll stop by and note that to him.

As for Maxxis tires, they are manufactered by Cheng Shin Rubber Industry Co. of China with plants in Thailand, and China, and many other countries, so I guess I can safely assume many are made in China.

I was just being sarcastic (but not using the sarcasm font) that it seems like many (heck a majority) of the posts on this site in regard to tires have a mention of "China Bombs." So I'll rephrase that and say from research and talking with tire dealers (owners, not necessarily salesman) the greater majority of ST tires are manufactured in China.

My Goodyear Marathons were, and they could not hold up to extremely rough roads, so I pulled them after a few flats and replaced them with Yokohama tires. However, considering the roads they were on when they failed (at very low speeds), I would not consider them China Bombs. Don't believe there are many ST tires (except for an off-road ST tire made by Hercules) that can take the punishment of sharp rocks, sharp ledges, etc.

As for China Bombs, I can related to an American Bomb or two I have had over the years.
It certainly would help if people could post the DOT serial of their "China Bomb" tires. With that information we could narrow down the location that is causing the problem.

As ref, the Ford Explorer tire problem was traced to one plant that made tires that failed when they were run with 17 psi on the Explorer but not when tires from that plant were on Toyota pickups. So sometimes it is the state where the plant is that makes the tires in combination with the city where the vehicle is made.
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