96 7.3 powerstroke oil leak and won't start - Ford Powerstroke Diesel Forum
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Old 04-08-2014, 02:10 PM
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96 7.3 powerstroke oil leak and won't start

I need help. I have a 1996 7.3 power stroke while driving down the road it quit just like turning the key off. I coasted to a stop tried to restart it. it would crank but wouldn't start. upon closer inspection I noticed a puddle of oil underneath passenger side. it ran down the back of the block and down the bell housing. just guessing about a gal. on the ground. in the engine compartment oil splatters on firewall and inside of hood at back of engine. the truck made no significant noises or rattles when it quit nor any noise when cranking over. I don't think engine is hurt I think it has blown a high pressure oil line or something. and possibly a pressure switch somewhere is not working because of the oil pressure line or something being blown. just my theory. if anyone has ideas about what my problem could be please help! I am not that knowledgable on the power stroke but am mechanicly inclinded. in other words not sure where all the hi pressure oil lines are or lines going to turbo or the hpop. thank you
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Old 04-08-2014, 02:28 PM
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If its alot of oil, you probably blew a HPO line.

There are 2 of them. They go from the HPOP (in front of fuel bowl) to the left and right heads. They resemble hydraulic lines.
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Old 04-08-2014, 02:32 PM
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I didn't notice that much oil in the valley. where do the hpo lines connect to the heads at the back?
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Old 04-08-2014, 02:33 PM
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and yes it was a lot of oil
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Old 04-08-2014, 03:59 PM
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found the problem the back came out of the high pressure oil pump. it looks like a little piston with a o ring on it. any help telling me what holds this in the pump?
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Old 04-09-2014, 04:25 PM
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Its held in by a snap ring. But the back cover of the HPOP blew off, its time for a new one.
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