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Waterproofing the idle control module?
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fortheloveofvdub
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PostPosted: Fri Dec 21, 2018 12:01 pm    Post subject: Waterproofing the idle control module? Reply with quote

'86 2.1. I tried to search but could not find the posts that I remember. Others had made some sort of box to mount the idle control module in. This was contiguous with its mounting and allowed for the "waterproofing" of the idle control module. I don't want it to get wet again. I've been hanging around here a long time and that was probably a dozen years ago. Has anybody done this or recall who did please? I remember excellent pictures.
Thanks, Jeremy (Goldie the weekender)
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djkeev
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PostPosted: Fri Dec 21, 2018 2:17 pm    Post subject: Re: Waterproofing the idle control module? Reply with quote

I did!

At Home depot you can get water proof boxes for storage.
These are in the tool section with tool boxes, tool,bags, etc.
black with a clear top.

I filed a hole the size of the wires on the edge of the lid, I put the relay into the box and used a dab of Dum Dum to seal the hole where the wires passed through.

You can leave it in the dark hole but the wires are long enough to place the box against the rear of the engine area near the power steering filter/fluid reservoir.

Not sure I have a photo, I'll see what I can find.


Dave
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djkeev
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PostPosted: Fri Dec 21, 2018 3:03 pm    Post subject: Re: Waterproofing the idle control module? Reply with quote

Image may have been reduced in size. Click image to view fullscreen.

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Ghia
http://www.thesamba.com/vw/forum/viewtopic.php?t=392473

Vanagon
http://www.thesamba.com/vw/forum/viewtopic.php?p=6315537#6315537

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https://www.thesamba.com/vw/forum/viewtopic.php?t=482968&highlight=74+super+vert
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fortheloveofvdub
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PostPosted: Fri Dec 21, 2018 6:11 pm    Post subject: Re: Waterproofing the idle control module? Reply with quote

Perfect! Thanks for your thoughts. I thought about putting it in engine bay as well. It got me thinking why they put it back in the hole in the first place. I wondered if it was a temperature thing. But if it's working for you it'll work for me
Thanks again.
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djkeev
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PostPosted: Fri Dec 21, 2018 6:20 pm    Post subject: Re: Waterproofing the idle control module? Reply with quote

Van is currently in Oregon, almost 30,000 miles traveled across the Country several times in Very hellish hot (100° + F) to frighteningly cold (-9°f) with no problems.

Dave
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DanHoug
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PostPosted: Fri Dec 21, 2018 6:31 pm    Post subject: Re: Waterproofing the idle control module? Reply with quote

in a sense, you don't want true waterproofing... unless the box is completely atmospherically sealed, any inevitable water entrance remains, creating a humid, corrosive environment.

a box, such as Dave made is great as it provides complete splash protection. have the wires enter through the BOTTOM always, and don't make those entrances too tight. you want water to be able to drip away along with some air relflux to dry the case interior.

clean the pins and socket VERY well with copious amounts of water to rinse conductive and corrosive contaminants away eg road salt and grime. dry them and treat them with silicone spray, Caig Labs PreserveIT, LPS Rust Inhibitor, etc and then tuck it away in the box.
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