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Fan shroud "control flaps"
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gintaras
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PostPosted: Mon Jun 25, 2018 11:21 pm    Post subject: Fan shroud "control flaps" Reply with quote

I couldn't find any topics that cover these flaps, I did find a link on ratwell..
http://www.ratwell.com/dotmac/Pictures/Heating/10-FanShroudFlaps.jpg

Does anyone know where I can get these? I am missing one, the larger one..

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


I sent this engine off to someone for a rebuild, and I just didn't think to remove my shroud, and when it came back, that larger flap was missing...
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ivwshane
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PostPosted: Tue Jun 26, 2018 2:10 am    Post subject: Re: Fan shroud "control flaps" Reply with quote

https://www.thesamba.com/vw/classifieds/detail.php?id=1620194

I bought my set from a member here named whip but he doesn't have an ad up right now.

I believe German supply also has these.
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CrRusty
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PostPosted: Tue Jun 26, 2018 2:48 am    Post subject: Re: Fan shroud "control flaps" Reply with quote

Do a search for:



VWC-021-119-263-APR
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SGKent Premium Member
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PostPosted: Tue Jun 26, 2018 6:57 am    Post subject: Re: Fan shroud "control flaps" Reply with quote

Phil makes them. Whip618
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jtauxe Premium Member
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PostPosted: Tue Jun 26, 2018 7:01 am    Post subject: Re: Fan shroud "control flaps" Reply with quote

There was just a thread that mentioned this a couple of months ago. I posted that I had made some from aluminum pie tins, and that someone was making them aftermarket.

https://www.thesamba.com/vw/forum/viewtopic.php?t=700300&highlight=
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hazetguy
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PostPosted: Tue Jun 26, 2018 7:04 am    Post subject: Re: Fan shroud "control flaps" Reply with quote

SGKent wrote:
Phil makes them. Whip618


Who? Link?
sad to say, as I've had good dealings with them in the past, but just not interested in buying them from germansupply.
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gadgetbec
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PostPosted: Sun Mar 22, 2020 11:20 am    Post subject: Re: Fan shroud "control flaps" Reply with quote

I found them online here, although I haven't tried them yet

https://www.csp-shop.com/en/engine/fan-shroud-air-flaps-119-263-021a-29611a.html
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malcolm2
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PostPosted: Mon Mar 23, 2020 7:02 am    Post subject: Re: Fan shroud "control flaps" Reply with quote

IIRC there is a seal of some kind, maybe foam that sits on the edge.

I do remember that it is easy to pinch them between the fan housing and the heater box, so assemble everything and then make sure them open.... Very Happy
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Wildthings
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PostPosted: Mon Mar 23, 2020 11:30 am    Post subject: Re: Fan shroud "control flaps" Reply with quote

When working correctly these check valves only come into play when the engine is not running, when the engine is running the valves are open and provide no function and might as well not be there. When not working correctly which is all too common they can block the fan shroud outlet(s) or break off and block the inlet into the heat exchangers.
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Bugster78
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PostPosted: Tue Dec 13, 2022 2:54 pm    Post subject: Re: Fan shroud "control flaps" Reply with quote

Can anyone provide the dimensions of these flaps so I can make my own??
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ev_vw_dreams
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PostPosted: Tue Dec 13, 2022 3:57 pm    Post subject: Re: Fan shroud "control flaps" Reply with quote

I got a pair used from Ken at Busco. Reasonably priced
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PostPosted: Tue Dec 13, 2022 4:07 pm    Post subject: Re: Fan shroud "control flaps" Reply with quote

Bugster78 wrote:
Can anyone provide the dimensions of these flaps so I can make my own??
you really need a sample as it more than a simple set of bends. I believe that Phil made a die that he had them made with, then he sold a bunch 10 years ago or so.

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


Ones Phil made about 2008
Image may have been reduced in size. Click image to view fullscreen.

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sebgi1
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PostPosted: Tue Dec 13, 2022 4:49 pm    Post subject: Re: Fan shroud "control flaps" Reply with quote

I made mine with a 1/8 Masonite sample: cut a square hole about the dimensions you need and a piece to press in about maybe 1/16 inch less all around.
Put your aluminium tin between the two templates and press them with a c-clamp an a backing block. Keep some material all around to roll the hinges then cut to size.

Couples tries to make the right dimensions based on the flap end on the shroud.

Beer can or other small aluminium containers should do it.

I made mine with insulation tin from old heater boxes.
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Willin
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PostPosted: Wed Dec 14, 2022 8:34 am    Post subject: Re: Fan shroud "control flaps" Reply with quote

I made mine from a license plate. I had old, broken ones for pattern. Mine are flat. Used my shop vac. to make sure they operate. Suck, or blow, from one side of shroud, then the other. You can hear them slap open or closed. Read here recently the foam seal was more to keep them from rattling. I didn't use any seal, but I imagine just a thin layer of silicone would work.
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Bleyseng
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PostPosted: Wed Dec 14, 2022 10:12 am    Post subject: Re: Fan shroud "control flaps" Reply with quote

You can buy them here:https://914rubber.com/pressed-air-intake-flaps-wfoam-1

They were installed to stop the aux fans from blowing air into the fan housing at idle so you blow the air from the aux fan through the heat exchangers for heat/defrost. Yes, they did have a small foam seal on the edges originally to make a seal. $35 is pretty cheap for a nice set that work correctly.
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