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176 Posts
Discussion Starter #1
99 f250 steering and brake are weak until i rev. the motor. i have to power into turns an the brake pedal goes about half way down b4 it gets stiff. would this be a break booster , or vacuum pump issue ? thanks for any suggestions .
 

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super tuner
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164 Posts
the powersteering pump runs the vacuum for the brakes so if you have weak PS and weak brakes then you probably need a powersteering pump,or you can simply flush the system with some ATF, i havent done it yet but ive heard it helps 110%
 

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Strokin it in your face!
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406 Posts
ummm hydro boost?
 

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Discussion Starter #4
YEA ! I FLUSHED IT TODAY AN IT DIDN'T MAKE A DIFFERENCE, SO NOW IM WONDERING POWER STEERING PUMP? OR HYDRO BOOST?
 

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Discussion Starter #5
ACTUALLY THEY SEEM WORSE
SINCE I FLUSHED IT!?????????????/
 

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Discussion Starter #6
thanks 4 the help guys! it was the power steering pump!
 

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I flushed mine twice and put a new pump in and it didnt help at all
 
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