How the heck do I remove the HPOP?! - Ford Powerstroke Diesel Forum
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post #1 of 14 Old 04-18-2009, 06:57 PM Thread Starter
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How the heck do I remove the HPOP?!

I recently had to swap out the engine of my 2001 E-350.

I have the old engine on a pallet and I have everything off of it down to the core, except for that dang HPOP. I pulled the retaining bolts off, but it's still attached to the gear and I cannot figure out how to get this sucker off of here.

I looked around for instructions on HPOP removal, but everyone seems to say it's pretty easy once you get the surrounding parts out.

Here's what my situation looks like...






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2001 E-350 7.3L PSD
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post #2 of 14 Old 04-18-2009, 07:03 PM
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remove the 2 bolts on the front of the res. above the water pump.

use a 18mm socket and impact to remove the bolt and spacer.

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post #3 of 14 Old 04-18-2009, 07:04 PM
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There are 2 bolts from the back side also. 13mm I think.

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post #4 of 14 Old 04-18-2009, 07:16 PM
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^^ what he said about the impact. Since you have unlimited space, an impact would be perfect.

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post #5 of 14 Old 04-18-2009, 07:26 PM Thread Starter
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By "the bolt and spacer" are you referring to the bolt on the gear pictured above?

I already have the 2 rear bolts out, and pulled 2 bolts out from above the water pump to expose the bolt on the gear. I got an 18mm socket on it, but as I turn the bolt, the whole gear moves (thus turning the crank and pistons), but the bolt isn't coming loose.

The whole HPOP is loose and moves freely rotating around the shaft of that gear... but I can't get it off.

I feel like I'm missing something here...

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post #6 of 14 Old 04-18-2009, 07:27 PM
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Originally Posted by elibenson View Post
^^ what he said about the impact. Since you have unlimited space, an impact would be perfect.

Even in the truck, same removal. 3/8's impact works perfectly.

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post #7 of 14 Old 04-18-2009, 07:28 PM
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Originally Posted by MattMose View Post
By "the bolt and spacer" are you referring to the bolt on the gear pictured above?

I already have the 2 rear bolts out, and pulled 2 bolts out from above the water pump to expose the bolt on the gear. I got an 18mm socket on it, but as I turn the bolt, the whole gear moves (thus turning the crank and pistons), but the bolt isn't coming loose.

The whole HPOP is loose and moves freely rotating around the shaft of that gear... but I can't get it off.

I feel like I'm missing something here...
Right. There isn't any pressure on teh pump now. Use a air impact gun. It will come right off.

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post #8 of 14 Old 04-19-2009, 05:13 AM
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Even in the truck it rotated the engine when taking it off on my truck!!!!!

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post #9 of 14 Old 04-19-2009, 05:19 AM
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Put a socket and breaker bar on the crank pulley. That will hold it in place. Then using the impact remove the bolt that holds the gear to the HPOP.


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post #10 of 14 Old 04-19-2009, 07:06 AM
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