Power steering noise, turn/braking? - Ford Powerstroke Diesel Forum
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Old 01-13-2014, 01:46 PM
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Power steering noise, turn/braking?

Hey guys,

So I noticed lately that when I first warm the truck up and start to drive out of the neighborhood, I will turn and hear a whine. It's not consistant just a one time almost high pitch WOMP when I turn and then it stops. Also, it varies in loudness and does not always do it when I turn. It also happens sometimes when I brake as well sometimes but not as bad or as loud. Is this the power steering? I feel as it is but I do not know what the issue is. I have read that maybe I need a new pump? I replaced one of the power steering lines (very easy) a few months ago as I had a leak but have not had any issues until now. I will also like to add that there is trans fluid my mechanic put in there but It has been in there for almost 3 months and am now just having this issue. If you all could help me out because I truly have no idea but feel it is a simple fix I hope. Thanks in advance
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Old 05-10-2015, 10:50 PM
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I've been told its the hydroboost. Bout 130ish to replace, not including labor. Mine does it on hard braking and most turns. Sounds like power steering is going out but the pump is good and has fluid. That's just what I was told though, I never fixed it
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Old 05-10-2015, 11:44 PM
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Just flush it first. There are vids on YouTube that show how. Pretty easy process. It made a world of difference on mine.
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Old 05-11-2015, 07:37 PM
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synthetic atf works even better.

the clunk is probably from the drag link needing grease or its worn out
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