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Sprinter RV's & Conversions Talk Common features found in Sprinter RV's and Conversions.


 
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Old 06-04-2019, 05:12 AM   #11
hein
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Default Re: easy fix for water leaks on side body panels

This is a great idea. Only issue is that the 2117 is a rubber extrusion that is not UV resistant. The folks at 8020 suggested 2178 because it is made of silicon. But it does not contain UV inhibitors either. Hopefully someone will find a suitable UV stable extrusion. I used some clear Proflex RV sealant to seal the top edge of the trim around our Airstream trailer. Maybe that would work for this application.

All the best, Hein DIYvan.com
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Last edited by hein; 06-04-2019 at 05:15 AM.
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Old 06-05-2019, 03:32 PM   #12
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Default Re: easy fix for water leaks on side body panels

I may still seal the clips as suggested, but wanted to admit I was dead wrong on the 80/20 trim. On further review (actually giving it a chance) you can see it works very well and even navigates the curves. Call it a rain deflector. I bought enough for the van and installed on most trim pieces. My hat is off to the guy in the video for sharing and to N. Coast for posting it.
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Old 06-05-2019, 04:10 PM   #13
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Default Re: easy fix for water leaks on side body panels

Quote:
Originally Posted by feynmanfan View Post
I may still seal the clips as suggested, but wanted to admit I was dead wrong on the 80/20 trim. On further review (actually giving it a chance) you can see it works very well and even navigates the curves. Call it a rain deflector. I bought enough for the van and installed on most trim pieces. My hat is off to the guy in the video for sharing and to N. Coast for posting it.
Do you mind sharing your technique for getting it in there? Did you shove it in or use some type of tool? Thanks.
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Old 06-05-2019, 04:58 PM   #14
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Default Re: easy fix for water leaks on side body panels

Sure, here are some tips.
1. The trim is not symmetrical so it matters which way it goes in. The side with the 2 concave features goes out. I tried to show that in the picture attached.

2. I used one of the inexpensive body tools everybody mentions. Amazon for $10.
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

3. The wheel well trim is actually easier than the horizontal runs.

4. After installing the horizontal runs, I "went back over" and pushed the trim in a bit more with the trim tool.

5. I bought 50 feet. Some left but I suggest 50 is best.

I'm pretty happy with the result, I don't see how water can get by the trim. Time will tell as far as exposure to sun, etc . Worst case is I'll redo in a year or whatever if necessary.
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File Type: jpg IMG_0497.jpg (79.1 KB, 138 views)
File Type: jpg IMG_0496.jpg (63.9 KB, 133 views)

Last edited by feynmanfan; 06-05-2019 at 05:05 PM. Reason: added
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Old 06-06-2019, 05:27 AM   #15
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Default Re: easy fix for water leaks on side body panels

I like the Humble channel's videos and I'm a fan of finding new and creative uses for materials designed for a different original purpose.

In this case, I'll ask the dumb question:

Why can't you just put clear caulk around the top groove of the plastic body panels?

I'd imagine that gets the job mostly done. It's not like we are waterproofing the van for deep sea scubadiving. Wouldn't the caulk on the top block most of the water which could have sled behind to reach the plastic clips?
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Old 06-06-2019, 02:57 PM   #16
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Default Re: easy fix for water leaks on side body panels

You could, but it would be really hard to get it to look halfway decent. And the clear caulk isn’t totally clear, so you would always see it, and then it gets dirty, and it’s mostly silicone based so it doesn’t play well with the painted surface, and so on and so on...


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Old 06-06-2019, 03:36 PM   #17
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Default Re: easy fix for water leaks on side body panels

UV resistance.

Marine grade caulk or silicone sealant should be good for that. I have seen decades old squeezed out caulk from under fittings which still was flexible and serviceable.

Is there any draining provided along the bottom of the black trim pieces? Maybe that's not an issue, but rather it's the water running down to the clips and seeping in.

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Old 06-12-2019, 04:53 PM   #18
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Default Re: easy fix for water leaks on side body panels

Have you been able to test the installation (rain or hose) to determine its effectiveness? I'm eager to see if it stops the flow of the water inside (can't imagine it wouldn't). I'm about to correct this situation on my van and am certainly attracted to the simplicity of this.
Thank you!

Quote:
Originally Posted by feynmanfan View Post
Sure, here are some tips.
1. The trim is not symmetrical so it matters which way it goes in. The side with the 2 concave features goes out. I tried to show that in the picture attached.

2. I used one of the inexpensive body tools everybody mentions. Amazon for $10.
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

3. The wheel well trim is actually easier than the horizontal runs.

4. After installing the horizontal runs, I "went back over" and pushed the trim in a bit more with the trim tool.

5. I bought 50 feet. Some left but I suggest 50 is best.

I'm pretty happy with the result, I don't see how water can get by the trim. Time will tell as far as exposure to sun, etc . Worst case is I'll redo in a year or whatever if necessary.
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Old 06-13-2019, 08:18 PM   #19
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Default Re: easy fix for water leaks on side body panels

KDE - Since our van is build out, we can't see any interior places water would show up. It's kinda like the refrigerator light, you are pretty sure it goes out :). If any water makes it's way in from the ends or somewhere, it will just escape the bottom. I added another picture on a horizontal run to give a better idea what it looks like.
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Old 06-18-2019, 03:31 AM   #20
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Default Re: easy fix for water leaks on side body panels

I have a cargo van and have the stock panels off and have been able to see the water that leaks into the interior. I took the van to my local dealer and the van specialist has never heard of this problem before but he was eagerly willing to try to get the situation resolved. I made an appointment with service and after his discussions decided the van was ‘performing as designed’ and indicated that some of the panels needed to be ‘knocked in’ to firm up the attachment. Disappointed, I decided I would fix the situation myself by sealing the clips with RV Proflex caulk.

Then I saw this post. I decided to take the plunge and purchase the 8020 gasket product 2178 and use it to seal the top edge of my sprinter’s body molding. I opted for the Silicone gasket vs rubber assuming it would last longer even without a UV retardant in the formulation.

Last Friday evening I was able to put in one side of the gasket and had good success getting it inserted into the gap however, there were sections where it would not go in as easily due to a protrusion which limited the ability of the gasket to descend into the gap. I decided to create relief by cutting a notch out of the gasket to allow the material to seat evenly along the molding. Without doing this, the gasket material would ‘bump out’ away from the metal. This seemed to be effective in creating an even connection.

Saturday morning, I checked to see if there was leaking from the inside of the van (we had about 4” of rain on Saturday) and it was not. Since the other side of the van is the area that leaks the most, I decided to add the remaining gasket material, in the rain, so that I could see if it would stop the flow. It took less than an hour to install. After many inches of rain, there was no further leakage.

However, I did find out that the magnet that holds the rear doors open when fully opened leaks. Heavy sigh.

So far, I am pleased with the results and may get disappointed in the future if it decays and leaks but it will be easy to rectify since I can easily replicate the process. I’ve asked 8020 for technical formulation info and/or an MSDS to see what I could learn about stability but I haven’t received a reply yet.
Attached Images
File Type: jpg Molding_Leak.jpg (143.9 KB, 87 views)
File Type: jpg Magnet_Leak.jpg (93.8 KB, 84 views)
File Type: jpg Post gasket install.jpg (71.9 KB, 82 views)
File Type: jpg Notched_Gasket.jpg (133.8 KB, 82 views)
File Type: jpg Rain_outside.jpg (92.3 KB, 84 views)
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Last edited by KDE; 06-18-2019 at 03:56 AM. Reason: Upload photos
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