944Hybrids: 924/944/968 and 928 V8 Conversions
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HOW TO DO AN ADVANCED SEARCH.

Mon Jul 08, 2013 3:56 pm by Admin


For the benefit of 944Hybrids users there are two search functions available for you to use.
The purpose of this sticky is to explain the "Advanced Search" function because it is much more powerful and is the best choice when researching information.

When you log on to the site a list of options is shown in a line at the top of the page. One option is labelled "Search", use this option (NOT the search box lower down on the right).

After you click on the upper search option, a drop down box appears. At the bottom of this box is a radio button marked "Advanced …

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Hydro boost leak and trouble bleeding???

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Hydro boost leak and trouble bleeding???  Empty Hydro boost leak and trouble bleeding???

Post  Coloberg Sun Jul 26, 2020 8:01 pm

I’m on my 3rd hydro boost replacement(yeah) and second power steering pump replaced. I’m getting a chattering/pulsing brake pedal coming from my hydro boost. I have vacuum bled it(both from the reservoir and the low pressure port). I’m getting bubbles still from the low pressure return port from the distribution plate/block. I’ve got a uv leak kit coming but still. Has anyone else had problems getting their hydro boost bled and leak free? This is well past ridiculous and annoying. Any help would be appreciated. This is the ford hydroboost(‘04 Mach 1) and Porsche MC.
Thanks,
Mike

Coloberg

Posts : 10
Join date : 2018-09-28

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Hydro boost leak and trouble bleeding???  Empty Re: Hydro boost leak and trouble bleeding???

Post  hickmaster2001 Thu Jul 30, 2020 7:19 am

I have an odd feel to the pedal but no other real issues after ~4 years of track duty.

I have the same setup as you describe and used the Turn One power steering pump.
I just kept the front wheels of the ground on initial start and let it self bleed with the cap removed from the power steering pump until the fluid was clear.

Don't think that helps but maybe furthers the conversation...

-Mike

hickmaster2001

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Hydro boost leak and trouble bleeding???  Empty Re: Hydro boost leak and trouble bleeding???

Post  v8carreragts Sat Aug 01, 2020 6:40 pm

You don't say what hydroboost you have. I have a BMW hydroboost with an 80's Chevy Citation pump with the pressure dropped slightly. I haven't had any issues with it in 5 years.
v8carreragts
v8carreragts

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Age : 64
Location : Tucson, AZ

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