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Old 08-13-2014, 11:10 AM
4drf350 4drf350 is offline
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Hydro boost brakes

Hi Everyone I have a 1967 bronco an I put hydro boost an disc brakes on it an a ford power steering pump . So when I turn off my motor almost all the fluid comes up an out of the power steering pump . Does any one know why that is .
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Old 08-14-2014, 05:07 PM
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DW SD DW SD is offline
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DW SD is gaining momentum as a positive member of FTE.DW SD is gaining momentum as a positive member of FTE.
sounds like the accumulator is pushing fluid back out.
Is it a new hydroboost?
Does it work properly when the engine is running?

Doug
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Old 08-14-2014, 05:25 PM
4drf350 4drf350 is offline
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Yea it works good . I even changed the hydro unit an it does the same thing . Not sure how to fix it . I am thinking it might be the ps .
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Old 08-14-2014, 05:32 PM
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DW SD DW SD is offline
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DW SD is gaining momentum as a positive member of FTE.DW SD is gaining momentum as a positive member of FTE.
1. I wonder if the pump should have a check valve that might be missing?

2. Or perhaps the pedal doesn't return 100% to close the inlet valve from the PS pump. In my setup, I have a threaded pushrod. Are you sure the pushrod is adjusted properly?

If I listen closely, I can hear fluid flowing once the pushrod comes off of the closed position.
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Old 08-14-2014, 05:37 PM
4drf350 4drf350 is offline
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I am thinking I might put on a power brake from an newer bronco .
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Old 08-14-2014, 05:45 PM
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DW SD DW SD is offline
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DW SD is gaining momentum as a positive member of FTE.DW SD is gaining momentum as a positive member of FTE.
I'd try a newer pump first.
The hydroboost offers great stopping power and firm pedal. I up-sized my master cylinder by one size and love the feel (very short throw).

Doug
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Old 08-14-2014, 05:45 PM
 
 
 
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