Replaced power steering pump but still whining.. - Ford Powerstroke Diesel Forum
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Old 12-16-2012, 05:43 PM
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Replaced power steering pump but still whining..

What should I do next? Should I completely drain the system and replace all with synthetic fluid? or is there another trick I can try...
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Old 12-16-2012, 05:56 PM
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I think I've heard of others having a whine but it going away after some use and just making sure the fluid level is up.
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Old 12-16-2012, 07:51 PM
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I just purged and purged until I had clean fluid coming out. It still had a little whine for a bit but it worked the air out after a while.


Sent from my iPhone using AutoGuide.com App
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Old 12-16-2012, 07:55 PM
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Last pump I replaced, I pinched off the vent line from the hydro boost to the pump res, and just let it idle and cycled the steering. Do not push on the brakes. It will make a mess. Lol.

No whine at all after that.

sent from phone
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Old 12-17-2012, 01:31 PM
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I had to replace the pressure hose to the powersteering pump after the shock mount rubbed a hole in it, it took a few days for the whining to go away
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Old 12-17-2012, 05:20 PM
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Ok, well I will flush the system as soon as I can.. my job has been pretty demanding lately. I will post my end results after I do the flush. Thanks guys
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Old 12-18-2012, 03:09 PM
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Mine's noisy as heck. I just thought it was a Ford thing. ???
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Old 12-18-2012, 04:45 PM
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I had an 01 7.3 before the 99' I have now and it wasn't noisy at all... So it's not all of them.. : /...
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