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Old 09-12-2011, 09:58 AM   #1
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Rear Bumper Strength

As I stated in an earlier post, I was a convert to the belief that you shouldn't carry bikes on the rear bumper. I removed the bikes some time ago. There was no damage at that time. I have now removed the spare tire mounted on the rear bumper. This is the result of just the weight of the spare tire on the rear bumper. I will admit that I did travel over a stretch of rough paved highway yesterday but I was driving slow and cautious. I was a bit surprised to see this when I backed in the driveway. Do you think something like this will be covered under warranty.
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Old 09-12-2011, 10:01 AM   #2
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It's worth a shot....they may not cover it if you mention that you had bikes on there before it broke. They will likely tell you that the bikes caused enough wear to lead to an eventual break at the weld.
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Old 09-12-2011, 10:14 AM   #3
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I don't think I would bring up the subject of bikes when talking to your dealer.
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Old 09-12-2011, 01:26 PM   #4
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The "bumpers" are poorly welded anyway. Whoever the welder is at Forest River should be ashamed of themselves. Take a look at the bottom where the bumper sits on the cutout. It's not welded under there at all, the cut/fit is really bad, and the welding is sloppy. I had mine welded properly and it's very solid now. I have a cargo carrier on mine that I use for light-weight stuff like bag chairs and such. I moved my spare tire up under the tongue with a spare tire hoist.
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Old 09-12-2011, 01:51 PM   #5
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If you take a close look at the weld pic at the license plate, you'll see that the weld bead is still intact and that the metal portion of the frame ripped away causing the break but the weld bead is intact, not a weld failure, but a metal fatigue failurt.
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Old 09-12-2011, 02:17 PM   #6
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Had the same problem with my flagstaff. Not covered by warranty. The dealer told me they would fix it at no labor cost, but I would have to pay for materials. Well I work at a machine/fabrication shop. I ordered all new material and had one of our certified welders weld a heavier duty bumper to the frame using some real angle iron instead of the sheet metal stuff they are using at Forest River!
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Old 09-12-2011, 03:01 PM   #7
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one thing to remember is that these are "Ultra-Lite" trailers and they will try and cut the weight anywhere they can. and the rear bumper seems to be one of the places.
heck, some brands don't even put a rear bumper on.

on Ultra-Lite TTs, they're basically decorative and only for the spare tire.
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Old 09-12-2011, 03:18 PM   #8
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Since you spare is way over by your ladder I would have to assume that it wasn't putting much weight at all where it broke. I would also have to assume that the side it is broke on is where the bikes used to be. This should be a warranty item IMO.

I have moved my spare to the middle of the bumper from the ladder side. My bumper seems pretty strong though, but after these photos I'm going to take a closer look at it.
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Old 09-12-2011, 03:28 PM   #9
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Quote:
Originally Posted by lbrjet View Post
Since you spare is way over by your ladder I would have to assume that it wasn't putting much weight at all where it broke. I would also have to assume that the side it is broke on is where the bikes used to be. This should be a warranty item IMO.

I have moved my spare to the middle of the bumper from the ladder side. My bumper seems pretty strong though, but after these photos I'm going to take a closer look at it.


I moved the tire near the ladder hoping that there wouldn't be as much movement from the bouncing. The bike rack was attached near the other side. I was under the understanding that these bumpers could take up to 150 lbs and with the bikes and tire it was less than that. As mentioned earlier, I removed the bike rack because of the damge the bikes done to the window frame and also the rack's main bolt holding it together worked its way to the last tread. i couldn't trust the bike rack anymore.
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Old 09-13-2011, 06:38 AM   #10
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http://www.forestriverforums.com/for...-no-16383.html

See my last post.

Without a doubt, your bike rack caused the fatigue that led to this failure. Bend a paperclip long enough and it will break, Which "bend" broke it? The last one or the twenty before it?
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