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Old 12-09-2015, 01:51 PM   #1
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Rust in Bumper Destroyed Sewer Hose

Anyone know how to get rid of the rust in the rear bumper tube, my unit is a new 2015.5 and placed my sewer hose in there and the rust did a number on it, also now there is a small tear in it most likely from sliding it in and out of there with rust on the bottom


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Old 12-09-2015, 01:53 PM   #2
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Old 12-09-2015, 02:15 PM   #3
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I don't understand how rust could damage a plastic sewer hose, could you explain what it did?
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Old 12-09-2015, 02:23 PM   #4
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I think that this thread is titled backwards. Probably the bumper was destroyed by corrosive acids from the sewer hose.
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Old 12-09-2015, 02:31 PM   #5
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Had same issue on older fiver I had any leakage from hose causes rust in bumper everytime you drug the hose out acted just like sand paper especially the cheaper hoses would wear right thru them. On my new fiver I built my own holders with the plastic fence posts much better than the bumper and closer to my drain and larger holds all my different fittings also.
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Old 12-09-2015, 02:34 PM   #6
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Never stored my hose in the bumper. Always in a secure plastic tote.
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Old 12-09-2015, 02:35 PM   #7
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In past trailers we've owned, it wasn't the rust itself that did anything but make the hoses look 'rusty', it has most often been the remains of the welding and bits of metal that were not ever, or are ever?, cleaned out during the RV build.
Our newest TT has a diamond plate pop riveted around part of the bumper tube for looks and the rivets had to be filed down, by me, because I could only put the hose in or out through one side because the rivets stick in so far on the other to get a hose in.

I hosed out the tube when we first got it and was surprised how much bits of metal was in the thing. Those rough metal bits and just rubbing as you go down the road wear the holes in the dump hoses. The newer hoses like "Rhino Flex" we use are a bit more "resistant" but can still wear down by rubbing in the rough square tube.

One would think that after all these years this little design feature would be better addressed by the manufacturers!!
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Old 12-09-2015, 02:43 PM   #8
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Get a barbecue mop soaked in rustoleum taped to a broom handle swab the bumper with the paint let dry and slide in a plastic rain gutter.
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Old 12-09-2015, 02:48 PM   #9
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Quote:
Originally Posted by B47 View Post
I think that this thread is titled backwards. Probably the bumper was destroyed by corrosive acids from the sewer hose.
My bumper is very rusty on the inside and it has never seen a sewer hose.

And like Tdbrn, there are all sorts of things inside that would catch a sewer hose if I even tried to put one in.
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Old 12-09-2015, 03:17 PM   #10
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Originally Posted by ependydad View Post
My bumper is very rusty on the inside and it has never seen a sewer hose.

And like Tdbrn, there are all sorts of things inside that would catch a sewer hose if I even tried to put one in.
^^X2^^
When looking at some of the models on the dealer lots when ordering ours, almost all of them had very rusty bumper tubes on the inside. I think a lot of the frames sit out in the weather before production and get rusted up.

There are Scotch-Brite pads available at most hardware stores that could be taped or screwed to a piece of 2x4 and shoved back and forth to clean the inside of the bumper. Then tie a rag (or someone mentioned a BBQ brush) to the 2x4, dip it in some Rustoleum and paint the inside.
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