abnormal tire wear on Scamp 16 - Fiberglass RV


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Old 06-13-2015, 04:39 PM   #1
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Name: Chuck
Trailer: Scamp 16 Deluxe
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abnormal tire wear on Scamp 16

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After 5,000 miles on a new trailer and tires, I noticed the passenger side tire is BALD for about 2 inches from the outside edge. I've changed the tire, and got the rig to a shop in order to have the alignment and wheel bearings checked.

I asked Kent at Scamp about the issue, and he tells me 90% of the time abnormal wear on the outside of the passenger tire is because of alignment issues or damage caused by hitting something along the road. I have no recollection of hitting anything (I think I would have noticed a bump big enough to put the tire that far out of whack.)

Does anybody have any advice or other possible diagnosis on what may have happened? I'm really hoping it is a simple issue (like alignment or wheel bearings)

I wanna go camping!

Thanks for any thoughts

Chuck
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Old 06-13-2015, 06:11 PM   #2
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It may be just the camera angle but it looks like a broken belt in the tire going by how the outer edge looks like a larger diameter than the inner edge.

If the wheel is off of the trailer you can roll it across your driveway. If it rolls like a tire off of a clown's car with a lot of run out then it has a broken belt. If it was fairly new you may be able get the tire manufacturer to warranty it.
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Old 06-13-2015, 08:13 PM   #3
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Have you checked inside the wheel well to see if its rubbing on anything?

If not then take into a tire dealer as Steve suggests and see if they can see anything wrong with the tire itself.

If they can't see anything then taking a look at your wheel bearing is a good idea.

I BTW always get my trailers tires balanced when changed out, not sure if Scamp does that or not when they put them on new.
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Old 06-13-2015, 10:07 PM   #4
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Passenger side can also known as curb side. that is the side most likely to be struck. If the front of the tire strikes the curb hard enough it could bend it in such a way as to induce excess tow-in which would result in wear as shown on your tire.
If it strikes the curb squarely at the bottom it could induce excess positive camber which would result in the same wear.

The places where the body of the tire shows cracks are the result of the wear about to expose the edge of the belt.
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Old 06-13-2015, 10:32 PM   #5
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Chuck
I was reading a post just the other day like yours. The had someone check the alignment and it was out of alignment. They had a bolt on axle which you should also have. They were able to unbolt and reposition the axle and all was good. But I have also seen a bad axle wear like that too.
I guess you will have to get the alignment checked first. I would try to deal with Scamp first. If no satisfaction with Scamp then go to the axle mfg. Dexter has a square tube, ALKO has a 3 sided tube. Dexter will have a decal with their mfg. info on it. The axle will also have the info etched on the tube. Just hope you don't have an ALKO with issues, they were just bought out by Dexter I don't know what they are doing about warranty on the ALKO axles.
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Old 06-14-2015, 12:07 AM   #6
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Hi Folks,
Thanks for your comments. It's actually a Lippert axle I believe. As I said above, Scamp is involved in the discussion. At this point, we're waiting for the shop I took it to to make their diagnosis.
Steve, exactly what do you mean by "a lot of runout" ? The tire is lopsided as you suggest, or will it wobble as it rolls? It sounds as if it might be worthwhile to go pick up the tire and take it to a tire shop for their comments.

Thanks again

c
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Old 06-14-2015, 12:39 AM   #7
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Hey Chuck, I've had a couple tires over the years have separation problems. The last one, on a truck had a 1/2 inch lift to the tread from center to the outside and no tread ware issue like yours. Only 10K miles on them too. To me, from your pic, it does look like it has higher tread height on the outside edge.
I have no idea how much of a hit it would take to bend an axle or stub enough to cause your tread problem. Might not be much but a lot of miles later with scuffing....
Let us know what you find out cuz this has come up before.
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Old 06-14-2015, 08:53 AM   #8
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Chuck,
Here's a pic of a tire w/a broken belt. Usually when this happens the tread is no longer round or true causing vibration & handling problems. There's no set reason for the belt breaking/separation failure but age of the tire seems to be the biggest cause.

If possible, spin it either on the trailer hub or have a tire shop put it on their spin balancer. You should quickly see the tire defect if there is one. If the trailer & tires are fairly new I would think there should be some warranty on the tires covering a belt separation issue.

As others have mentioned checking the alignment would be a good idea also.
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Old 06-14-2015, 11:18 AM   #9
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Originally Posted by beardrum View Post
Attachment 85220

After 5,000 miles on a new trailer and tires, I noticed the passenger side tire is BALD for about 2 inches from the outside edge. I've changed the tire, and got the rig to a shop in order to have the alignment and wheel bearings checked.

I asked Kent at Scamp about the issue, and he tells me 90% of the time abnormal wear on the outside of the passenger tire is because of alignment issues or damage caused by hitting something along the road. I have no recollection of hitting anything (I think I would have noticed a bump big enough to put the tire that far out of whack.)

Does anybody have any advice or other possible diagnosis on what may have happened? I'm really hoping it is a simple issue (like alignment or wheel bearings)

I wanna go camping!

Thanks for any thoughts

Chuck
I just finished a 3000 mile trip from windsor ont to Los Angela's with my 1300 trillium I left with fairly good tread on the tires and checked the tires often an the trip they seemed fine until the last 50 miles of the trip when I noticed the trailer wasn't pulling right. When I arrived at the happier camper lot I looked at the tires to my astonishment the curb side tire had completely torn apart and when I removed the tire tire there was a 6 inch chunk completely torn out right down to the steel belt . I also checked the bearings and axel and all seemed fine so I assume I hit something which caused a chain reaction on the tire. I can't believe I made it here after seeing the condition of the tire . Maybe your tire also hit something and caused the problem
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Old 06-14-2015, 11:22 AM   #10
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Looks exactly what I saw in first Trip with our used Scamp 16.
I put spare on and 1500 miles later we were home. Decided we wanted a Casita and we sold it like that. I figured it was out of alignment.
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Old 06-14-2015, 12:14 PM   #11
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The curb side tire on my 2008 Casita looked exactly like yours.
It was fine when we left Ontario but worn when we arrived in Pensacola.
Took it to two tire experts and ended up replacing both tires.
The experts suggested all the above mentioned; bearings, alignment, broken belt, but they concluded that the tires were just too old . I guess 7 to 10 years is the life of a tire because we drove home on the new ones and all seems fine.
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Old 06-14-2015, 12:32 PM   #12
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... I guess 7 to 10 years is the life of a tire ...
Actually that's well over the expected life of a camping trailer tire.
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Old 06-14-2015, 02:43 PM   #13
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Actually that's well over the expected life of a camping trailer tire.
Agree, and as pointed out before the thought needs to be said again. ST trailer tires are of the lowest grade of tire made and do not last as long as most other tires. If you are using them replace them often.
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Old 06-14-2015, 03:12 PM   #14
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How do I know how old my tires are?

answer here:
http://www.tirerack.com/tires/tirete....jsp?techid=11
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