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Old 02-11-2003, 08:56 PM   #1
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cracked wheelwells

Has anyone found a good product to seal up cracks in their plastic wheelwells? My Overlander has a couple of 3 inch cracks, probably caused by unbalanced running gear but that is a entirely different discussion!! It needs to be something that will stick to the plastic and be able to flex a bit. I was thinking maybe some Plumber's Goop, a horribly sticky, flexible almost non-removable substance. Any other ideas?

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Old 02-11-2003, 09:42 PM   #2
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Chas
There is a latex caulk called "Big Stretch"which probably would work.It comes in a standard size cartridge at better building supply stores and you can get a color close to the original plastic.It smoothes out well when you let it set a couple of minutes and work it with a sakiva-moistened thumb.
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Old 02-11-2003, 09:53 PM   #3
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Both sides?

Chas, I was thinking that maybe you'd want to seal some cut out innertube to the inside of the wheelwell with the goop to ensure rain doesn't come up through the crack? I know someone else was repairing their wheelwell, but I can't remember the thread.
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Old 02-12-2003, 10:59 AM   #4
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CRACKED WHEEL WELL REPAIR

Repairing cracked plastic or metal wheel wells is done very easily.
Remove all the dirt from around the crack. Add an aluminium plate that's about 2 inches wider and longer than the crack. Drill all the holes.
Remove the plate and place a generous amount of "vulkem" sealer on the back side of the plate. Reinstall the plate with aluminum pop rivets, using #48 pops.
Add more vulkem sealer, to the completed installation, both over the complete plate, and, past the edges of the aluminum by at least an inch or two. Again, use a generous amount of vulkem.

Let the vulkem set up for a day or two.

Spray a generous amount of "underseal" on and past the vulkem.
The repair is now complete.

However, get the running gear properly balanced, so that it doesn't happen again.

Also while your at it, check the interior wheel well. You may find that it is also cracked and/or separated from the wall. It can be repaired the same way as the exterior wheel well.


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Old 02-12-2003, 11:30 AM   #5
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Thanks Andy,

It may be trcky to get the aluminum plates to match the curvature of the places I got cracked but agree it is needed to give it more strength. I found a shop here that will balance everything on the trailer, I guess they have the tire spinner and a strobelite? Are the aluminum wheels less problematic when it come to balancing issues? I have the original mags on mine.

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Old 02-12-2003, 11:51 AM   #6
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Charles.

Mag or aluminum wheels, by their very nature, are indeed, much closer to being balanced.

However, they are not in fact, "in balance."


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Old 02-18-2003, 04:35 PM   #7
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Here is a patch on one of my wheelwells.

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Old 02-18-2003, 05:05 PM   #8
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Thumbs up looks good!

chas that should seal it well!

nice work.

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Old 02-18-2003, 05:15 PM   #9
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Chas,

Good job!!

Sounds like you're almost road ready !!!

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Old 06-18-2003, 11:10 AM   #10
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I have a similar question about wheel wells,
After replacing old tires on my 72 27' international with Goodyear trailer 225's my door side wheel well has worn thru by the wheel rubbing against it.

The other side is tight too but does not rub.

It looks like the side that has rubbed is bowed out a bit while the other side is not.

Any suggestions on resolving.
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Old 12-05-2006, 02:05 PM   #11
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Same problem

Quote:
Originally Posted by loechli
I have a similar question about wheel wells,
After replacing old tires on my 72 27' international with Goodyear trailer 225's my door side wheel well has worn thru by the wheel rubbing against it.

The other side is tight too but does not rub.

It looks like the side that has rubbed is bowed out a bit while the other side is not.

Any suggestions on resolving.

I have a 71 overlander with the same condition. The plastic seems to have warped and cracked and is now affecting the shape of the wheelopening/body. I'm going to try Andy's repair and install some heavier material to stiffen the edges.
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Old 12-05-2006, 06:34 PM   #12
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Quote:
Originally Posted by robertsonmd
I have a 71 overlander with the same condition. The plastic seems to have warped and cracked and is now affecting the shape of the wheelopening/body. I'm going to try Andy's repair and install some heavier material to stiffen the edges.
Some of the early 70's trailers had a frame that was pushed to one side, because of the method of construction.

Adding an oversize tire will usually result in rubbing a hole in one of the wheel wells.

Your lucky, as that rubbing tire could also set the plastic on fire.

Next item to check is the axles. If the axles are shot, the tires can wear holes in the top of the wheel wells, something not easily seem.

Exterior wheel wheels can easily be repaired by plating the hole with aluminum that has been pop riveted in place, followed by several coats of underseal on top of it.

It is not wise to increase the width of the tires beyond 225's but still being aware that they may touch the wheel wells.

Replacing an exterior or interior wheel well takes many many hours, starting with furniture removal.

Andy
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Old 12-05-2006, 08:14 PM   #13
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Quote:
Originally Posted by Chas
Has anyone found a good product to seal up cracks in their plastic wheelwells? My Overlander has a couple of 3 inch cracks, probably caused by unbalanced running gear but that is a entirely different discussion!! It needs to be something that will stick to the plastic and be able to flex a bit. I was thinking maybe some Plumber's Goop, a horribly sticky, flexible almost non-removable substance. Any other ideas?

Chas
Andy's fix should work. I have a different method I will be using though, only because I have the inside stripped out. I have total access to the wheel wells and will be covering them in from the inside of the trailer with fiberglass to reinforce them. I figure one layer of woven glass cloth with epoxy resin should do the trick.
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Old 12-05-2006, 08:26 PM   #14
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Quote:
Originally Posted by Janet's Husband
Andy's fix should work. I have a different method I will be using though, only because I have the inside stripped out. I have total access to the wheel wells and will be covering them in from the inside of the trailer with fiberglass to reinforce them. I figure one layer of woven glass cloth with epoxy resin should do the trick.
Gary.

Make it two layers.

Just in case you hit a "BIG" bump.

Andy
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