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Old 12-08-2007, 02:57 PM
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hpop issues??

OK I just got finished reinstalling a 7.3 i rebuilt. for my 97' f250 powerstroke (new block, new rings, new pistons, all gaskets) it cranks over perfectly and would even fire with a short shot of ether (i know, I know) there is plenty of fuel in the bowl and fuel comes out of the little valve on the drivers side near the FPR when I push the core in. I pulled my oil line going to the passenger side head and there was no oil in the line, the HPOP res is full and the dip stick reads full. I put a new CPS in and the Tach didnt move before and it still doesnt move. the speedo needle bounces up and down though (slightly) another thing is that it doesnt register any oil pressure at the guage.

oh and one more thing... when I took the old motor ouot the hpop has a rod sticking out of the back with some sort of armature looking thing, well I found the sheetmetal nut and bushing thingy in the valey beneath it. what is this and is there a picture that someone could provide to show me how it is assembled.

Last edited by Pro-Fab; 12-08-2007 at 03:05 PM.
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Old 12-08-2007, 03:09 PM
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You are describing the ICP solenoid, place solenoid on rod with connector facing rear of engine, install large side of bushing toward solenoid, install nut.

PS. if the solenoid, etc has come off, you won't build up HPOP pressure
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Old 12-08-2007, 03:36 PM
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You may want to remove the plug on the oil gallery at the top front of the head to see how much oil is in it. It takes a number of cranks for the gallery to refill with oil. You can help it by filling the gallery with an oil can.
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Old 12-08-2007, 06:59 PM
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It will take a long time and alot of cranking to get the oil to the injectors and all the air purged from the lines.
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Old 12-08-2007, 08:13 PM
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Quote:
Originally Posted by fordnut85 View Post
It will take a long time and alot of cranking to get the oil to the injectors and all the air purged from the lines.
It doesn't hurt to re-charge the batteries before you try to start 'er up
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Old 12-08-2007, 08:25 PM
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Quote:
Originally Posted by fordnut85 View Post
It will take a long time and alot of cranking to get the oil to the injectors and all the air purged from the lines.
And by a "long time", he means a "oh $hit, I did something wrong" long time. And as stated above, a constant charge or recharge of the batteries is always a great idea.
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Old 12-08-2007, 10:53 PM
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how about this..... The truck ran before th rebuild with that solenoid barely on the rod by a hair and the nut and bushing were off. and I have cranked the motor over and have killed the battery twice off of fresh recharges (brand new batteries). Trying different things of course. Is this ICP my problem you think???
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Old 12-09-2007, 08:26 AM
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If the ICP is not functional, the high pressure oil will never make 500psi that the sensor on the right head needs to see. The sensor gives a signal to the PCM to fire up the IDM.
The IDM is what makes the amps needed for the injectors to operate.
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Old 12-09-2007, 05:58 PM
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how about the IPR (thats what I meant to say) sorry I am new to this deisel stuff. there is no doubt in my mind how ever that if it had an injector pump instead of these hpop powered injectors then it would have been running already... I really appreciate all of your help people. thank you
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Old 12-09-2007, 07:12 PM
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?

can i put a 99 hpop on a 97
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