01 7.3 hpop leak from rear? - Ford Powerstroke Diesel Forum
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Old 01-29-2014, 06:05 AM
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Exclamation 01 7.3 hpop leak from rear?

Morning peeps, started noticing an oil puddle under truck..was told was rear main...replaced it..the, found leak continued. .found oil drip from rear of hpop. Not leaking from lines..cant tell if leaking from oring on rear.i can see drip from under the back of the pump. .looks like the rear has a snap ring? Not sure what its called..but that looks all wet..can that leak also? Or where would it leak to make it look like that? ? Any help/ suggestions would be appreciated. .thanks!
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Old 01-29-2014, 12:04 PM
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How does the valley look? Oil in it or dry? I ask because there's a weep hole toward the back of the engine and if there's oil in the valley, it could be going through the drip hole and down the back of the engine.
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Old 01-29-2014, 12:12 PM
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Is there oil in the snap ring area or just from the bottom of the pump? If on bottom its one of 2 things. The non serviceable plug (which is serviceable on a bench) or the gasket where the pump bolts to. I have also seen the screen oring gasket fail which is the housing that mounts just above the hpop. Good luck


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Old 01-29-2014, 12:26 PM
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5 bucks its the stupid end plug!

mine was leaking i figured it was the gasket, turns out the end plug came loose and it needed a new o-ring.

7 dollar o-ring kit and it was fixed.
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Old 01-29-2014, 05:47 PM
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ok, just got home from work..the valley is wet, plus it doesnt help my drive way is in an incline, but nevertheless wether its inclined or on level ground the valley is wet and constant dripping unless she isnt running. its at the point i have to put in about a gal of oil every other day. The rear of the pump where the snap ring is is wet on the bottom lip, looks like a possible drip from rear plug..unforntunately i cant or dont know how to attach a pic...is that snap ring replaceable or is there a gasket behind it??
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Old 01-29-2014, 06:01 PM
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Quote:
Originally Posted by blue99stroker View Post
5 bucks its the stupid end plug!

mine was leaking i figured it was the gasket, turns out the end plug came loose and it needed a new o-ring.

7 dollar o-ring kit and it was fixed.
By the way Im still new to Diesels, and still trying figure out all the acronyms..lol..but which is the end plug on the pump?
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Old 01-29-2014, 06:21 PM
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mine was leaking the same way!
go outside and tighten the plug to see if its loose, mine was. and the oring needed changing as well.

go to dieselorings and look at their schematic on rebuilding the hpop.
check the end plug, not the non serviceable plug.
the end plug is easy to reach with a ratchet.

the plug is to the right and above the back plate with the snap ring.

the back plate with the snap ring apparently doesn't leak very often.
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  #8  
Old 01-30-2014, 07:01 PM
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Thanks so much about teling me to check the end plug..it was slightly loose..tightened it up and no leak! ! Greatly appreciated. .never thought something so small could make such a big mess!
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