911! HPOP on a 7.3- All hands on deck! - Ford Powerstroke Diesel Forum
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Old 03-26-2008, 04:02 PM
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911! HPOP on a 7.3- All hands on deck!

Ok, I thought I had an issue with the IPR or HPOP. Turns out, the 17* I bought blew the oring between the line fitting and the HPOP.

But before I knew that, I got a new IPR and HPOP and started tearing it down today. I have everything apart except the 18mm bolt that holds the gear to the pump. When I loosen the bolt, the bolt just turns the pump backwards.

I spoke with Marc today and he suggested that I loosen the rear bolts and pry the pump back a bit to put pressure on the pump. That didn't work. My question is this;

Is there a way to lock up the HPOP to remove the bolt??????

I tried replacing the oring and putting everything back together, but even the new oring just blew out. It seems this pump as seen better days, I think the fitting is stripped.

I've never had this problem before and no one else has seen this either. I need to get the truck running ASAP.
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Old 03-26-2008, 04:07 PM
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Hmm isn't the hpop gear driven off the cam? Wouldn't the engine compression stop the pump from turning? Wild guess on my part
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Old 03-26-2008, 04:08 PM
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Originally Posted by vitalidle View Post
Hmm isn't the hpop gear driven off the cam? Wouldn't the engine compression stop the pump from turning? Wild guess on my part
The gear stays put. The bolt is passing through the gear to the hpop.
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Old 03-26-2008, 04:08 PM
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Wedge a socket between the gear and the hpop housing.
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Old 03-26-2008, 04:09 PM
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Quote:
Originally Posted by dirk0 View Post
Is there a way to lock up the HPOP to remove the bolt??????

I tried replacing the oring and putting everything back together, but even the new oring just blew out. It seems this pump as seen better days, I think the fitting is stripped.

I've never had this problem before and no one else has seen this either. I need to get the truck running ASAP.
I have a question. Can you access the flywheel easily??? And if so the only thing that comes to mind right now is to get someone to take a long prybar and wedge it between something and the starter ring and hold it there while you attempt to loosen the HPOP bolt. or put some bolts in the dampner and put a bar inbetween the bolts and hold it there while you're attempting to loosen the bolt. Lemme know if this works????
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Old 03-26-2008, 04:12 PM
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Originally Posted by OverFueled's_08_Fx4 View Post
I have a question. Can you access the flywheel easily??? And if so the only thing that comes to mind right now is to get someone to take a long prybar and wedge it between something and the starter ring and hold it there while you attempt to loosen the HPOP bolt. or put some bolts in the dampner and put a bar inbetween the bolts and hold it there while you're attempting to loosen the bolt. Lemme know if this works????

The gear does not move, nor does the engine. This is the bolt that passes through the gear, that holds it to the HPOP.
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Old 03-26-2008, 04:15 PM
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Yeah now I can see why your stuck! Hmm I don't know other then what marc said and try to put pressure on the gear someway.
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Old 03-26-2008, 04:20 PM
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Originally Posted by vitalidle View Post
Yeah now I can see why your stuck! Hmm I don't know other then what marc said and try to put pressure on the gear someway.
Exactly.


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Old 03-26-2008, 04:32 PM
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I just to the Bob Riley at Dieselsite. He said the loctite is causing this problem. I will have to remove the reservoir and clamp down on the shaft with a channel lock.

Any other ideas, bring 'em on.
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Old 03-26-2008, 04:40 PM
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Originally Posted by dirk0 View Post
I just to the Bob Riley at Dieselsite. He said the loctite is causing this problem. I will have to remove the reservoir and clamp down on the shaft with a channel lock.

Any other ideas, bring 'em on.
The more I think about this, the more I don't know if it will work. I don't remember that much room there.
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