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Old 08-18-2019, 06:26 PM   #1
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1977 31' Sovereign
Dorr , Michigan
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1977 Sovereign Brake booster?

Hopefully this is the right section, but i recently purchased a 31' 1977 Sovereign and when i opened the small box on tongue of the trailer right up near the shell i see what looks to be a brake booster. Is that what I am seeing? Given that i am redoing the trailer and may be replacing axles will i need to keep this unit up front? i dont know where to look on here to see what people have done with that system when doing renovations.

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Old 08-18-2019, 06:31 PM   #2
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1992 29' Excella
2010 22' Interstate
Van By The River , Georgia
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Did a previous owner upgrade to disc brakes? Electric/Hydraulic disc brakes require a brake booster - a small electric pump with a built in reservoir. Is that what you're seeing? The booster can be moved to another location but the tongue is a convenient location and relatively easy to access.

I guess there's a chance you have some sort of electric/hydraulic drum brakes but that hardly seems worth the effort to add a hydraulic system and continue using drum brakes.
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Old 08-18-2019, 06:50 PM   #3
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1976 Argosy 28
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Back in the day (mid-70s) vacuum brakes were an option. They required a vacuum connection to the tow vehicle, and I wouldn't want to try to tie into a modern tow vehicle's vacuum system because you'd probably make the computer system angry when pressures weren't what it's programmed to expect.

I believe they were discs... if so (and if the disc system is still installed and working) you could probably convert that to a modern electric/hydraulic disc system. Unless someone else has replaced the axles since that trailer was new, though, you may need new torsion axles anyway, and probably some new parts for things like flex hoses, etc. So, you'd need to decide what kind of brake system you want, etc.
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