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2005 oil pump problem

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Old Jul 7, 2014 | 12:29 PM
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2005 oil pump problem

I have a 2005 F350 super duty. I had LPOP failure. I have replaced the LPOP gears as well as the front cover and the oil pan gaskets. I have inspected the oil pick up tube and made sure the inlet and outlet were clear.
I used white lithium grease to attempt to prime the new pump, and still cannot get it to pump oil.
What am i missing here? I am open to any suggestions.
 
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Old Jul 7, 2014 | 12:43 PM
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Did you inspect or replace the regulator?

Josh
 
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Old Jul 7, 2014 | 05:53 PM
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What damaged the pump to began with?
Have you tried adding oil to the filter housing?
How long did you crank?
Did you have enugh rpm to build oil pressure?
 
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Old Jul 8, 2014 | 07:11 AM
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The motor has 300,000 miles on it. I have employees who neglected the truck maintenance, and allowed it to go too long between oil changes. I found metal shavings in the pump gears as well as scoring in the pump housing. I did add to the filter housing. I cranked for 30 seconds with full batteries.
I have not changed the regulator yet, but will do so today.
I am not a professional mechanic. I own a construction company, and will need this truck soon.
 
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Old Jul 8, 2014 | 07:38 AM
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It can take 5 tries at 20-30 seconds at a time to bleed the air and fire the engine.

Josh
 
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Old Jul 8, 2014 | 05:40 PM
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As stated above, they can be hard to prime
 
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