Diesel Bombers - HPOP Reservior

Diesel Bombers (https://www.dieselbombers.com/)

- Ford Powerstroke 99-03 7.3L (https://www.dieselbombers.com/ford-powerstroke-99-03-7-3l/)

- - HPOP Reservior (https://www.dieselbombers.com/ford-powerstroke-99-03-7-3l/7815-hpop-reservior.html)

sixpack1

12-24-2007 08:03 AM

HPOP Reservior

Twice now my HPOP reservior has gone empty on me. Truck wouldn't start so I checked it and there was no oil in there. Filled it back up and it started right up. Then two months later same thing happens again. Can anyone tell me whats going on and why? Thanks in advance for any help you can offer.:sos:

Blue01F250

12-24-2007 06:43 PM

I'd bet your LPOP is bad -- I've seen many threads that say the LPOP looses prime and the oil returns to the crank case...draining the HPOP and preventing the truck from starting.

sixpack1

12-26-2007 07:16 AM

Ok, but Blue why does this happen?

Sea97Stroker

12-26-2007 02:10 PM

inside the HPOP res there is a ball and seat that prevents bleedback...i bet you have issues there.

Blue01F250

12-27-2007 01:29 AM

There is a seal in the LPOP that goes and allows the oil to bleed down..

otherwise - if you have oil in the valley of the engine or a HUGE oil leak... then its likely the HPOP o-rings

OneBadBia

12-30-2007 07:35 PM

Quote:

Originally Posted by SEA04DMAX (Post 93661)

inside the HPOP res there is a ball and seat that prevents bleedback...i bet you have issues there.

I'm gonna agree with SEA04DMAX, I have seen several trucks with that problem. How fast does it bleed down?

Deputydog

12-31-2007 10:19 AM

Quote:

Originally Posted by SEA04DMAX (Post 93661)

inside the HPOP res there is a ball and seat that prevents bleedback...i bet you have issues there.

Thats what I think as well.. Otherwise it should hold oil

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