carb air horn gasket

1941 - 1945, MB, GPW Technical questions and discussions, regarding anything related to the WWII jeep.
101son
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carb air horn gasket

Post by 101son » Sat Nov 11, 2017 12:55 pm

It does not fit. TOOOOOO tight. The air horn itself without the gasket fits great over the carter carb.Was this on all willys and gpw? Is my air horn screwed up or made in china? I thought it was original but maybe not. Any clarity on this? Thanks in advance-


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dpcd67
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Re: carb air horn gasket

Post by dpcd67 » Sat Nov 11, 2017 5:25 pm

The ones I have are very tight; both makes are the same. Make sure the rubber is warm before you install it. I have cut the square slot bigger but be careful if you try that.
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Re: carb air horn gasket

Post by Daren » Sun Nov 12, 2017 7:17 am

I had problems with fitting the horn onto the carb with the gasket in place until it was pointed out that the rubber gasket goes on the outside of the air horn. Could this be the issue you are experiencing? As far as I have been told the rubber goes on the outside between the horn and the hose clamp then the rubber lip flips over the ridge to protect from water ingress
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101son
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Re: carb air horn gasket

Post by 101son » Sun Nov 12, 2017 11:33 am

Thanks, this helps! so the flared side to the top side of the horn and the end with the cutout to the bottom? Which direction does the cutout face?

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Re: carb air horn gasket

Post by dpcd67 » Mon Nov 13, 2017 8:01 am

The cut out goes against the carb toward the accelerator pump square part of it, which it is why it is cut out to begin with. Look in Jeep Draw; they have pictures of it.
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Re: carb air horn gasket

Post by YLG80 » Mon Nov 13, 2017 8:59 am

I had also a problem to figure out how to assemble that gasket.
Here are a few pictures to show the assembly

1- Position the gasket on the horn like this:
CARB_RUBBER_GASKET_1.JPG
CARB_RUBBER_GASKET_1.JPG (125.54 KiB) Viewed 1661 times
2- Fold the gasket on itself in order to facilitate the horn insertion into the carb
CARB_RUBBER_GASKET_2.JPG
CARB_RUBBER_GASKET_2.JPG (127.29 KiB) Viewed 1661 times
3- Unfold the gasket and adjust it if necessary.
CARB_RUBBER_GASKET_3.JPG
CARB_RUBBER_GASKET_3.JPG (188.78 KiB) Viewed 1661 times
That's it.
Yves
Ford GPW 1943 - Louisville - DoD 12-7-43
serial 164794

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Re: carb air horn gasket

Post by 101son » Mon Nov 13, 2017 3:32 pm

THANKS!

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Re: carb air horn gasket

Post by Ian Fawbert » Mon Nov 13, 2017 7:23 pm

Yves,

Did you know your carb air horn is an early one (see the welded disc on top of it?)- correct for the pancake air filter jeeps. I only say this as i saw in your signature GPW 164794, which is well after these air horns were factory issued.

Not nitpicking your jeep, more just pointing it out incase you didnt know. It is quite valuable, well above a regular air horn.

Thanks for the tips on the gasket too- great and helpful pictures.

Cheers,
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Re: carb air horn gasket

Post by YLG80 » Mon Nov 13, 2017 11:27 pm

Hello Ian,
Thank you for your information. No, I didn't know :P .
I've checked the horn, and you are right. I did not remark that patched hole on top of the horn.

My jeep is in the family since 1957 and it was acquired as an Agri-jeep.
I believe that the jeep was saved from a wreckage yard after WWII.
There are traces of severe damages repair on the tub (below the driver :) !) and the chassis.
Like with most of the jeeps in Europe, she has been rebuilt mixing many parts.
Fortunately most of the parts are still original as the jeep did not get to a rebuild shop.
The radiator is coming from a Ford GPA :D !
The engine is a GPW rebuilt engine with an original date of July 1942!
The front bumper is likely the MB type with no holes.
The very good 6V Delco regulator was coming from a CCKW or DUKW. (now replaced with an original Auto-lite model)
Now the carb air horn early model.

I've no religion regarding the parts date vs the jeep manufacturing date, just because it would not be normal to find a WWII jeep in its original state in Europe.
But that's only my own opinion :wink: .
I would even trade these odd parts (not the engine though) but only with original WWII parts.
I've had too many problems with repro parts that I hate them and I prefer to restore each original part even if it takes a lot of time.

Thank you for pointing out that particularity.
Yves
Ford GPW 1943 - Louisville - DoD 12-7-43
serial 164794

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Rod
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Re: carb air horn gasket

Post by Rod » Tue Nov 14, 2017 9:49 am

Yves,

I have an original "F" marked WWII air horn that I would trade you for your air horn if it is also "F" marked.

I have GPW serial number 885 and need that air horn.

Let me know.
Last edited by Rod on Tue Nov 14, 2017 12:32 pm, edited 1 time in total.
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Re: carb air horn gasket

Post by jeepfinger » Tue Nov 14, 2017 12:29 pm

101son wrote:
Sat Nov 11, 2017 12:55 pm
Was this on all willys and gpw?
I have always believed that this seal was just a Willys thing, but of course I may be wrong :roll:
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GPW 41158 June 19 1942
Bantam T3 9555 1/11/1943 USA 0258448
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Michael O.
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Re: carb air horn gasket

Post by Michael O. » Tue Nov 14, 2017 1:38 pm

I believe when Ford switched from using rubber grommets to the felt grommets on the firewall the carb air horn seal was switched to felt (and the addition of a clamp) also.
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YLG80
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Re: carb air horn gasket

Post by YLG80 » Tue Nov 14, 2017 11:30 pm

Hello Rod,
Unfortunately my early air horn is not F-marked.
Yves
Ford GPW 1943 - Louisville - DoD 12-7-43
serial 164794

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Re: carb air horn gasket

Post by jeepfinger » Wed Nov 15, 2017 10:53 am

Michael O. wrote:
Tue Nov 14, 2017 1:38 pm
I believe when Ford switched from using rubber grommets to the felt grommets on the firewall the carb air horn seal was switched to felt (and the addition of a clamp) also
Michael,
I thought that was for the CO tube to air horn? I haven't had a seal on my air horn to carb :roll: just a clamp.
Dave Boocock
GPW 41158 June 19 1942
Bantam T3 9555 1/11/1943 USA 0258448
BSA WDM20 Sept 1940 C4343114

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Re: carb air horn gasket

Post by Michael O. » Wed Nov 15, 2017 11:03 am

Brain fart......you are correct...I should have read the post more carefully and now I can see the photos now that I’m using a different device!
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