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Old Dec 26, 2009 | 03:25 PM
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snicrep
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power steering

2004 550 super duty 6.0 diesel used as a fire brush truck
steering and brakes lost all power, replaced pump and hydro boost, bled as per procedure worked for a couple of months then all went bad again, replaced pump, worked for a few days then went bad again. Replaced hydro again and no change. Checked to see if all lines are clear they were cooler is ok. getting pressure in and out of the hydroboost. run out of ideas checked everything except the steering box. Anyone have any ideas? thanks george p
 
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