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09-10-2023, 05:56 PM
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#1
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Winnie-Wise
Join Date: Jul 2019
Location: Rochester, MN
Posts: 419
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Fender separation in 2019 Micro Minnie 2108DS
I was poking around under my 2108DS today doing a little inspecting. I had noticed some wires drooping from the frame over my street side wheels and thought I had better check the brakes. Sure enough, my brake wires on the side had pulled from the crimp connectors (or whatever they are called -- I just asked over in the running gear forum so I can order some to fix that issue).
BUT...it turns out those wires I initially spotted had nothing to do with the brakes! They were wires drooping out from under the slide. It turns out the fender is separating from the trailer frame/floor joint. In fact, I am really starting to wonder if the fender was ever properly slid into place in that joint. I'm mainly posting as a warning to double check this on your trailers. Mine was built back in the day when there was more quality in the build (haha, yeah, I mean that in a relative way -- let's call it "rv good quality").
The first photo is the street side under the slide. Note that galvanized fender isn't in the frame. All but one screw was missing (I removed the remaining screw) as I don't think they ever really went into the frame. It's really open air up into the slide area and the gob of random "quality wiring" up there is finding its way down the opening. The second photo shows the curb side under the stove/sink and it's just fine if you look closely.
I'm not sure how I'll fix it. I tried tapping with a mallet some from one edge to see if I could coax it into the gap, but I really don't think that's going to work. Also, it's really hard to even start on this as it's tough to get those wires to want to stay put under the slide. All I need is to pinch them and short them out.
__________________
Todd
2019 Micro Minnie 2108DS with upgrades and mods here
2020 Toyota Land Cruiser, RedArc TowPro-Elite, Andersen 3380 WDH
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09-10-2023, 09:15 PM
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#2
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Site Team
Join Date: Mar 2019
Location: South Bend, WA
Posts: 2,125
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Hi Todd,
I wonder if you could slide some fiberglass insulation up into the cavity to force the wires up & hold them out of the way. I would buy larger self-tapping screws, double the number of screw-points, and use Loctite. It looks like they just vibrated loose and fell-out, rather than tearing-out.
Good luck; Eagle5
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2019 Minnie Winnie 22M on an E-450 frame
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09-16-2023, 05:21 PM
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#3
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Winnie-Wise
Join Date: Jul 2019
Location: Rochester, MN
Posts: 419
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Well, I took a stab at fixing the fenders over the past couple of days and I managed to do it!  I drove up on a block on one wheel so I could take the other wheel off, and started working the sheet metal from there. I found a putty knife worked well to help sneak it back into the slot, so I grabbed a couple more drywall knives and that did the trick. When it was half done, I re-installed the wheel and did the other one. The room to work with the wheel off was what it took to get the job done.
I pulled out the loctite, but in the end I decided to smear each screw in a little JB weld before driving it in. I'm not sure it'll help, but it made me feel better. I found the screws on the curb side were also coming out, so I gave them a little treatment too.
Yet another thing to check annually, I think.
__________________
Todd
2019 Micro Minnie 2108DS with upgrades and mods here
2020 Toyota Land Cruiser, RedArc TowPro-Elite, Andersen 3380 WDH
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09-16-2023, 08:04 PM
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#4
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Site Team
Join Date: Mar 2019
Location: South Bend, WA
Posts: 2,125
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Hi Todd,
I love the idea of using the JB Weld. That stuff is the best, and I am sure it is better than the Loctite of which I was originally thinking. I bet it will stay together now.
Thanks, Eagle5
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2019 Minnie Winnie 22M on an E-450 frame
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09-18-2023, 09:16 AM
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#5
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Winnebago Camper
Join Date: Dec 2021
Posts: 38
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Be advised - JB weld is hygroscopic. Meaning it will absorb moisture over time and eventually fail. If you use JB weld ensure you paint over it. If you can get to the parting area from the inside paint that too.
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Gunny,
2022 Micro Minnie 1708FB
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09-18-2023, 09:31 AM
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#6
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Winnebago Watcher
Join Date: Sep 2023
Posts: 4
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I had the same problem with those fender liner screws backing out on my Micro Minnie. I tried larger self tappers, loctite, and eventually a bunch of silicon on the heads of the screws (which worked for a couple of years). Last year the silicon was failing and I lost one more screw, so I removed all the screws and replaced them with rivets.
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09-18-2023, 09:49 AM
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#7
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Site Team
Join Date: Mar 2019
Location: South Bend, WA
Posts: 2,125
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Hi jvdb,
The rivets sound like a good idea.
Welcome to the forum.
Eagle5
__________________
2019 Minnie Winnie 22M on an E-450 frame
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09-18-2023, 03:39 PM
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#8
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Winnie-Wise
Join Date: Oct 2021
Location: Abbotsford, BC
Posts: 409
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Quote:
Originally Posted by jvdb
I had the same problem with those fender liner screws backing out on my Micro Minnie. I tried larger self tappers, loctite, and eventually a bunch of silicon on the heads of the screws (which worked for a couple of years). Last year the silicon was failing and I lost one more screw, so I removed all the screws and replaced them with rivets.
