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  #1  
Old 10-28-2013, 03:02 PM
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Power steering pump

Hey y'all, yeah I'm a newbie here...
My rig is pretty stock 96 F350 and developed
A loud knock last Friday. I pinpointed to
the PS pump. By the time I got home slowing
to a stop it sounded like a coffee can full of
marbles. Under power it didn't make the knock.
When I held the pressure hose it was like
the thing was dead heading instead of flowing.
I replaced the pump Saturday and ran it Sat/Sun
All seemed good, until this morning. I have the
same issues u had last week. Could I be getting
contamination from the steering gear; like
Pcs of metal??? Hate to replace another pump
and get same results. Thanks for any ideas
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  #2  
Old 10-28-2013, 05:36 PM
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How did the fluid look in the old pump?

You did refill it with ATF, right?
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Old 10-28-2013, 07:12 PM
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Yes replaced w ATF, old fluid dark red. After looking and listening more this evening I'm leaning more towards a pulley? Heck idk, tomorrow I'll light it off w/o the belt and start from there. At idle it and coming off of the accelerator is when it sounds like a spoon is in the garbage disposal. Increase rpm and it stops. Def coming from front of motor and on the topside. Idk if it's the PS pump....any input is appreciated
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Old 10-28-2013, 07:25 PM
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Are you sure it's not just a weak tensioner spring, and thus the belt flapping?
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Old 10-28-2013, 08:02 PM
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I looked at the tension and thought it strange to hop a bit. I went back through my paperwork and that part replaced before. Can't hurt to change it if it's weak
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Old 10-29-2013, 07:07 PM
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Ok so changed tensioner assembly and all was good until she warmed up, knocking and rattling again. To save me some piece of mind I pulled the belt and fired her up. Same knocking and rattling coming from between alternator and AC comp. chasing what seemed to be a simple issue and now it's internal...any thoughts?
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Old 10-29-2013, 07:33 PM
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HPOP or cam gear

Sent from AutoGuide.com Free App
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Old 10-29-2013, 07:36 PM
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How can I confirm which is the culprit? As stated before only knocks at idle, decelerating. Does not knock accelerating or under load
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Old 11-04-2013, 01:33 AM
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Remove the HPOP gear access cover on the front of the engine. The one that your EBPS bracket is also attached to.

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