Gdetrailer

PA

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Joined: 01/05/2007

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Fished wrote: I just bought a Keystone Cougar, it had four Trailer King tires on it. The other day one blew out just sitting in the yard. It's possible that the dealer may have over inflated them. I'm getting ready to get five new Carslie tires for it from Discount Tire.
Valve stem failing sitting, yep, have had that happen once.
Tires sitting around and blowing out, no, never had that happen.
Possible? Sure.
Not very likely though.
Perhaps examine the valve stems, if you have tires with sidewall pressures listed above 50PSI then high pressure valve stems should be employed.. Typically high pressure stems will be made of brass metal unlike low pressure stems which are all rubber with brass liner for the valve..
![[image]](https://m.media-amazon.com/images/I/51kHupORPIS._AC_SL1000_.jpg)
High pressure stems
![[image]](https://m.media-amazon.com/images/I/61wJOS8U94L._AC_SL1500_.jpg)
Standard stems
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JIMNLIN

Oklahoma

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Joined: 09/14/2003

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Quote: The other day one blew out just sitting in the yard. It's possible that the dealer may have over inflated them. I'm getting ready to get five new Carslie tires for it from Discount Tire.
I've had tires on Skyline RV trailer (Marathon ST from Goodyear) and several ST/LT/P (different brands and all made in the usa) on various implement trailers just blow out while sittings over the years....or as a spare. Usually they were well used tires with lots of miles on them.
Its possible someone put to much psi in them.... then heating from the sun made even more psi.
"good judgment comes from experience, and a lot of that comes from bad judgment" ............ Will Rogers
'03 2500 QC Dodge/Cummins HO 3.73 6 speed manual Jacobs Westach
'97 Park Avanue 28' 5er 11200 two slides
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Nv Guy

Reno NV

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Joined: 06/18/2017

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I have had nothing but bad experiences with Chinese tires. The one "failure" I had since I switched to Goodyears was due to a valve stem popping out. Lesson learned, I replaced all valve stems with metal screw in type. Zero issues since then.
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rmnpcolorado

Madison, WI

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Joined: 09/01/2004

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Grit dog wrote: Arn wrote: 9,000lb trailer with load range D tires which came on the trailer.
If you're insinuating the tires are 7-8 years old, I wouldn't necessarily blame the tires....
I agree with Grit. If these were still the original tires as you’re referring to them as, they probably should have been replaced 3-4 years ago. It doesn’t matter who the manufacturer is/was, they’re past their prime. I had two made in the USA Goodyears blow that were only 3-4 years old. Got me to replace the other two real quick.
2020 Ford F-150 3.5L w/Max Tow
2023 Riverside RV Intrepid 240BHi
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Dadoffourgirls

China, MI USA

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Joined: 05/29/2003

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My Trailer King RST had two failures in the last week. The tires are just 3 years old. Properly inflated, watched the temps until the tire went.
Dad of Four Girls
Wife
Employee of GM, all opinions are my own!
2017 Express Ext 3500 (Code named "BIGGER ED" by daughters)
2011 Jayco Jayflight G2 32BHDS
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1320Fastback

Vista, Ca

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Joined: 12/04/2016

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I mounted, static balanced and used metal valve stems on both our trailers using Endurance tires. All were born within 4 months of delivery from Simple Tire.
1992 D250 Cummins 5psd
2005 Forest River T26 Toy Hauler
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BarabooBob

Baraboo, WI

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Joined: 12/28/2015

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Do yourself a favor and install a tire pressure monitoring system (tpms) I put mine on just before our last rip and it saved me from having a major breakdown. My parking brake did not release properly and the rear hub started getting hot. My tpms let me know that the tire was getting hot and I was able to get the parking brake to release. I could have overheat the grease seal on the rear axle which would have resulted in loosing the differential grease and possibly ruining the rear end. I would have ended the trip.
I put the tpms on the truck and TT.
Bob & Dawn Married 34 years
2017 Viking 17RD
2011 Ford F150 3.5L Ecoboost 420 lb/ft
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mosseater

Dillsburg, PA

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Joined: 10/19/2007

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On my third set of Maxxis 8008 with zero issues. I balance with balance beads.
"It`s not important that you know all the answers, it`s only important to know where to get all the answers" Arone Kleamyck
"...An unarmed man can only flee from evil, and evil is not overcome by fleeing from it." Col. Jeff Cooper
Sunset Creek 298 BH
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