FAILED PUMP TORN DOWN PIC HEAVY! - Ford Powerstroke Diesel Forum
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  #1  
Old 06-06-2013, 03:29 PM
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FAILED PUMP TORN DOWN PIC HEAVY!

OK got a 04 in today with a no start. had low icp code so first thing I did was trusty dusty air test. this was late 04 so icp is on pass side valve cover. Applied shop air and put ipr at 94% and heard no air leaks at all. So I dropped ipr to 0% and heard it exhaust so I ramped up ipr to 94% in stages and could not get it to close. Pulled ipr and there was no screen GONE! Looked inside ipr hole with bore scope and empty no screen? Installed new ipr and redid air test this time it followed commands! Tried to start and nothing ipr at 85% and no fire in the holes!! Redid air test and nothing no air heard so I remove oil filter cap and gurgle gurgle HUMM there ya go!! So this time I really want to know whats going on inside the pump!!! What is going bad! This is what I found. Pics will be in order of how I took it apart! notice the clip impressions in back of pump plate!















AND THIS IS HOW THE AIR PASSES FROM HIGH PRESSURE OIL SIDE TO LOW PRESSURE



THIS IS A GOOD ONE



THIS IS THE LAY OUT NOTICE OFFSET



Call me anal but I like to know what fails and understand why it fails rather than just replace things because there bad! I hope you guys and gals like this!

Last edited by JUGERNAUT; 06-06-2013 at 03:32 PM.
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Old 06-06-2013, 03:40 PM
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Nice Dale. Can you rebuild that pump?

Oh yeah you said input welcome in that one pic. Well my input is wear surgical gloves or clean under your nails. LMAO. I know I know it is impossible to keep your Delta Bravo's clean when working on vehicles. Just giving you chit.
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Old 06-06-2013, 03:41 PM
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Quote:
Originally Posted by Tuscany View Post
Nice Dale. Can you rebuild that pump?

Oh yeah you said input welcome in that one pic. Well my input is wear surgical gloves or clean under your nails. LMAO. I know I know it is impossible to keep your Delta Bravo's clean when working on vehicles. Just giving you chit.
lmfao got me again!!!
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Old 06-06-2013, 05:43 PM
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Originally Posted by JUGERNAUT View Post
Call me anal but I like to know what fails and understand why it fails rather than just replace things because there bad! I hope you guys and gals like this!
I like it I wanted to do this with the last one I had as well but boss wanted to core charge back so no go. I have always wondered what they looked like inside. Also are there rebuild kits avalible? I would think someone has to have somthing for these with the companys that rebuild and modify the pumps. I would like to get my hands on a rebuild kit and try it.
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Old 06-06-2013, 06:08 PM
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Great work dale. Very detailed buddy thumbs up.
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Old 06-06-2013, 06:19 PM
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Originally Posted by toren302 View Post
I like it I wanted to do this with the last one I had as well but boss wanted to core charge back so no go. I have always wondered what they looked like inside. Also are there rebuild kits avalible? I would think someone has to have somthing for these with the companys that rebuild and modify the pumps. I would like to get my hands on a rebuild kit and try it.
I would imagine there are but the peace that is bad is part of the whole housing so it is wasted! This is a core and will go back in peace's lol.
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Old 06-06-2013, 06:20 PM
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Great work dale. Very detailed buddy thumbs up.
Thanks Greg curiosity kills me not the cat!
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Old 06-06-2013, 06:30 PM
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Mine looked the same on the inside just not that much scoring around the plungers. It would only build 1500 psi before the ipr would climb. Hell the guy at ford asked me if I took it apart I said yes they know me way to well not to tear stuff apart.
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Old 06-06-2013, 06:42 PM
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I have an 04 E350 late model and the HPOP went in Dec. The outer cylinder of the compression head(my words because I have no idea what that part is called) seem to rotate during a failure. I wondered why there is no key way to prevent that item from turning. There must be a lot of torque when it is at pressure. Six months before the failure I had started running my SCT a little harder. Also I had lost pressure in OCT because of the housing port ball had been pushed out. The mod I did to fix the ball from coming out was to tap the hole and put a brass plug in it. All that being said I though I caused the over pressure that caused the "compression head) to rotate. After seeing the exact same failure in your pics I am now sure it is something different.
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Old 06-06-2013, 06:44 PM
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One other note that I have a question on, what happens to the alloy that is ripped off of that pump. I think it is what causes the damage you label as from cavitation. Then all that metal is sent tot he injectors.
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