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-   -   Horn repair? (https://forums.turbobricks.com/showthread.php?t=362910)

2 old for this 11-25-2021 09:16 PM

Horn repair?
 
Any one have any luck in bringing old Bosch horns back to life? They are the round type on a 444. Any trouble shoot advice?

VolvoLatAm 11-25-2021 10:34 PM

horns are $16-40 bucks or so new, add a relay and they are 3x as loud as from the factory--at least mine are. Would not recommend trying to bring old horn tech back to life. You have many (hella) electronic horn options on Amazon

alschnertz 11-25-2021 11:48 PM

I was able to disassemble, clean and reassemble the original 6V horns on my 544 easily.
There's nothing to them.
I think I had to tweek the adjustment screw a tiny bit.

The horn sounded great when done.

spock345 11-26-2021 01:47 AM

Quote:

Originally Posted by VolvoLatAm (Post 6233858)
horns are $16-40 bucks or so new, add a relay and they are 3x as loud as from the factory--at least mine are. Would not recommend trying to bring old horn tech back to life. You have many (hella) electronic horn options on Amazon

I think the difficulty may be that the old horns on a 444 are 6 volt. So it may be worth it to refurbish them.

planetman 11-26-2021 02:33 PM

If original, definitely 6v horns.

I've seen some videos on Google showing early Bosch horns being taken apart and cleaned, but we have never tried.

FYI, if needed, the original rubber mounting grommets are still available.

dl242gt 11-26-2021 03:59 PM

They used to sell rebuild kits for the Porsche 356 round horn sets at Stoddard a Porsche dealer with a focus on the classic Porsches. I used to get their paper catalogs and shop for my parts there. Those cars were six volt systems, too.

2 old for this 11-26-2021 08:26 PM

Thanks for all the tips. Autopsy is required.

2 old for this 11-27-2021 08:20 PM

The military teaches if something doesn’t work give it a whack. Both came to life.

dl242gt 11-27-2021 11:11 PM

Well done!


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