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Old 03-17-2018, 11:00 PM   #1
Txtower
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6 blown tires over 4 years!?!?

I have a 2004 Starcraft Homestead 290 BHS. I keep blowing tires and am not sure what the issue is. It is always the left side under the slide out. Rear one seems to be the one that has blown most. I have 15” Wheels with Carlton ST225/75R15, Load E. I have them at 68-70psi.

I found some threads out there where others have went to bigger wheels and a stronger Load Range J type tire. Not sure if this is a viable option. I don’t know if axel is bent or not true, but admittedly don’t know how to check that. The other side tires operate fine so I think it is fine.

We just finished an 800 mile found trip and the tire went in the last 10 miles. The left rear blew again and wrapped itself around the axel. I can not tell if it is tread separation or what kind of failure.

It seems the slide out side is the issue and I am wondering if it is a weight issue, too low psi, need bigger sturdier wheel/tire?

GVWR 11,580
CCC 3065

Any ideas? Thanks
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Old 03-18-2018, 08:17 AM   #2
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I could find absolutely no info on a Carlton tire. Where might you be buying your tires? I would start by bringing your RV by a truck alignment center and insure that both axles are true and aligned. Insure that brakes and wheel bearings are in top shape, and then swap to a new set of Carlisle load range E from Walmart. Their price right now is about $63 per tire. Carlisle isn't my all time favorite brand, but it is a good brand with a great price. Go with the recommended PSI listed on the front driver's side of your RV. Never, but never run less PSI than recommended. I would recommend a cheap infra-red thermometer from Harbor Freight ($10-$20) and check often, insuring that all four tires are very close in temperature.
I might also ad that those wheels should not be on that RV. They look like they came from Tractor Supply, and are not a quality wheel.
I'm sure others will chime in with more recommendations as well.
On edit, I concur with the Maxxis brand also.
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Old 03-18-2018, 09:22 AM   #3
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I think the wheels were probably factory issue on that brand at that time. Having blowouts on the same position every time is strange, leading me to think that it is carrying more than its share of the load. Doesn't look from the pic that you are towing nose-high much, if at all.
The suggestion to go to Carlisle is a good one, or take a look at Maxxis brand. Not much better in the 15" range. To go to a J would require wheel and probably axle changeout.
Checking the temps with the temp gun is a good suggestion--this should be done often until you determine if it is running at/near the temps of the other 3 tires.
To take the wheel itself out of the equation--have you changed that LR wheel to some other position to see if the trouble follows the wheel or the position on the axles?
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Old 03-18-2018, 09:55 AM   #4
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I bought those tires on the road in TN at a Discount Tire. Truck alignment center sounds like a good idea, I will need to find one. As for PSIs... I have never seen a sticker on the camper with recommended pressures. I will have to dig through the plethora of documentation to see if it is in print. I never thought of the thermometer. Good idea. Duh!
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Old 03-18-2018, 10:11 AM   #5
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Probably my fault on the tire pressure recommendation. 2004 was probably a year or two earlier than the date it was required.
Give Truck AG and Auto a try and see if they can't recommend the proper place in your area for the alignment. 254-965-4403
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Old 03-18-2018, 10:12 AM   #6
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Quote:
Originally Posted by wingnut60 View Post
I think the wheels were probably factory issue on that brand at that time. Having blowouts on the same position every time is strange, leading me to think that it is carrying more than its share of the load. Doesn't look from the pic that you are towing nose-high much, if at all.
The suggestion to go to Carlisle is a good one, or take a look at Maxxis brand. Not much better in the 15" range. To go to a J would require wheel and probably axle changeout.
Checking the temps with the temp gun is a good suggestion--this should be done often until you determine if it is running at/near the temps of the other 3 tires.
To take the wheel itself out of the equation--have you changed that LR wheel to some other position to see if the trouble follows the wheel or the position on the axles?
Had issues with wheels/tires in 2012 to the point insurance company was involved and the white wheels are what I ended up with. I was going through what is located where Load wise and there is a lot on the left side, so it “could” be a weight/Load issue.

The wheels have been in different positions after my TN fiasco. I had Discount Tire put same wheels/tires on same axels, so there was some shifting. However that wheel is now destroyed and I may just go out of pocket for original or close to OEM Mag wheels or upgrade to something sturdier in a 16” range and say goodbye to the 15”. I just want to make sure I am not masking an issue like bent axels as “notanlines” mentioned.

I did a lil research and saw a Goodyear Tire that is supposed to have a good reputation but that is in writing, not in conversation like this. As I mentioned in the previous post, there is no tire pressure documentation that I can find. What do you guys use for pressure? I was running them at 68-70psi. SAfely within Load E 80 psi. Do you guys just take them up to 80psi cold? Do you air up more pressure on a heavier side of camper?

Good input, thanks all!
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Old 03-18-2018, 10:14 AM   #7
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Originally Posted by Notanlines View Post
Probably my fault on the tire pressure recommendation. 2004 was probably a year or two earlier than the date it was required.
Yup. Agree about tire pressure. Gonna need to research it. This needs to be accurate. However like you mentioned, I need to get those axels checked, otherwise I am masking a potential issue.
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Old 03-18-2018, 11:48 AM   #8
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If you did not see any odd wear, doubt it is the axle itself. Run tire pressure at max indicated on tire. Get the trailer/truck weighed.
Changing to 16: great idea, much better tires available.
Still odd to have trouble at only one position...
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Old 03-18-2018, 02:15 PM   #9
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Originally Posted by wingnut60 View Post
If you did not see any odd wear, doubt it is the axle itself. Run tire pressure at max indicated on tire. Get the trailer/truck weighed.
Changing to 16: great idea, much better tires available.
Still odd to have trouble at only one position...
No adverse wear, so possibly good sign. Researching wheels/tires.
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Old 03-18-2018, 04:11 PM   #10
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Give the folks at www.trailertiresandwheels.com a call--they will know what you are facing and have good solutions. Sets of tires/wheels, mounted/balanced, sent to your house. Good folks, very knowledgeable about trailer wheels and tires. Have bought 2 sets from them.
By the way, is Discount Tire standing behind any of the tires they sold you?
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