Power steering and power brake

1994 CHEVROLET 3500
241,735 MILES • 6.5L • V8 • TURBO • 4WD • AUTOMATIC
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CHRISJ35
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I have a Detroit Diesel engine in my Silverado. There are two hoses or cables running from the power brake into the power steering pump. Are those two hoses supposed to be there?
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Jul 7, 2017 at 3:14 PM
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HMAC300
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That is what is called a hydro boost and is run by the power steering pump. one is supplied power from the pump and other goes to power steering box for power steering. See picture.
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Jul 8, 2017 at 5:58 AM
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CHRISJ35
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So is that why when my power steering went out, my brakes went out too?
Jul 8, 2017 at 8:59 AM
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HMAC300
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If the pump was bad yes, but normally on a hydro boost system there is an accumulator in it to give you one or two hits before they do not have power.
Jul 8, 2017 at 10:26 AM
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CHRISJ35
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Alright thank you, that answered everything I wanted to know!
Jul 8, 2017 at 1:52 PM
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STRAILER
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Please use 2CarPros anytime, we are here to help. Tell a friend please.

Cheers, Ken
Jul 10, 2017 at 12:29 PM