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Old 06-06-2023, 04:19 PM   #1
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Gluing hood mounts to fiberglass?

one of my hood mounts is missing. found parts in parts catalog. there looks like big blobs of rubber that was holding old mount on. any idea how to remove and replace with what glue sticks strong enough to fiberglass?
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Old 06-06-2023, 04:24 PM   #2
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Quote:
Originally Posted by Ted Fyden View Post
one of my hood mounts is missing. found parts in parts catalog. there looks like big blobs of rubber that was holding old mount on. any idea how to remove and replace with what glue sticks strong enough to fiberglass?
I had very good luck with 3M 5200. Takes a while for it to cure and it needs humidity to cure. I live in a dry climate so I wrapped the repair in wet rags to cure, it came out very well, it's never going to come off yet it remains ever so slightly flexible which means no rattle.
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Old 06-06-2023, 05:23 PM   #3
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I had one of mine fall off my Vista. I used stainless steel bolts and rubber/SS washers on both sides after that.
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Old 06-06-2023, 08:49 PM   #4
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Winnebago used epoxy of some type, Morich can find the specs in the W adhesives and sealants info. I don't know how.
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Old 06-06-2023, 08:52 PM   #5
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Originally Posted by BirchyBoy View Post
I had one of mine fall off my Vista. I used stainless steel bolts and rubber/SS washers on both sides after that.
Humm, edit button missing.
A body shop is replacing my front "hood'. the brackets have holes in them for the epoxy to squish through and droop before hardening, making sorta like a rivet head.
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Old 06-06-2023, 08:57 PM   #6
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I had mine come loose and just used 5200 and small SS bolts washers, with locking nuts to secure it to hood . Doesn't show unless you look close .
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Old 06-06-2023, 10:36 PM   #7
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I did the stainless steel 2 carriage bolt solution. For me the epoxy came off of the painted metal, not the fiberglass.
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Old 06-07-2023, 07:28 AM   #8
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Ordered parts. I was gonna have dealer do it but I really donít want to leave it. I would of made appointment but apparently thatís not a thing anymore or maybe never was.
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Old 06-07-2023, 07:39 AM   #9
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I’ve heard of people grinding the OEM epoxy off the hood and using Liquid Nails and other similar adhesives to reattach the brackets. I got lucky mine fell off at the RV shop I use in San Antonio and they reglued them as a matter of course, and no charge. That was 4-years ago and still solid.

But I have to admit the carriage bolt solution sounds best. I think Winnebago should use that method as well. This issue has been going on for decades.
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Old 06-07-2023, 07:49 AM   #10
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Quote:
Originally Posted by Ray,IN View Post
Winnebago used epoxy of some type, Morich can find the specs in the W adhesives and sealants info. I don't know how.
Ray, there isn’t any secret handshake required to find all this info.

1. Go to Winnebago.com
2. Click on the Owners tab
3. Choose the kind of info, diagram, parts list, guide, manual you want

In this case you’d choose Guides and Diagrams and then scroll down to paint and Sealant Guides and finally Sealant Callouts.

Though I’m not confident that this adhesive will be listed there. They don’t list every dollop of adhesive they use on the RV. It’s possible it would be listed in the 3D Parts Catalog that you reach the same way as I mentioned above.

PS. Unfortunately this info is only available online for Winnebago motorhomes, not Towables.
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Old 06-07-2023, 03:45 PM   #11
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i did look at the parts list and it has 3 adhesives listed. none for fiberglass
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Old 06-07-2023, 04:50 PM   #12
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You wrote "mount" but do you mean "latch" or "bracket"? It really doesn't matter since the solution is pretty much the same. There are tons of threads on this. This is not model/year specific other than the mount itself so don't try to find a fix for your specific rig. Most of the adhesives work although many posters decided to use adhesive + screws (I suggest bolt-through with a backing locknut). Personally, I've found JB Weld to be a versatile adhesive on all sorts of things.

Failure has more to do with poor prep and application rather than the failure of the adhesive.

This link will give you all your options, you just need to make a choice:

https://www.google.com/search?q=hood...-wiz-serp#ip=1
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Old 06-08-2023, 01:23 PM   #13
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One hood bracket came off, the other was loose. Ground the paint off to bare metal, ground the old epoxy off to bare fiberglass, used a lot of JB Weld (original) and clamped them in place. That was a year and 10,000 miles ago. Holding strong. Now checking and using JB Weld in other locations and mounts.
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Old 06-09-2023, 06:24 AM   #14
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Called Winnebago tech support and was told they use 3M automotive body panel adhesive on the brackets. I called 3M tech support and was told what type to use and also the following.
Leave the adhesive on the fiberglass, it will not come off, just trim the nibs so the part will fit back on. Use the nibs to locate the part into proper position.
Clean the paint off the bracket, the adhesive does not stick to painted surfaces.
Rough up the existing glue surface and glue onto it.
I bought the adhesive and the applicator, the brackets have held for two years now.

https://www.amazon.com/gp/product/B0...0?ie=UTF8&th=1

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
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Old 06-11-2023, 04:21 PM   #15
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^^^^^^^^^ That's exactly what I used to reattach the bracket to the nose of my pusher. I ground most of the old stuff off leaving enough to locate the bracket back to the proper position. Removed paint on both sides of bracket and put adhesive on both sides completely covering the bracket. No way it's coming off again. I also put sealant over the top of the bracket on the other side of the nose piece that wasn't damaged...
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Old 06-11-2023, 05:25 PM   #16
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I used 3M 5200 Marine Adhesive after using a Dremel tool to grind the old glue off. 2 years, no issues.
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Old 06-11-2023, 05:54 PM   #17
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My two cents is, no matter what method you use to re-attach these brackets, also consider wiring them in place with safety wire.

You absolutely do not want one of these coming off, and going under a tire at speed...
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Old 06-11-2023, 08:11 PM   #18
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Quote:
Originally Posted by Ted Fyden View Post
one of my hood mounts is missing. found parts in parts catalog. there looks like big blobs of rubber that was holding old mount on. any idea how to remove and replace with what glue sticks strong enough to fiberglass?
I glued mine back on with gorilla glue 4 years ago still holding strong
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Old 06-12-2023, 12:03 PM   #19
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I used the 3M 5200 and had good success. Here's a link to my previous post with photos. I used woodworking clamps.

https://www.winnieowners.com/forums/...4y-362033.html
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Old 06-13-2023, 06:29 AM   #20
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one of my hood mounts is missing. found parts in parts catalog. there looks like big blobs of rubber that was holding old mount on. any idea how to remove and replace with what glue sticks strong enough to fiberglass?

To remove the big blob of caulk a heat gun and a putty knife works well for me. Heat the tip of the putty knife first then while heating the glob work the knife under the glob.. For holding things down on my fiberglass roof I've had good luck with the 3M VHB tape. Clean the surface and the mount with alcohol first. Then sealing around mount with more globs of sealant. The sealant keeps the VHB tape from the weather. I recheck the mounts daily, it two years all is good.
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