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grinding noise while braking & turning

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Old Nov 9, 2011 | 02:54 PM
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slickcheese
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grinding noise while braking & turning

93 450 super duty with hydro boost
While the truck is stationary, you can hit the brakes, turn the wheels (left or right) & sounds like a grinding noise,kind of like old pads.
I initially had a rear caliper sticking & replaced rubber brake lines. Gravity flush brake lines, I don,t think the fluid had ever been changed.
I noticed a leak, a couple weeks ago appears to be from power steering pump I had been topping it off every few days to prevent it from running dry, untill I GOT TIME TO FIX IT. The leak is slow its hard to tell where its coming from. Does turning the wheel or applying the brakes put pressure on the system, to help me find the leak?
It never made this sound before I started the brake hoses.
any thoughts? I noticed a lot of people has had issue with ball joints, but not sure about that.
 
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