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Hydroboost fluid capacity

4x4man514

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Bronco Guru
Joined
Aug 28, 2003
Messages
1,069
Loc.
Augusta,Georgia
Can anyone tell me approximately how much fluid a wh moab hydro boost system with a cooler should take? I'm bleeding mine now and have used about 1 1/4 quarts so far. Just trying to get an idea if I'm close. Thanks yall!
 

rocknhorse76

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Bronco owner since 1993 💪🏻
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Jun 7, 2014
Messages
376
Loc.
Central WA
Depends on what else you have plumbed into your power steering system. Mine holds a bit over 2 quarts, but I also have a PSC remote reservoir pump and ram assist.
 
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4x4man514

4x4man514

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Aug 28, 2003
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Loc.
Augusta,Georgia
Thanks that at least gives me something to compare to. Im simply running a saginaw pump and cooler. No ram or remote. I imagine I might be about full at 1.5 qts
 
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4x4man514

4x4man514

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Aug 28, 2003
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Augusta,Georgia
Well I've been cycling the steering back and forth plus pumping the brakes for several weeks now. I haven't seen any bubbles in a while. Do yall think 1.5 qts was enough to fill it?
 

rocknhorse76

Contributor
Bronco owner since 1993 💪🏻
Joined
Jun 7, 2014
Messages
376
Loc.
Central WA
Well I've been cycling the steering back and forth plus pumping the brakes for several weeks now. I haven't seen any bubbles in a while. Do yall think 1.5 qts was enough to fill it?
You’re probably good to go. Run it and keep an eye on the fluid level.
 
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