Power steering noise, turn/braking? - Ford Powerstroke Diesel Forum
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Old 01-13-2014, 02:49 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 01-13-2014, 03:21 PM
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Well first off. The power steering uses atf. So trans fluid in there is right.
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Old 01-13-2014, 03:30 PM
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Try flushing it I did it to mine with mercron atf when I did the trans because it was whining/feel it in the steering wheel.

Since I flushed mine its been quite and the brake pedal firmer.
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Old 01-13-2014, 03:31 PM
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Quote:
Originally Posted by kbragg430 View Post
Well first off. The power steering uses atf. So trans fluid in there is right.

Ok...well then what could be the issue. Should I put a synthetic in it? could it be the pump?.
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Old 01-13-2014, 03:32 PM
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Quote:
Originally Posted by alaskan155 View Post
Try flushing it I did it to mine with mercron atf when I did the trans because it was whining/feel it in the steering wheel.

Since I flushed mine its been quite and the brake pedal firmer.

Ok great. Yea my steering wheel whines as well when I turn. If its not the fluid could it be the pump? Just curious as I dont want to have to keep going back and forth on the forum and get my ducks in a row
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Old 01-13-2014, 03:33 PM
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I havent had any issues with mine but have some extra mobil 1 atf that ive been looking to flush it with
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Old 01-13-2014, 03:51 PM
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How bad is it?can you feel it threw the steering wheel? This pumps are naturally whiny, its the same pump my 88 bronco has and alot of people upgrade it to the older saginaw pump because of the whining
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Old 01-13-2014, 04:20 PM
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Quote:
Originally Posted by alaskan155 View Post
How bad is it?can you feel it threw the steering wheel? This pumps are naturally whiny, its the same pump my 88 bronco has and alot of people upgrade it to the older saginaw pump because of the whining
After I first fixed the line it would rarely wine. But ever sense i have heard this noise yes it will whine most of the time through the steering wheel. Especially when I first start up.
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Old 01-13-2014, 07:04 PM
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Have you tried bleeding all of the air out of the system? By jacking up the front end, pulling the cap off of the ps reservoir, and repeatedly turning the wheel from lock to lock upwards of 50 times (with the truck running) you should have no air whatsoever left in your system. This was the biggest improvement I made in my power steering. It is better now than when I bought the truck. Just a suggestion.
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