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Old 06-28-2013, 07:29 PM
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Huge Oil Leak

I have a 1995 F-350 7.3L Turbo. A few days ago, huge amounts of oil began cascading down the back of the engine block while it was running. No matter what position I contort my body into I can't see exactly where the oil is coming from but I am not exaggerating when I say it is about a quart every 60 seconds or so just pouring down the back of the engine block and onto the ground. It appears to be coming from very far up on the engine like maybe the back of the right cylinder head? Can anyone make an educated guess as to exactly what has happened?
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Old 06-28-2013, 08:18 PM
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There is a good chance it's the HPOP line.
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Old 06-29-2013, 09:47 AM
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Quote:
Originally Posted by JSchuricht View Post
There is a good chance it's the HPOP line.
How difficult is that to change? I can't even lay eyes on it so I'm not sure exactly where or how it attaches. Does it thread into the back of the cylinder head? I have tried to see it from the top but there is very little room between the back of the cylinder head and the firewall and even with my head pressed up against the bottom of the open hood I can't get my head far enough back in the engine compartment to see it. Should I remove the hood? I have tried to see it from the bottom as well but there is too much in the way.
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Old 06-29-2013, 10:10 AM
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It could be an HPOP line or one of the O-rings that seal them to either the pump or the heads. The oil will flood the valley and then run down the passenger side rear. Also, there are big o-ringed plugs to seal the High Pressure Oil Rails on each end of each head (so 4 per motor), They are about 2" in diameter with a 1/2" square-drive recess. Those are also prone to leaking. You can usually see the rear from under the truck with a good flashlight (may have to remove the downpipe at the turbo to move it out of the way). Cheers!
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