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Have the same problem, replaced a bunch of screws this spring half missing again. This last trip out found a mouse in the house under the kitchen sink. Thinking he came in here and up through the hole where the fresh water tank inlet lines enter.
Rivets are a great solution, I was considering going that route when I repair it. Is the outer fender liner (in question) supposed to be tight against whatever its attaching to?
How long of rivets were required to get the job done. Did you use 3/16" Dia. rivets as you increased the hole size via larger self tappers.
Thanks,
Lyle
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09-18-2023, 04:00 PM
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#9
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Winnebago Watcher
Join Date: Sep 2023
Posts: 4
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Close. I had a few different sizes on hand, and 5/32" seems to be what fit perfectly in the holes the larger self tapping screws left.
I actually didn't disassemble it and get a good look at what the backing is. I suspect it's thin sheet metal. The rivets didn't substantially compress the fender liner, so they must be adjacent?
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09-20-2023, 02:24 PM
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#10
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Winnie-Wise
Join Date: Oct 2021
Location: Abbotsford, BC
Posts: 409
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Quote:
Originally Posted by jvdb
Close. I had a few different sizes on hand, and 5/32" seems to be what fit perfectly in the holes the larger self tapping screws left.
I actually didn't disassemble it and get a good look at what the backing is. I suspect it's thin sheet metal. The rivets didn't substantially compress the fender liner, so they must be adjacent?
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Thanks, reason I asked on backing, I noticed my screws caused a little indent too.
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09-21-2023, 06:09 AM
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#11
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Micro Minnie 2108DS
Join Date: Sep 2020
Location: Gichi-Gami, WI
Posts: 15
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Using aluminum rivets to fasten steel, especially in high moisture areas will subject the rivets to galvanic corrosion, and early failure. Best to use steel self tapping screws and red loctite.
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09-21-2023, 12:01 PM
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#12
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1996 Itasca 29Q
Join Date: Oct 2020
Location: Victoria, BC
Posts: 154
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Quote:
Originally Posted by DEWEY
Using aluminum rivets to fasten steel, especially in high moisture areas will subject the rivets to galvanic corrosion, and early failure. Best to use steel self tapping screws and red loctite.
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You can get Stainless Steel rivets!
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09-21-2023, 12:49 PM
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#13
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Winnebago Watcher
Join Date: Sep 2023
Posts: 4
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Quote:
Originally Posted by Bobn1957
You can get Stainless Steel rivets!
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I'll have to keep that in mind if they eventually start failing. I'd still choose rivets. I don't like the idea of screws in my (or someone else's) tires. I cleaned (with brake cleaner) and loctited the hell out of those self tappers. They just continuously backed out on me.
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09-21-2023, 01:44 PM
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#14
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1996 Itasca 29Q
Join Date: Oct 2020
Location: Victoria, BC
Posts: 154
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Quote:
Originally Posted by jvdb
I'll have to keep that in mind if they eventually start failing. I'd still choose rivets. I don't like the idea of screws in my (or someone else's) tires. I cleaned (with brake cleaner) and loctited the hell out of those self tappers. They just continuously backed out on me.
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You might try putting some Lexel on the threads, pretty good holding power! Loc-tite won't work because it needs to be sealed from air.
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09-21-2023, 02:06 PM
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#15
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Winnebago Watcher
Join Date: Sep 2023
Posts: 4
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Quote:
Originally Posted by Bobn1957
You might try putting some Lexel on the threads, pretty good holding power! Loc-tite won't work because it needs to be sealed from air.
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If you read my earlier post, I put a ton of silicon on the screw heads, and that did work for a couple of years. It looks like Lexel would be an improvement. I have no experience with that adhesive.
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09-21-2023, 07:50 PM
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#16
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Micro Minnie 2108DS
Join Date: Sep 2020
Location: Gichi-Gami, WI
Posts: 15
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My earlier post was addressing the use of aluminum rivets. It is always advisable to use similar alloys when fastening materials in high moisture areas, especially in areas subjected to road spray. In the rust belt, we are exposed to road salt which is not limited to just the winter as it dries on the road surface and is rehydrated after every shoulder season rain storm. We travel to Florida every year around late March, and it's frightening how much rust occurs in one trip if the underside is not flushed immediately. Galvanic corrosion excellerates the process.
Rivets are probably the best long term solution, however use steel rivets rather than aluminum, better yet use galvanized rivets. I'm not sure if they can be installed with your typical DIY TruTemper pop rivet tool, but I think you can find a solution on the interwebs if you're set on using rivets. I do spend a lot of time before and after trips, inspecting the TT for loose fasteners, tightening and/or replacing them. It is what it is.
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